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Exploring the properties of the pure spinor b ghost

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✡✡✡ ✪✪

✪ ✱✱

✱✱ ✑✑✑ ✟✟ ❡

❡ ❡ ❅

❧ ❧ ◗

◗◗ ❍ ❍P P P ❳❳ ❳ ❤❤ ❤ ❤

✭ ✭ ✭

✭✏✟✏

IFT

Instituto de F´ısica Te´orica Universidade Estadual Paulista

TESE DE DOUTORAMENTO IFT–T.006/14

Exploring the properties of the pure spinor b ghost

Renann Lipinski Jusinskas

Orientador

Prof. Dr. Nathan Jacob Berkovits

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❆❣r❛❞❡❝✐♠❡♥t♦s

❊s❝r❡✈❡r ❛❣r❛❞❡❝✐❡♠❡♥t♦s ♣♦❞❡ s❡r ✉♠ ♣♦✉❝♦ ✐♥❥✉st♦✱ ❥á q✉❡ sã♦ t❛♥t❛s ❛s ♣❡ss♦❛s ❝♦♠ q✉❡♠ ❝♦♥✈✐✈✐ ❛♦ ❧♦♥❣♦ ❞♦ ♠❡✉ ❞♦✉t♦r❛❞♦ ❡ q✉❡✱ ❞❡ ✉♠❛ ❢♦r♠❛ ♦✉ ❞❡ ♦✉tr❛✱ ❛❝❛❜❛r❛♠ ♣♦r ♠❡ t♦r♥❛r ✉♠❛ ♣❡ss♦❛ ♠❡❧❤♦r✱ ♣❡ss♦❛❧ ❡ ♣r♦✜ss✐♦♥❛❧♠❡♥t❡✳ ❱♦✉ t❡♥t❛r✱ ♠❛s ❡s♣❡r♦ q✉❡ ♦♠✐ssõ❡s s❡❥❛♠ s✐♥❝❡r❛♠❡♥t❡ ♣❡r❞♦❛❞❛s✳

❆❣r❛❞❡ç♦ ❡♠ ♣r✐♠❡✐r♦ ❧✉❣❛r à♠✐♥❤❛ ❢❛♠í❧✐❛✳ ➱ ❞✐❢í❝✐❧ ❞❡✐①❛r ❝❧❛r♦ ♦ q✉❛♥t♦ ✈♦❝ês ❢♦r❛♠ ✐♠♣♦rt❛♥t❡s✱ ❡♥tã♦ ❞❡❝✐❞✐ r❡♣❡t✐r ❛❧❣✉♠❛s ❞❛s ♠✐♥❤❛s ♣❛❧❛✈r❛s ❛♥t❡r✐♦r❡s✳ ➚ ♠✐♥❤❛ ♠ã❡✱ ■♥ês✱ s❡♠♣r❡ tã♦ ❛t❡♥❝✐♦s❛ ❡ ❝❛r✐♥❤♦s❛✱ ❡ q✉❡✱ ♠❡s♠♦ ♥♦s ♠♦♠❡♥t♦s ♠❛✐s ❞✐❢í❝❡✐s✱ s♦✉❜❡ ♠❡ ♦✉✈✐r ❡ ❝♦♥❢♦rt❛r ❝♦♠ s❡✉ ❛♠♦r✳ ❆♦ ♠❡✉ ♣❛✐✱ ▲✉✐③✱ q✉❡ às✉❛ ♠❛♥❡✐r❛ ♠❡ ❛❝♦♥s❡❧❤♦✉ ❡ ♠❡ ❛❥✉❞♦✉ ❛ ❡♥t❡♥❞❡r ✉♠ ♣♦✉❝♦ ♠❡❧❤♦r ♦s ❝❛♠✐♥❤♦s q✉❡ ❡s❝♦❧❤✐ s❡❣✉✐r✳ ➚ ♠✐♥❤❛ ✐r♠ã✱ ❋r❛♥❝✐♥❡✱ q✉❡✱ ❥✉♥t♦ ❛♦s ♠❡✉s ♣❛✐s✱ s❡♠♣r❡ ♠❡ ❛♣♦✐♦✉ ❡♠ t♦❞❛s ❛s ❞❡❝✐sõ❡s ❡ ♠❡ ❛❥✉❞♦✉ ❛ ✈❡r ♦ ♠✉♥❞♦ ❝♦♠♦ ❡✉ ♦ ✈❡❥♦ ❤♦❥❡ ❡ ❡♥t❡♥❞❡r ✉♠ ♣♦✉❝♦ ♠❛✐s ❛s ♣❡ss♦❛s✳

❆❣r❛❞❡ç♦ ❛♦s ♠❡✉ ❛♠✐❣♦s ❞♦ ❈❋❚✱ ▲❡❛♥❞r♦✱ P❛✉❧❛ ❡ P❡❞r♦✳ ❆❧❣✉♠❛s ❡s❝♦❧❤❛s ❛❝❛❜❛r❛♠ ♣♦r ♥♦s ❛❢❛st❛r✱ ♠❛s ♥ã♦ ♣♦r ✐ss♦ ❞❡✐①❡✐ ❞❡ ❧❡♠❜r❛r ♦s ❜♦♥s ♠♦♠❡♥t♦s q✉❡ ♣❛ss❛♠♦s ❥✉♥✲ t♦s✳ ❚❡♥❤♦ ❝❡rt❡③❛ q✉❡ ♥♦ss♦s ❝❛♠✐♥❤♦s ✈ã♦ s❡ ❝r✉③❛r ❞❡ ♥♦✈♦✳

❆❣r❛❞❡ç♦ ❛♦s ♠❡✉s ❛♠✐❣♦s ❞♦ ■❋❚✳ ❆♣❡s❛r ❞❛ ♠✐♥❤❛ r❡❧✉tâ♥❝✐❛ ✐♥✐❝✐❛❧ ❡♠ ❛❝❡✐t❛r ♠❡✉ ♥♦✈♦ ✐♥st✐t✉t♦✱ ♠❛✐s t❛r❞❡ ♣❡r❝❡❜✐ q✉❡ sã♦ ✈♦❝ês q✉❡ ❞❡✐①❛r❛♠ t✉❞♦ ♠❛✐s ❛❝❡✐tá✈❡❧ ❡ ♠❡ ♣r♦♣♦r❝✐♦♥❛r❛♠ ✉♠ ❛♠❜✐❡♥t❡ ✈❡r❞❛❞❡✐r❛♠❡♥t❡ ❡♥r✐q✉❡❝❡❞♦r✳ ❊♠ ❡s♣❡❝✐❛❧✱ ❛❣r❛❞❡ç♦ ❛♦ ●✉✐❧❤❡r♠❡✱ ▼❛r✐❛✱ ❋át✐♠❛✱ ❚❤❛❧❡s✱ Pr✐❡s❧❡✐✱ ▲✉❛♥ ❡ ❚❤✐❛❣♦✳ ❊s♣❡r♦ q✉❡ ♥♦ss❛ ❛♠✐③❛❞❡ ♣❡r♠❛♥❡ç❛ ♠❡s♠♦ ❝♦♠ ♦s ❝❛♠✐♥❤♦s t♦rt✉♦s♦s ❞❛ ♥♦ss❛ ♣r♦✜ssã♦✳

❆❣r❛❞❡ç♦ ❛♦ ♠❡✉ ♦r✐❡♥t❛❞♦r✱ ◆❛t❤❛♥ ❇❡r❦♦✈✐ts✱ ♣♦r t♦❞❛ ❛ ❛t❡♥çã♦ ❡ ♣❛❝✐ê♥❝✐❛✳ P♦r ❝♦♥st❛♥t❡♠❡♥t❡ ♠❡ ♠♦str❛r q✉❡ ❛ ✐♥t✉✐çã♦ ❢ís✐❝❛ é ❛ ❢❡rr❛♠❡♥t❛ ♠❛✐s ♣♦❞❡r♦s❛ ♥❛ ♣❡sq✉✐s❛✳ P♦r ♠❡ ♦r✐❡♥t❛r ❝♦♠ s❡✉ ❥❡✐t♦ ♣❛rt✐❝✉❧❛r ❡♠ t♦❞♦s ♦s ♠♦♠❡♥t♦s ❡♠ q✉❡ ✜q✉❡✐ s❡♠ r✉♠♦✱ ♠❡s♠♦ s❡♠ ❡✉ ♠❡s♠♦ s❛❜❡r ❞✐ss♦✳ ◗✉❛♥t♦ ♠❛✐s ♣❡♥s♦ s♦❜r❡ ♦ ❛ss✉♥t♦✱ ♠❡❧❤♦r ❡✉ ✈❡❥♦ s✉❛ ✐♥✢✉ê♥❝✐❛ ♥❛ ♠✐♥❤❛ ❢♦r♠❛çã♦ ❡ só t❡♥❤♦ ❛ ❛❣r❛❞❡❝❡r ♣♦r t♦❞❛s ❛s ❧✐çõ❡s ❡ ♦♣♦rt✉♥✐❞❛❞❡s

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✐✐✐

q✉❡ s✉r❣✐r❛♠ ❞❛ ♥♦ss❛ ❝♦♥✈✐✈ê♥❝✐❛✳

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❘❡s✉♠♦

❊st❛ t❡s❡ é ❜❛s❡❛❞❛ ❡♠ ♣❛rt❡ ❞♦ ♠❡✉ tr❛❜❛❧❤♦ ❞❡ ❞♦✉t♦r❛♠❡♥t♦ ❡ t❡♠ ❝♦♠♦ ♦❜❥❡t✐✈♦ ❛♣r❡s❡♥t❛r ✉♠❛ ❛♥á❧✐s❡ ❞❡t❛❧❤❛❞❛ ❞❡ ❛❧❣✉♠❛s ♣r♦♣r✐❡❞❛❞❡s r❡❝é♠ ❛❜♦r❞❛❞❛s ❞♦ ❢❛♥t❛s♠❛

b ❝♦♠♣♦st♦ ♥♦ ❢♦r♠❛❧✐s♠♦ ❞❡ ❡s♣✐♥♦r❡s ♣✉r♦s✳ Pr✐♠❡✐r❛♠❡♥t❡ s❡rá ❢❡✐t❛ ✉♠❛ r❡✈✐sã♦

❞♦s ❢♦r♠❛❧✐s♠♦s ♠í♥✐♠♦ ❡ ♥ã♦✲♠í♥✐♠♦✳ ❊♠ s❡❣✉✐❞❛✱ s❡rá ❛♣r❡s❡♥t❛❞❛ ❛ ❝♦♥str✉çã♦ ❞♦ ❢❛♥t❛s♠❛ b ♣❛ss♦ ❛ ♣❛ss♦✱ ✐♥❝❧✉✐♥❞♦ ❝♦rr❡çõ❡s q✉â♥t✐❝❛s✳ P♦r ✜♠✱ s❡rã♦ ❡st✉❞❛❞❛s ❡♠

❞❡t❛❧❤❡s s✉❛s ♣r♦♣r✐❡❞❛❞❡s ❢✉♥❞❛♠❡♥t❛✐s✱ q✉❡ ✈ã♦ ❞❡s❞❡ ❛ ♥✐❧♣♦tê♥❝✐❛ ❛té ❛ ❞❡✜♥✐çã♦ ❞❡ ✉♠ ♣♦ssí✈❡❧ ❝♦♥❥✉❣❛❞♦✱ ♦ ❢❛♥t❛s♠❛ c✳

P❛❧❛✈r❛s✲❝❤❛✈❡✿ ❚❡♦r✐❛ ❞❡ s✉♣❡r❝♦r❞❛s❀ ❢♦r♠❛❧✐s♠♦ ❞❡ ❡s♣✐♥♦r❡s ♣✉r♦s❀ ❢❛♥t❛s♠❛ ❜ ❝♦♠♣♦st♦✳

➪r❡❛ ❞♦ ❝♦♥❤❡❝✐♠❡♥t♦✿ P❛rtí❝✉❧❛s ❡❧❡♠❡♥t❛r❡s ❡ ❝❛♠♣♦s✳

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❆❜str❛❝t

❚❤✐s t❤❡s✐s ✐s ❜❛s❡❞ ✐♥ ♣❛rt ♦❢ ♠② ✇♦r❦ ❞✉r✐♥❣ t❤❡ P❤✳❉✳ ❛♥❞ ❛✐♠s t♦ ♣r❡s❡♥t ❛ ❞❡t❛✐❧❡❞ ❛♥❛❧②s✐s ♦❢ s♦♠❡ ♥❡✇❧② st✉❞✐❡❞ ♣r♦♣❡rt✐❡s ♦❢ t❤❡ ❝♦♠♣♦s✐t❡ ♥♦♥✲♠✐♥✐♠❛❧ ♣✉r❡ s♣✐♥♦r b

❣❤♦st✳ ❋✐rst✱ ❛ r❡✈✐❡✇ ♦❢ t❤❡ ♠✐♥✐♠❛❧ ❛♥❞ ♥♦♥✲♠✐♥✐♠❛❧ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠s ✇✐❧❧ ❜❡ ♣r❡s❡♥t❡❞✳ ❚❤❡♥✱ t❤❡ ❝♦♥str✉❝t✐♦♥ ♦❢ t❤❡ ♥♦♥✲♠✐♥✐♠❛❧ b ❣❤♦st ✇✐❧❧ ❜❡ ❞♦♥❡ st❡♣✲❜②✲st❡♣✱

✐♥❝❧✉❞✐♥❣ q✉❛♥t✉♠ ❝♦rr❡❝t✐♦♥s✳ ❋✐♥❛❧❧②✱ s♦♠❡ ♦❢ ✐ts ❢✉♥❞❛♠❡♥t❛❧ ♣r♦♣❡rt✐❡s ✇✐❧❧ ❜❡ st✉❞✐❡❞ ✐♥ ❞❡t❛✐❧✱ r❛♥❣✐♥❣ ❢r♦♠ ♥✐❧♣♦t❡♥❝② ✉♥t✐❧ t❤❡ ❞❡✜♥✐t✐♦♥ ♦❢ ❛ ♣♦ss✐❜❧❡ ❝❛♥♦♥✐❝❛❧ ❝♦♥❥✉❣❛t❡✱ t❤❡ c ❣❤♦st✳

❑❡②✇♦r❞s✿ ❙✉♣❡rstr✐♥❣ t❤❡♦r②❀ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠❀ ❝♦♠♣♦s✐t❡ ❜ ❣❤♦st✳

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❈♦♥t❡♥ts

❆❣r❛❞❡❝✐♠❡♥t♦s ✐✐

❘❡s✉♠♦ ✈

❆❜str❛❝t ✈✐

✶ ■♥tr♦❞✉❝t✐♦♥ ✶

✷ ❘❡✈✐❡✇ ♦❢ t❤❡ P✉r❡ ❙♣✐♥♦r ❋♦r♠❛❧✐s♠ ✹ ✷✳✶ ▼❛tt❡r ✜❡❧❞s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺ ✷✳✷ ●❤♦st ✜❡❧❞s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼ ✷✳✸ P✉r❡ s♣✐♥♦r ❝♦❤♦♠♦❧♦❣② ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵ ✷✳✹ ◆♦♥✲♠✐♥✐♠❛❧ ✈ ❛r✐❛❜❧❡s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✸

✸ ❚❤❡ b ❣❤♦st ✶✼

✸✳✶ ❉❡✜♥✐t✐♦♥ ❛♥❞ ❈♦♥str✉❝t✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✽ ✸✳✷ Pr♦♣❡rt✐❡s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✷ ✸✳✷✳✶ Pr✐♠❛r② ❈♦♥❢♦r♠❛❧ ❋✐❡❧❞ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✷ ✸✳✷✳✷ ◆✐❧♣♦t❡♥❝② ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✹ ✸✳✸ ◆♦♥✲♠✐♥✐♠❛❧ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ ❛s ❛ N = 2 t♦♣♦❧♦❣✐❝❛❧ str✐♥❣ ✳ ✳ ✳ ✳ ✳ ✸✻

✸✳✹ b ❣❤♦st ❝♦❤♦♠♦❧♦❣② ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✼

✸✳✺ ◆♦♥✲✉♥✐q✉❡♥❡ss ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✽ ✸✳✺✳✶ β =S,λ∂θλλ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✵

✸✳✺✳✷ ❚❤❡ ✐♥✈ ❛r✐❛♥❝❡ ♦❢ t❤❡ t♦♣♦❧♦❣✐❝❛❧ str✐♥❣ ❛❧❣❡❜r❛ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✷ ✸✳✻ ❚❤❡ c❣❤♦st ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✺

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✈✐✐✐

✹ ❈♦♥❝❧✉s✐♦♥ ✹✽

❆ ❈♦♥✈❡♥t✐♦♥s ❛♥❞ ✉s❡❢✉❧ ♣r♦♣❡rt✐❡s ✺✵ ❆✳✶ ❈♦♥✈❡♥t✐♦♥s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✵ ❆✳✷ ●❛♠♠❛ ♠❛tr✐❝❡s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✶ ❆✳✸ ❖r❞❡r✐♥❣ ❝♦♥s✐❞❡r❛t✐♦♥s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✷

❇ SO(10) t♦ U(5)✿ s♦❧✈✐♥❣ ❡①♣❧✐❝✐t❧② t❤❡ ❝♦♥str❛✐♥ts ✺✹

❇✳✶ ❙♣✐♥♦r✐❛❧ ♣r♦❥❡❝t♦rs ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✹ ❇✳✷ SO(10) ✈❡❝t♦rs ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✺

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❈❤❛♣t❡r ✶

■♥tr♦❞✉❝t✐♦♥

❚❤❡ s✉♣❡r P♦✐♥❝❛ré ❝♦✈❛r✐❛♥t q✉❛♥t✐③❛t✐♦♥ ♦❢ t❤❡ s✉♣❡rstr✐♥❣ ✇❛s ❛❝❤✐❡✈❡❞ ✐♥ t❤❡ ②❡❛r ✷✵✵✵✱ ✇✐t❤ t❤❡ ❞❡✈❡❧♦♣♠❡♥t ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ ❬✶❪✳■t ❝❛♥ ❜❡ ❞❡s❝r✐❜❡❞ ❛s ❛♥ ❛❞ ❤♦❝ ❛♣♣r♦❛❝❤ t♦ t❤❡ q✉❛♥t✐③❛t✐♦♥ ♦❢ t❤❡ str✐♥❣✱ ✐♥ t❤❡ s❡♥s❡ t❤❛t t❤❡ ❣❛✉❣❡ ✜①✐♥❣ ♣r♦❝❡✲ ❞✉r❡ t❤❛t ♣r♦✈✐❞❡s t❤❡ ❇❘❙❚✲❧✐❦❡ ❛♣♣r♦❛❝❤ ❤❛s ♥♦t ②❡t ❜❡❡♥ ❞✐s❝♦✈❡r❡❞✳❆❧❧♦✇✐♥❣ ❡①♣❧✐❝✐t ▲♦r❡♥t③ ❝♦✈❛r✐❛♥t ❝♦♠♣✉t❛t✐♦♥s ✐♥ t❤❡ ❡❧❡❣❛♥t ❧❛♥❣✉❛❣❡ ♦❢ D = 10 s✉♣❡r✜❡❧❞s✱ t❤❡ ❢♦r✲

♠❛❧✐s♠ ❣❛t❤❡rs t♦❣❡t❤❡r t❤❡ ❛❞✈❛♥t❛❣❡s ♦❢ t❤❡ ♦t❤❡r tr❛❞✐t✐♦♥❛❧ s✉♣❡rstr✐♥❣ ❞❡s❝r✐♣t✐♦♥s ✭❘◆❙ ❛♥❞ ●r❡❡♥✲❙❝❤✇❛r③✮ ✇✐t❤♦✉t ♠♦st ♦❢ t❤❡✐r r❡str✐❝t✐♦♥s✳❚❤❡ ●r❡❡♥✲❙❝❤✇❛r③ ❢♦r♠✉✲ ❧❛t✐♦♥ ❬✷❪ ❝❛♥♥♦t ❜❡ q✉❛♥t✐③❡❞ ✐♥ ❛ ▲♦r❡♥t③ ❝♦✈❛r✐❛♥t ♠❛♥♥❡r✱ ♦♥❧② ✐♥ t❤❡ ✭s❡♠✐✮ ❧✐❣❤t ❝♦♥❡ ❣❛✉❣❡✱ ❛♥❞ t❤❡ ✐♥tr♦❞✉❝t✐♦♥ ♦❢ t❤❡ ✐♥t❡r❛❝t✐♦♥✲♣♦✐♥t ♦♣❡r❛t♦rs ♠❛❦❡s ❤❛r❞ ❡✈❡♥ t❤❡ ❝♦♥str✉❝t✐♦♥ ♦❢ ✈❡rt❡① ♦♣❡r❛t♦rs✳❆s ❢♦r t❤❡ ❘❛♠♦♥❞✲◆❡✈❡✉✲❙❝❤✇❛r③ ✭❘◆❙✮ str✐♥❣ ❬✸✱ ✹❪✱ ❛♠♣❧✐t✉❞❡ ❝♦♠♣✉t❛t✐♦♥s r❡q✉✐r❡ t❤❡ s✉♠ ♦✈❡r s♣✐♥ str✉❝t✉r❡s ✭✐♠♣❧✐❡❞ ❜② ✇♦r❧❞✲s❤❡❡t s✉✲ ♣❡rs②♠♠❡tr② ❛♥❞ r❡❧❛t❡❞ t♦ ●❙❖ ♣r♦❥❡❝t✐♦♥✮✱ ✐♥t❡❣r❛t✐♦♥ ♦✈❡r s✉♣❡r ♠♦❞✉❧✐ s♣❛❝❡ ❛♥❞ t❤❡ ✐♥tr♦❞✉❝t✐♦♥ ♦❢ ♣✐❝t✉r❡✲❝❤❛♥❣✐♥❣ ❛♥❞ s♣✐♥ ♦♣❡r❛t♦rs ❬✺❪✱ ❧❛❝❦✐♥❣ ❡①♣❧✐❝✐t s♣❛❝❡✲t✐♠❡ s✉♣❡rs②♠♠❡tr② ✭t❤❡ ❛❧❣❡❜r❛ ❝❧♦s❡s ✉♣ t♦ ❛ ♣✐❝t✉r❡ ❝❤❛♥❣✐♥❣ ♦♣❡r❛t✐♦♥✮ ❛♥❞ ♠❛❦✐♥❣ t❤❡ ❘❛♠♦♥❞ s❡❝t♦r ❤❛r❞ t♦ ❞❡❛❧ ✇✐t❤✳❆♥♦t❤❡r ❛❞✈❛♥t❛❣❡ ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ ✐s t❤❡ ♣♦ss✐❜✐❧✐t② ♦❢ ❞❡❛❧✐♥❣ ✇✐t❤ ❝✉r✈❡❞ ❜❛❝❦❣r♦✉♥❞s t❤❛t ❤❛✈❡ ❘❛♠♦♥❞✲❘❛♠♦♥❞ ✢✉①✱ ❢❡❛t✉r❡ t❤❛t ✐s ♠♦st ✇❡❧❝♦♠❡ ❝♦♥❝❡r♥✐♥❣ t❤❡ ❧❛t❡st ❞❡✈❡❧♦♣♠❡♥ts ♦❢ t❤❡ ❆❞❙✴❈❋❚ ❝♦rr❡s♣♦♥❞❡♥❝❡✳ ❉❡s♣✐t❡ ❛❧❧ t❤❡ ❣♦♦❞ ❢❡❛t✉r❡s ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❛♣♣r♦❛❝❤✱ ✐ts ✇♦r❧❞✲s❤❡❡t ♦r✐❣✐♥ ✐s st✐❧❧ ✉♥❦♥♦✇♥✱ ❛s r❡♣❛r❛♠❡tr✐③❛t✐♦♥ s②♠♠❡tr② ✐s ❤✐❞❞❡♥✳■t ✐s ❛ ✇❡❧❧ ❦♥♦✇♥ ❢❛❝t t❤❛t ✐♥ ❣❛✉❣❡ ✜①✐♥❣ s✉❝❤ s②♠♠❡tr②✱ ❛ (b, c)s②st❡♠ r✐s❡s ❛s t❤❡ ❣❤♦st✲❛♥t✐❣❤♦st ♣❛✐r✳❚❤❡ c❣❤♦st

✐s ❛ ❝♦♥❢♦r♠❛❧ ✇❡✐❣❤t −1 ✜❡❧❞✱ ❛s ✐t ❝♦♠❡s ❢r♦♠ t❤❡ ❣❡♥❡r❛❧ ❝♦♦r❞✐♥❛t❡ tr❛♥s❢♦r♠❛t✐♦♥

♣❛r❛♠❡t❡r✱ ❛♥❞ t❤❡b❣❤♦st✱ t❤❡ ❝♦♥❥✉❣❛t❡ ♦❢c✱ ✐s ❛ ❝♦♥❢♦r♠❛❧ ✇❡✐❣❤t+2✜❡❧❞✳❈♦♥❝❡r♥✐♥❣

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❛♠♣❧✐t✉❞❡s✱ t❤❡ ❢✉♥❞❛♠❡♥t❛❧ ♦❜❥❡❝ts ♦❢ st✉❞② ✐♥ q✉❛♥t✉♠ str✐♥❣s✱ t❤❡ c❣❤♦st ❛♣♣❡❛rs ❛t

tr❡❡ ❛♥❞ 1✲❧♦♦♣ ❧❡✈❡❧✳ ■♥ t❤❡s❡ ✇♦r❧❞✲s❤❡❡t t♦♣♦❧♦❣✐❡s ✭r❡s♣❡❝t✐✈❡❧②✱ t❤❡ s♣❤❡r❡ ❛♥❞ t❤❡

t♦r✉s✮✱ t❤❡ ❝♦♥❢♦r♠❛❧ ❑✐❧❧✐♥❣ s②♠♠❡tr✐❡s ❝❛♥ ❜❡ r❡♠♦✈❡❞ ❜② ✜①✐♥❣ s♦♠❡ ✈❡rt❡① ♣♦s✐t✐♦♥s✳ ■♥ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠✱ ❣✐✈❡♥ t❤❡ ❛♠♣❧✐t✉❞❡ ♣r❡s❝r✐♣t✐♦♥s ❞❡s❝r✐❜❡❞ ✐♥ ❬✶✱ ✻✱ ✼❪✱ ❛ ♣♦ss✐❜❧❡ c❣❤♦st ♣❧❛②s ♥♦ r♦❧❡ ❛t ❛❧❧✳

❋♦r t❤❡ b ❣❤♦st t❤❡ st♦r② ✐s ❞✐✛❡r❡♥t✳ ■♥ ❛ ❇❘❙❚✲❧✐❦❡ ❞❡s❝r✐♣t✐♦♥✱ b ❣❤♦st ✐♥s❡rt✐♦♥s

❧✐❡ ✐♥ t❤❡ ❤❡❛rt ♦❢ t❤❡ ❇❘❙❚ ✐♥✈❛r✐❛♥❝❡ ♦❢ str✐♥❣ ❧♦♦♣ ❛♠♣❧✐t✉❞❡s✳ ❚❤❡ ❢✉♥❞❛♠❡♥t❛❧ ♣r♦♣❡rt② ✐s {Q, b}=T✱ ✇❤❡r❡ T ✐s t❤❡ ❡♥❡r❣②✲♠♦♠❡♥t✉♠ t❡♥s♦r ✭s✐♥❝❡ t❤❡ ❇❘❙❚ ❝❤❛r❣❡

❤❛s ❣❤♦st ♥✉♠❜❡r +1✱ t❤❡ b ❣❤♦st ♠✉st ❤❛✈❡ ❣❤♦st ♥✉♠❜❡r −1✮✳ ❈♦♠❜✐♥❡❞ ✇✐t❤ t❤❡

❇❡❧tr❛♠✐ ❞✐✛❡r❡♥t✐❛❧s✱ t❤✐s ♣r♦♣❡rt② ✐♥❞✉❝❡s ♦♥❧② ❛ s✉r❢❛❝❡ ❝♦♥tr✐❜✉t✐♦♥ ✐♥ t❤❡ ♠♦❞✉❧✐ s♣❛❝❡ ✐♥t❡❣r❛t✐♦♥✳ ❚❤❡r❡❢♦r❡✱ ✉♥❞❡rst❛♥❞✐♥❣ t❤❡ ♣r♦♣❡rt✐❡s ♦❢ t❤❡ b❣❤♦st ✐s ❛ ❢✉♥❞❛♠❡♥t❛❧

t❛s❦ ✐♥ ♣r♦✈✐❞✐♥❣ ❛ ❜❡tt❡r ✉♥❞❡rst❛♥❞✐♥❣ ♦❢ t❤❡ ❢♦r♠❛❧✐s♠ ❛♥❞ ♣♦t❡♥t✐❛❧ ❞❡✈❡❧♦♣♠❡♥ts✳ ■♥ t❤❡ ♠✐♥✐♠❛❧ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠✱ ✇❤❡r❡ t❤❡ ❛✈❛✐❧❛❜❧❡ ❣❤♦st ✈❛r✐❛❜❧❡s ❛r❡ t❤❡ ♣✉r❡ s♣✐♥♦rλα❛♥❞ ✐ts ❝♦♥❥✉❣❛t❡ω

α✱ t❤❡b❣❤♦st ✐s ❜❛s❡❞ ✉♣♦♥ ❛ ❝♦♠♣❧✐❝❛t❡❞ ❝❤❛✐♥ ♦❢ ♦♣❡r❛t♦rs

❛♥❞ ❝❛♥ ❜❡ ✐♠♣❧❡♠❡♥t❡❞ ♦♥❧② ✐♥ ❛ ♣✐❝t✉r❡ r❛✐s❡❞ ♠❛♥♥❡r ❬✻❪✱ ❛s t❤❡r❡ ❛r❡ ♥♦ s✉✐t❛❜❧❡ ❣❤♦st ♥✉♠❜❡r −1✜❡❧❞s✳

❲✐t❤ t❤❡ ❛❞❞✐t✐♦♥ ♦❢ t❤❡ ❣❤♦st ✜❡❧❞s λα, rα

❛♥❞ t❤❡✐r ❝♦♥❥✉❣❛t❡s (ωα, sα)✱ t❤❡ s♦✲

❝❛❧❧❡❞ ♥♦♥✲♠✐♥✐♠❛❧ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ ❡♥❛❜❧❡s ❛ ♠✉❝❤ s✐♠♣❧❡r ❝♦♥str✉❝t✐♦♥ ♦❢ t❤❡ b

❣❤♦st ❬✼❪✳ ▼♦r❡ t❤❛♥ t❤❛t✱ t❤❡ t❤❡♦r② ❝❛♥ ❜❡ ✐♥t❡r♣r❡t❡❞ ❛s ❛ t✇✐st❡❞ N = 2 ˆc = 3

t♦♣♦❧♦❣✐❝❛❧ str✐♥❣✱ ✇❤❡r❡ t❤❡ ❇❘❙❚ ❝❤❛r❣❡ ❛♥❞ t❤❡ b ❣❤♦st ❛r❡ t❤❡ ❢❡r♠✐♦♥✐❝ ❣❡♥❡r❛t♦rs✱

✇❤✐❧❡ t❤❡ ❣❤♦st ♥✉♠❜❡r ❝✉rr❡♥t ❛♥❞ t❤❡ ❡♥❡r❣②✲♠♦♠❡♥t✉♠ t❡♥s♦r ❛r❡ t❤❡ ❜♦s♦♥✐❝ ♦♥❡s✳ ❚❤✐s ❢❛❝t ❛❧❧♦✇❡❞ t❤❡ ❝♦✈❛r✐❛♥t ❝♦♠♣✉t❛t✐♦♥ ♦❢ ♠✉❧t✐❧♦♦♣ s✉♣❡rstr✐♥❣ ❛♠♣❧✐t✉❞❡s ✇✐t❤♦✉t ♣✐❝t✉r❡ ❝❤❛♥❣✐♥❣ ♦♣❡r❛t♦rs✱ ♠❛❦✐♥❣ t❤❡ s✉♣❡r P♦✐♥❝❛ré s②♠♠❡tr② ❡①♣❧✐❝✐t ✐♥ ❛❧❧ t❤❡ st❡♣s✳ ❍♦✇❡✈❡r✱ t❤❡ ❣❡♥❡r❛❧ ♣r♦♣❡rt✐❡s ♦❢b❛r❡ ♥♦♥✲tr✐✈✐❛❧✱ ❛s ✐t ✐s ❛❧s♦ ♥♦♥✲tr✐✈✐❛❧❧② ❝♦♠♣♦s❡❞✳

■ts r✐❝❤ str✉❝t✉r❡ ❤❛s ❜❡❡♥ ❡①♣❧♦r❡❞ ♦✈❡r t❤❡ ②❡❛rs ❬✽✱ ✾✱ ✶✵✱ ✶✶✱ ✶✷✱ ✶✸❪✱ ❜✉t ✐t ✐s ♥♦t ②❡t ❝♦♠♣❧❡t❡❧② ✉♥❞❡rst♦♦❞✳

❚❤✐s t❤❡s✐s ✇✐❧❧ ♣r❡s❡♥t s❡✈❡r❛❧ ♦❢ t❤❡s❡ ♣r♦♣❡rt✐❡s ✐♥ ❞❡t❛✐❧ ❛♥❞ ✐t ✇✐❧❧ ❜❡ ♦r❣❛♥✐③❡❞ ❛s ❢♦❧❧♦✇s✳ ❈❤❛♣t❡r ✷ r❡✈✐❡✇s t❤❡ ❜❛s✐❝ ❝♦♥❝❡♣ts ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠✱ ✐♥tr♦❞✉❝✐♥❣ t❤❡ ♣✉r❡ s♣✐♥♦r ❣❤♦sts ❛♥❞ s♦♠❡ ♦❢ t❤❡✐r ♣r♦♣❡rt✐❡s✱ ❛♥❞ ♣r❡♣❛r✐♥❣ t❤❡ ❣r♦✉♥❞ ❢♦r t❤❡ s✉❜s❡q✉❡♥t st✉❞② ♦♥ t❤❡ b ❣❤♦st✳ ❈❤❛♣t❡r ✸ ✇✐❧❧ st❛rt ✇✐t❤ t❤❡ ❝❧❛ss✐❝❛❧ ❞❡✜♥✐t✐♦♥ ♦❢ t❤❡ b ❣❤♦st✱ ✐♥t✉✐t✐✈❡❧② ♣r❡s❡♥t✐♥❣ ✐ts str✉❝t✉r❡✳ ❚❤❡♥✱ t❤❡ q✉❛♥t✉♠ ❞❡✜♥✐t✐♦♥ ✇✐❧❧ ❜❡ ❞❡❛❧t

(12)

✐♥❝❧✉❞✐♥❣✿ ♣r✐♠❛r② ✜❡❧❞ ❝♦♥❞✐t✐♦♥ ✭✇❤✐❝❤ ✐s ❝❧❡❛r❧② r❡❧❛t❡❞ t♦ t❤❡ ♦r❞❡r✐♥❣ ♣r❡s❝r✐♣t✐♦♥✮❀ ❝♦❤♦♠♦❧♦❣② ✭❛♥ ❡①❝❧✉s✐♦♥ ❝r✐t❡r✐♦♥ ✇✐❧❧ ❜❡ ❡st❛❜❧✐s❤❡❞ ❢♦r t❤❡ ♥♦♥✲tr✐✈✐❛❧ ❝♦❤♦♠♦❧♦❣② ♦❢ b✮❀

t❤❡ t♦♣♦❧♦❣✐❝❛❧ str✐♥❣ ♣❡rs♣❡❝t✐✈❡❀ ♥♦♥✲✉♥✐q✉❡♥❡ss ✭s♦♠❡ ❞❡❢♦r♠❛t✐♦♥s ♦♥ t❤❡ ❞❡✜♥✐t✐♦♥ ♦❢ t❤❡ ❝✉rr❡♥ts ✇✐❧❧ ❜❡ ❛♥❛❧②③❡❞ ❛♥❞ ❝♦♥str❛✐♥❡❞ ✐♥ ♦r❞❡r t♦ ♥♦t s♣♦✐❧ t❤❡ t♦♣♦❧♦❣✐❝❛❧ str✐♥❣ ❛❧❣❡❜r❛✮❀ ❛♥❞ ❛ ❝❛♥❞✐❞❛t❡ ❢♦r t❤❡c❣❤♦st ✭t❤❡ ❢♦r♠❛❧✐s♠ ❞♦❡s ♥♦t ❤❛✈❡ ❛ ♥❛t✉r❛❧ ❝♦♥❢♦r♠❛❧

✇❡✐❣❤t −1 ✜❡❧❞ t♦ ❛❝t ❛s t❤❡ ❝♦♥❥✉❣❛t❡ ♦❢ b ❛♥❞ ✐ts ❡①✐st❡♥❝❡ ✐s ✐♥tr✐❣✉✐♥❣✱ r❡q✉✐r✐♥❣

(13)

❈❤❛♣t❡r ✷

❘❡✈✐❡✇ ♦❢ t❤❡ P✉r❡ ❙♣✐♥♦r ❋♦r♠❛❧✐s♠

❚❤❡ ❣♦❛❧ ♦❢ t❤✐s ❝❤❛♣t❡r ✐s t♦ ♣r❡s❡♥t t❤❡ ✜❡❧❞ ❝♦♥t❡♥t ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ ❛♥❞ s♦♠❡ ♦❢ ✐ts ❢✉♥❞❛♠❡♥t❛❧ str✉❝t✉r❡s✱ ✐♥tr♦❞✉❝✐♥❣ t❤❡ ❜❛s✐❝ t♦♦❧s t❤❛t ✇✐❧❧ ❜❡ ♥❡❡❞❡❞ ❢♦r t❤❡ ❝♦♥str✉❝t✐♦♥ ♦❢ t❤❡ b ❣❤♦st✳

❚♦ ♠♦t✐✈❛t❡ t❤❡ ♣✉r❡ s♣✐♥♦r ❝♦♥str✉❝t✐♦♥✱ ✐t ♠✐❣❤t ❜❡ ✉s❡❢✉❧ t♦ ❡①♣❧❛✐♥ t❤❛t ❙✐❡❣❡❧✬s ♣r♦♣♦s❛❧ ❬✶✹❪ ❢♦r t❤❡ ❝♦✈❛r✐❛♥t q✉❛♥t✐③❛t✐♦♥ ♦❢ t❤❡ s✉♣❡rstr✐♥❣ ✇❛s t♦ r❡♣❧❛❝❡ t❤❡ ❢❡r♠✐♦♥✐❝ ❝♦♥str❛✐♥ts ♦❢ t❤❡ ●r❡❡♥✲❙❝❤✇❛r③ ❢♦r♠❛❧✐s♠✱ t❤❛t ✐♥❝❧✉❞❡s ❜♦t❤ ✜rst ❛♥❞ s❡❝♦♥❞ ❝❧❛ss ♦♥❡s✱ ❜② ❛♥♦t❤❡r s❡t ♦❢ ❝♦♥str❛✐♥ts ✇❤❡r❡ t❤❡ ❢✉♥❞❛♠❡♥t❛❧ ♣✐❡❝❡ ✐s

dα ≡ pα−

1 2∂X

m(θγ m)α

1 8(θγ

m∂θ) (θγ m)α

= 0.

❍❡r❡✱ Xm ✐s t❤❡ ✉s✉❛❧ ❜♦s♦♥✐❝ ✇♦r❧❞s❤❡❡t s❝❛❧❛r✱ ✇✐t❤ m= 0, . . . ,9 t❤❡ s♣❛❝❡t✐♠❡ ✈❡❝t♦r

✐♥❞❡①✱ ❛♥❞ (θα, p

α) ✐s t❤❡ ❢❡r♠✐♦♥✐❝ ❝♦♥❥✉❣❛t❡ ♣❛✐r✱ ✇✐t❤ α = 1, . . . ,16 t❤❡ s♣❛❝❡t✐♠❡

✭❝❤✐r❛❧✮ s♣✐♥♦r ✐♥❞❡①✳ ◆♦t❡ t❤❛t dα ✐s t❤❡ ❣❡♥❡r❛t♦r ♦❢ t❤❡ s✉♣❡rs②♠♠❡tr✐❝ ❞❡r✐✈❛t✐✈❡✳

❆❧t❤♦✉❣❤ t❤✐s ❛♣♣r♦❛❝❤ s✉❝❝❡❡❞❡❞ ❢♦r t❤❡ s✉♣❡r♣❛rt✐❝❧❡ ❬✶✺❪✱ ❛ s✉✐t❛❜❧❡ s❡t ♦❢ ✜rst ❝❧❛ss ❝♦♥str❛✐♥ts ✇❛s ♥❡✈❡r ❢♦✉♥❞ ❢♦r t❤❡ s✉♣❡rstr✐♥❣✳ ❍♦✇❡✈❡r ✐♥❝♦♠♣❧❡t❡✱ ✐t ❛❧s♦ ❧❡❞ ❙✐❡❣❡❧ t♦ ❝♦♥❥❡❝t✉r❡ t❤❡ ✐♥t❡❣r❛t❡❞ ♠❛ss❧❡ss ✈❡rt❡① t♦ ❜❡

V❙✐❡❣❡❧ = 1 2πi

˛

{ΠmAm+∂θαAα+dαWα},

✇❤❡r❡ Am✱ Aα ❛♥❞ Wα ❛r❡ t❤❡ ✉s✉❛❧ s✉♣❡r✲❨❛♥❣✲▼✐❧❧s ✜❡❧❞s ✭♠♦r❡ ❞❡t❛✐❧s ❜❡❧♦✇✮✳

(14)

❆s ✇✐❧❧ ❜❡ ♣r❡s❡♥t❡❞ ✐♥ t❤❡ ♥❡①t s❡❝t✐♦♥s✱ t❤❡ ♣✉r❡ s♣✐♥♦r ❇❘❙❚✲❝❤❛r❣❡ ❤❛s ❛ s✐♠♣❧❡ ❢♦r♠✱ ✇❤❡r❡ t❤❡ s✉♣❡rs②♠♠❡tr✐❝ ♦♣❡r❛t♦r dα ❛♣♣❡❛rs ♠✉❧t✐♣❧✐❡❞ ❜② ❛ ❝♦♥str❛✐♥❡❞ ❜♦s♦♥✐❝

s♣✐♥♦r ❣❤♦st λα✱ ❡♥❛❜❧✐♥❣ ❛ ♥❛t✉r❛❧ s✉♣❡r✜❡❧❞ ❞❡s❝r✐♣t✐♦♥ ♦❢ t❤❡ ❝♦❤♦♠♦❧♦❣②✳ ❙✉♣♣♦rt✐♥❣

t❤✐s str✉❝t✉r❡✱ t❤❡ ♠❛ss❧❡ss ✈❡rt❡① ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❛♣♣r♦❛❝❤ ✐s s❤♦✇♥ t♦ ❜❡ ✈❡r② s✐♠✐❧❛r t♦ ❙✐❡❣❡❧✬s ♣r♦♣♦s❛❧✱ ❜✉t ✇✐t❤ ❛ ❝♦rr❡❝t✐♦♥ t❤❛t ❝♦♠❡s ❢r♦♠ t❤❡ ❣❤♦st s❡❝t♦r✳

✷✳✶ ▼❛tt❡r ✜❡❧❞s

❚❤❡ ♠❛tt❡r ❝♦♥t❡♥t ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r s✉♣❡rstr✐♥❣ ✐s ❞❡s❝r✐❜❡❞ ❜② t❤❡ ●r❡❡♥✲❙❝❤✇❛r③✲ ❙✐❡❣❡❧ ❛❝t✐♦♥

Sm =

1 2π

ˆ

d2z

1 2∂X

m∂X

m+pβ∂θβ

, ✭✷✳✶✮

✇✐t❤ ❢r❡❡ ✜❡❧❞ ♣r♦♣❛❣❛t♦rs ❣✐✈❡♥ ❜②✿

Xm(z)Xn(y) ∼ −ηmnln|zy|2

, ✭✷✳✷❛✮

pα(z)θβ(y) ∼ ∼

δβ α

zy. ✭✷✳✷❜✮

❖❜s❡r✈❡ t❤❛t t❤❡ ❢✉♥❞❛♠❡♥t❛❧ ❧❡♥❣t❤ ♦❢ t❤❡ str✐♥❣ ✐s ❜❡✐♥❣ ✜①❡❞ t❤r♦✉❣❤ α′ = 2 ❜✉t ✐t

❝❛♥ ❜❡ ❡❛s✐❧② r❡❝♦✈❡r❡❞ ❜② ❞✐♠❡♥s✐♦♥❛❧ ❛♥❛❧②s✐s✳ ❚❤❡ s✉♣❡rs②♠♠❡tr✐❝ ❝❤❛r❣❡ ✇✐❧❧ ❜❡ ❞❡✜♥❡❞ t♦ ❜❡

qα ≡

˛

pα+

1 2∂X

m(θγ m)α+

1

24(θγm∂θ) (θγm)α ✭✷✳✸✮

❛♥❞ t❤❡ s✉♣❡rs②♠♠❡tr② ❛❧❣❡❜r❛ ✐s ❞✐r❡❝t❧② r❡♣r♦❞✉❝❡❞

{qα, qβ}=−iγαβmPm. ✭✷✳✹✮

❍❡r❡✱ Pm ✐s t❤❡ ✉s✉❛❧ ♠♦♠❡♥t✉♠ ♦♣❡r❛t♦r✱ ✇✐t❤

Pm ≡i ˛

∂Xm, ❛♥❞ [Pm, Xn] =−iδmn.

❚❤❡ ❝♦♥str✉❝t✐♦♥ ♦❢ t❤❡ s✉♣❡rs②♠♠❡tr✐❝ ✐♥✈❛r✐❛♥ts ❢♦❧❧♦✇s✿

Πm = ∂Xm+1 2(θγ

(15)

dα = pα−

1 2∂X

m(θγ m)α

1 8(θγ

m∂θ) (θγ

m)α. ✭✷✳✺❜✮

■t ✐s str❛✐❣❤t❢♦r✇❛r❞ t♦ ♦❜t❛✐♥ t❤❡ ❖P❊✬s ❛♠♦♥❣ t❤❡♠ t❤r♦✉❣❤ t❤❡ ❢✉♥❞❛♠❡♥t❛❧ ♦♥❡s ❣✐✈❡♥ ✐♥ ✭✷✳✷✮✿

Πm(z) Πn(y) ∼ − η

mn

(z−y)2, ✭✷✳✻❛✮

dα(z) Πm(y) ∼

γm αβ∂θβ

(zy), ✭✷✳✻❜✮

dα(z)dβ(y) ∼ −

γm αβΠm

(zy). ✭✷✳✻❝✮

■t ✇✐❧❧ ❜❡ ✉s❡❢✉❧ ❛❧s♦ t♦ ♣r❡s❡♥t ❛❧s♦ t❤❡ ❛❝t✐♦♥ ♦❢ t❤❡ t❤❡ ♦♣❡r❛t♦rs ♦❢ ✭✷✳✺✮ ♦♥ ❛ s✉♣❡r✜❡❧❞

F (X, θ)✿

Πm(z)F (X, θ;y) ∼ −

∂mF

(zy), ✭✷✳✼✮

dα(z)F (X, θ;y) ∼

DαF

(zy). ✭✷✳✽✮

❍❡r❡✱

Dα ≡∂α+

1 2

γαβmθβ∂m, ✭✷✳✾✮

✇✐t❤ ∂α = ∂θ∂α✱ ∂m = ∂X∂m✳ ◆♦t❡ t❤❛t

{Dα, Dβ}=γαβm∂m, ✭✷✳✶✵✮

❛s ❡①♣❡❝t❡❞ ❢r♦♠ t❤❡ ❖P❊ ✭✷✳✻❝✮✳

❯♣t♦ t❤✐s ♣♦✐♥t✱ t❤❡ ❜❛s✐❝ ❜❧♦❝❦s ♦❢ t❤❡ ♠❛tt❡r s❡❝t♦r ❤❛✈❡ ❜❡❡♥ ✐♥tr♦❞✉❝❡❞ ✇✐t❤♦✉t ♠❡♥t✐♦♥✐♥❣ t❤❡ ♦r✐❣✐♥❛❧ s✉♣❡rstr✐♥❣ ❞❡s❝r✐♣t✐♦♥✳ ❇② t❤❛t ✐t ✐s ♠❡❛♥t t❤❡ t✇♦ ❢✉♥❞❛♠❡♥t❛❧ ♦❜❥❡❝ts t❤❛t ❛r✐s❡ ♥❛t✉r❛❧❧② ✐♥ t❤❡ ●r❡❡♥✲❙❝❤✇❛r③ ❢♦r♠✉❧❛t✐♦♥✿ t❤❡ ❱✐r❛s♦r♦ ❝♦♥str❛✐♥t ❛♥❞ t❤❡ ❢❡r♠✐♦♥✐❝ ❝♦♥str❛✐♥ts ✭r❡❧❛t❡❞ t♦ κ✲s②♠♠❡tr②✮✳

❚❤❡ ❱✐r❛s♦r♦ ❝♦♥str❛✐♥t ✭1 2Π

mΠ

m+dα∂θα = 0✮ ✐s ✐❞❡♥t✐✜❡❞ ✇✐t❤ t❤❡ ❡♥❡r❣②✲♠♦♠❡♥t✉♠

t❡♥s♦r T♠❛tt❡r ♦❢ t❤❡ t❤❡♦r②✱ ❣✐✈❡♥ ❜②

T♠❛tt❡r = 1 2∂X

m∂X

(16)

❛♥❞ t❤❡ ♠♦st ❞✐r❡❝t ♣✐❡❝❡ ♦❢ ✐♥❢♦r♠❛t✐♦♥ ♦♥❡ ♠❛② ❡①tr❛❝t ❢r♦♠ ✐t ✐s t❤❡ ❝❡♥tr❛❧ ❝❤❛r❣❡ ♦❢ t❤❡ ♠❛tt❡r s❡❝t♦r✳ ❈♦♠♣✉t✐♥❣ t❤❡ ❖P❊ ♦❢ T♠❛tt❡r ✇✐t❤ ✐ts❡❧❢ ♦♥❡ ♦❜t❛✐♥s✿

T♠❛tt❡r(z)T♠❛tt❡r(y)∼ − 11 (z−y)4 +

2T♠❛tt❡r

(z−y)2 +

∂T♠❛tt❡r

(zy). ✭✷✳✶✶✮

❍❡♥❝❡✱ t❤❡ ❢r❡❡ ♠❛tt❡r ❛❝t✐♦♥ ②✐❡❧❞s ❛ ♥❡❣❛t✐✈❡ ❝❡♥tr❛❧ ❝❤❛r❣❡ ✭−22✮✳

❚❤❡ ❢❡r♠✐♦♥✐❝ ❝♦♥str❛✐♥ts ✭dα = 0✮❛r❡ ❛ ❜✐t ♠♦r❡ s✉❜t❧❡✱ ❛s t❤❡② s❛t✐s❢② ✭✷✳✻❝✮✳ ❚❤✐s

✐♠♣❧✐❡s t❤❛t ♦♥❧② ❤❛❧❢ ♦❢ t❤❡ ❝♦♠♣♦♥❡♥ts ♦❢ dα ❛r❡ ✜rst ❝❧❛ss ❝♦♥str❛✐♥ts✳ ❆❧t❤♦✉❣❤ ♦♥❡

❝❛♥ ✉s❡ ❛ ❣❛✉❣❡ ✜①✐♥❣ ♣r♦❝❡❞✉r❡ t♦ s♦❧✈❡ t❤❡♠ ✭❧✐❣❤t ❝♦♥❡ ❣❛✉❣❡✮✱ ✐t ❜r❡❛❦s ❡①♣❧✐❝✐t❧② ▲♦r❡♥t③ s②♠♠❡tr② ❜❡❝❛✉s❡ t❤❡r❡ ✐s ♥♦ s✐♠♣❧❡ ✇❛② t♦ ❝♦✈❛r✐❛♥t❧② s♣❧✐t t❤❡ ✜rst ❛♥❞ s❡❝♦♥❞ ❝❧❛ss ❝♦♥str❛✐♥ts ♠✐①❡❞ ✐♥✳

❚❤❡ ✈❛♥✐s❤✐♥❣ ♦❢ t❤❡ ❝❡♥tr❛❧ ❝❤❛r❣❡ ✐♥ str✐♥❣ t❤❡♦r② ✐s r❡❧❛t❡❞ t♦ t❤❡ ✈❛♥✐s❤✐♥❣ ♦❢ ✇♦r❧❞✲ s❤❡❡t ❣r❛✈✐t❛t✐♦♥❛❧ ❛♥♦♠❛❧✐❡s✳ ❚❤❡ ✇❛② t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ s♦❧✈❡s t❤❡ ❝♦♥❢♦r♠❛❧ ❛♥♦♠❛❧② ❛♥❞ ❞❡❛❧s ✇✐t❤ t❤❡ ❢❡r♠✐♦♥✐❝ ❝♦♥str❛✐♥ts t❤❛t ❛r❡ ❜❡✐♥❣ ✐❣♥♦r❡❞ ✇✐❧❧ ❜❡ ❡①♣❧❛✐♥❡❞ ❜❡❧♦✇✳

✷✳✷ ●❤♦st ✜❡❧❞s

❚❤❡ ❢✉♥❞❛♠❡♥t❛❧ ✐♥❣r❡❞✐❡♥t ✐♥ t❤❡ ❝♦♥str✉❝t✐♦♥ ♦❢ t❤❡ ❢♦r♠❛❧✐s♠ ✐s ❛ ❜♦s♦♥✐❝ ❣❤♦st λα

t❤❛t✱ ✐♥ ❛♥ ✐♥❞✐r❡❝t ♠❛♥♥❡r✱ ✐♠♣❧❡♠❡♥ts t❤❡ κ✲s②♠♠❡tr② ❣❡♥❡r❛t♦rs ♦❢ t❤❡ ●r❡❡♥✲❙❝❤✇❛r③

s✉♣❡rstr✐♥❣ ✐♥ ❛ ❇❘❙❚ ❢❛s❤✐♦♥✳ ❚❤❡ ✜rst st❡♣ ✐s t♦ ❞❡✜♥❡ t❤❡ ❝✉rr❡♥t

J❇❘❙❚ λαdα, ✭✷✳✶✷✮

❛♥❞ t❤❡ ❛ss♦❝✐❛t❡❞ ❝❤❛r❣❡

Q=

˛

J❇❘❙❚, ✭✷✳✶✸✮

s❛t✐s❢②✐♥❣

{Q, Q}=

˛

(λγmλ) Πm. ✭✷✳✶✹✮

◆♦✇✱ ✐❢ ♦♥❡ ✐♠♣♦s❡s

λγmλ = 0, ✭✷✳✶✺✮

✭t❤❡ D = 10 ♣✉r❡ s♣✐♥♦r ❝♦♥str❛✐♥t✮✱ t❤❡ ❝❤❛r❣❡ ❞❡✜♥❡❞ ✐♥ ✭✷✳✶✸✮ ✐s ♥✐❧♣♦t❡♥t✱ ❜❡✐♥❣ ❛

(17)

❚♦ ✉♥❞❡rst❛♥❞ ❛ ❜✐t ♠♦r❡ t❤❡s❡ ♣✉r❡ s♣✐♥♦rs✱ ✐t ✐s ✐♥t❡r❡st✐♥❣ t♦ st❛rt ✇✐t❤ ❛♥ ✉♥❝♦♥s✲ tr❛✐♥❡❞ ❜♦s♦♥✐❝ s♣✐♥♦r ♣❛✐r (Λα,Ω

α)s❛t✐s❢②✐♥❣

Λα(z) Ωβ(y)∼

δα β

zy. ✭✷✳✶✻✮

◆❛✐✈❡❧②✱ ♦♥❡ ♠❛② tr② t♦ ♣r♦❥❡❝t Λα ✐♥t♦ ❛ ♣✉r❡ s♣✐♥♦r✱

λα =? PβαΛβ. ✭✷✳✶✼✮

❍❡r❡✱ Pα

β = δαβ +Kβα ♣❧❛②s t❤❡ r♦❧❡ ♦❢ t❤❡ ♣r♦❥❡❝t♦r✱ ❛❧t❤♦✉❣❤ ✐ts ❢♦r♠ ✐s ♥♦t ❦♥♦✇♥

②❡t✳ ◆♦✇✱ ✐t ✐s ♣♦ss✐❜❧❡ t♦ ❝♦♥str❛✐♥ Kα

β ❜② s♦♠❡ ❣❡♥❡r❛❧♣r♦♣❡rt✐❡s ♦❢ ♣r♦❥❡❝t✐♦♥s✳ ❚❤❡

s✐♠♣❧❡st ♦♥❡ ✐s t❤❛t

Pα γP

γ

β =Pβα ⇒ Kβα =−KγαK γ

β. ✭✷✳✶✽✮

■♥ ♦t❤❡r ✇♦r❞s✱ ♣r♦❥❡❝t❡❞ s✉❜s♣❛❝❡s ❛r❡ ✐♥✈❛r✐❛♥t ✉♥❞❡r t❤❡ ❛❝t✐♦♥ ♦❢ t❤❡ ♣r♦❥❡❝t✐♦♥✳ ❲❤❡♥ t❤✐s ❝♦♥❝❡♣t ✐s ❛♣♣❧✐❡❞ t♦ t❤❡ ♣✉r❡ s♣✐♥♦r λα✱ t❤❛t ✐s Pα

βλβ =λα✱ ♦♥❡ r❡❛❞✐❧② ♥♦t❡s

t❤❛t

βλβ = 0 ⇒ Kβα =Kmα(γmλ)β, ✭✷✳✶✾✮

s✐♥❝❡ t❤❡ ♣✉r❡ s♣✐♥♦r ❝♦♥str❛✐♥t ✐s t❤❡ ♦♥❧② ✐♥❢♦r♠❛t✐♦♥ ❛✈❛✐❧❛❜❧❡ s♦ ❢❛r✳ ❇❡s✐❞❡s✱ ❡q✉❛t✐♦♥ ✭✷✳✶✽✮ ✐♠♣❧✐❡s t❤❛t

Kmα(γnλ)α =K

α

n (γmλ)α−ηmn.

❆ ♣♦ss✐❜❧❡ s♦❧✉t✐♦♥ ❢♦r Kα

β t❤❛t s❛t✐s✜❡s ❛❧❧ t❤❡s❡ ❝♦♥str❛✐♥ts ✐s ❣✐✈❡♥ ❜②

Kβα =1 2

(Cγm)α(γmλ)β

C·λ , ✭✷✳✷✵✮

✇❤❡r❡ Cα ✐s ❛❧s♦ ❛ ♣✉r❡ s♣✐♥♦r ❛♥❞ Kβα ❞❡♣❡♥❞s r❡❝✉rs✐✈❡❧② ♦♥ t❤❡ ♣✉r❡ s♣✐♥♦r ✇❤✐❝❤ ✐s

❜❡✐♥❣ ♣r♦❥❡❝t❡❞✱ ✇❤✐❝❤ str✐❝t❧② s♣❡❛❦✐♥❣ ♠❛❦❡ ✐t ♥♦t ❛ ♣r♦❥❡❝t♦r✱ ❛❧t❤♦✉❣❤ ❡♥♦✉❣❤ ❢♦r t❤❡ ♣r❡s❡♥t ♣✉r♣♦s❡✳

❚❤❡ ♥❡①t st❡♣ ✐s t♦ ❛ss♦❝✐❛t❡ Ωa t♦ t❤❡ ❝♦♥❥✉❣❛t❡ ωα ♦❢ λα✳ ❈❧ ❡❛r❧ ② t❤✐s ✐s ♥♦t ❛

tr✐✈✐❛❧r❡❧❛t✐♦♥✱ ❛sλα ✐s ❝♦♥str❛✐♥❡❞✳ ❚♦ ❛❝❦♥♦✇❧❡❞❣❡ t❤✐s✱ ♥♦t❡ t❤❛t ❛♥ ❡①♣❧✐❝✐t❧② ▲♦r❡♥t③

✐♥✈❛r✐❛♥t ❛❝t✐♦♥ ❢♦r t❤❡ ❣❤♦st s❡❝t♦r✱

Sλ =

1 2π

ˆ

d2zωα∂λ¯ α

(18)

❤❛s t❤❡ ❣❛✉❣❡ s②♠♠❡tr②

δǫωα =ǫm(γmλ)α. ✭✷✳✷✷✮

■t ✐s ♥♦✇ str❛✐❣❤t❢♦r✇❛r❞ t♦ ✇r✐t❡ ❞♦✇♥ ❛♥ ❖P❊ ❜❡t✇❡❡♥ λα =Pα

βΛβ ❛♥❞ Ωβ ∼ωβ✱

λα(z)ω

β(y)∼

1

z−y

δα β −

1 2

(Cγm)α(γmλ)β

C·λ

. ✭✷✳✷✸✮

❆s ❛ ❝♦♥s✐st❡♥❝② ❝❤❡❝❦✱ ♥♦t❡ t❤❛t ωα ❤❛s ♥♦ ♣♦❧❡s ✇✐t❤ λγmλ✳ ❚❤❡ ♠❡❛♥✐♥❣ ♦❢ Cα ✐s ♥♦t

❝❧❡❛r ✐♥ t❤✐s ❞❡r✐✈❛t✐♦♥ ❛♥❞ ✐♥ ♣r✐♥❝✐♣❧❡ tr♦✉❜❧❡s♦♠❡✱ s✐♥❝❡ ✐t ❜r❡❛❦s ▲♦r❡♥t③s②♠♠❡tr②✳ ■♥ ❢❛❝t✱ ✐t ✐s ❞✐r❡❝t❧② r❡❧❛t❡❞ t♦ t❤❡ ❞❡✜♥✐t✐♦♥ ❛♥❞ t❤❡ ❣❛✉❣❡ ✜①✐♥❣ ♦❢ ωα✳ ❋♦r ❛ s✐♠♣❧❡

❡①❛♠♣❧❡ ♦♥ t❤❛t s❡❡ s❡❝t✐♦♥ ❇✳✸ ♦❢ t❤❡ ❛♣♣❡♥❞✐①✳

❚❤❡ s✐♠♣❧❡st ❣❛✉❣❡ ✐♥✈❛r✐❛♥t q✉❛♥t✐t✐❡s t❤❛t ❝❛♥ ❜❡ ❜✉✐❧t ♦✉t ♦❢ ωα ❛r❡

Tλ =−ω∂λ, Nmn=−12ωγmnλ, Jλ =−ωλ,

r❡s♣❡❝t✐✈❡❧②✱ t❤❡ ❡♥❡r❣②✲♠♦♠❡♥t✉♠ t❡♥s♦r✱ t❤❡ ▲♦r❡♥t③❝✉rr❡♥t ❛♥❞ t❤❡ ❣❤♦st ♥✉♠❜❡r ❝✉rr❡♥t✳

❉✉❡ t♦ t❤❡ ♥♦♥ ❧✐♥❡❛r ❢♦r♠ ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❝♦♥str❛✐♥t✱ t❤❡r❡ ♠✐❣❤t ❜❡ ♦r❞❡r✐♥❣ ❝♦♥tr✐❜✉t✐♦♥s ✐♥ t❤❡✐r q✉❛♥t✉♠ ✈❡rs✐♦♥✱ s✉❝❤ ❛s∂2ln ()❢♦rT

λ ♦r∂ln (Cλ)❢♦r t❤❡ ❣❤♦st

♥✉♠❜❡r ❝✉rr❡♥t✶✳ ❲✐t❤♦✉t ❦♥♦✇✐♥❣ t❤❡s❡ ♦r❞❡r✐♥❣ ❝♦♥tr✐❜✉t✐♦♥s ♦♥❡ ❝❛♥ ❞❡t❡r♠✐♥❡✱ ❢♦r

❡①❛♠♣❧❡✱ t❤❡ ❝❡♥tr❛❧ ❝❤❛r❣❡ ❛ss♦❝✐❛t❡❞ t♦ t❤❡ ♣✉r❡ s♣✐♥♦r ✈❛r✐❛❜❧❡s✱ t❤❛t ✐s ❞✐r❡❝t❧② r❡❛❞ ❢r♦♠ t❤❡ q✉❛rt✐❝ ♣♦❧❡ ✐♥ t❤❡ ❖P❊ ♦❢ t❤❡ ❡♥❡r❣②✲♠♦♠❡♥t✉♠ t❡♥s♦r ✇✐t❤ ✐ts❡❧❢✱

Tλ(z)Tλ(y)∼

cλ/2

(zy)4 +. . .

⇒cλ = 2

δβα− 1

2

(Cγm)α(γmλ)β

C·λ δ

β α−

1 2

(Cγn)β(γnλ)α

C·λ

= 22, ✭✷✳✷✹✮

✇❤✐❝❤ ♣r❡❝✐s❡❧② ❝❛♥❝❡❧s t❤❡ ❝♦♥tr✐❜✉t✐♦♥ ❝♦♠✐♥❣ ❢r♦♠ t❤❡ ♠❛tt❡r ♣❛rt ♦❢ t❤❡ t❤❡♦r②✱ ❡q✉❛✲ t✐♦♥ ✭✷✳✶✶✮✳ ▼♦r❡ t❤❛♥ t❤❛t✱ t❤✐s r❡s✉❧t ❣✐✈❡s ❛ ❤✐♥t ♦♥ t❤❡ ♥✉♠❜❡r ♦❢ ✐♥❞❡♣❡♥❞❡♥t ❝♦♠✲ ♣♦♥❡♥ts ♦❢ λα✿ t❤❡ ♣✉r❡ s♣✐♥♦r ❝♦♥str❛✐♥t ✭✷✳✶✺✮ ✐♠♣❧✐❡s t❤❛t ♦♥❧② 11 ❝♦♠♣♦♥❡♥ts ♦❢ λα

❛r❡ ✐♥❞❡♣❡♥❞❡♥t✳

❚❤✐s ❛♣♣r♦❛❝❤ ❦♥♦✇♥ ❛s ❨✲❋♦r♠❛❧✐s♠ ❬✶✻✱ ✾❪✿ ❛ ♣✉r❡ s♣✐♥♦r ✈❛r✐❛❜❧❡ Yα=

Cλ ✐s ❞❡✜♥❡❞ ❛♥❞ ❛❧❧ t❤❡

(19)

✶✵

■♥st❡❛❞ ♦❢ ✇♦r❦✐♥❣ ✇✐t❤ t❤❡ ❝♦♥str❛✐♥❡❞ ✈❛r✐❛❜❧❡ λα ❛♥❞ ✐ts ♠❡ss② ❖P❊✱ ✐t ✐s ♣♦ss✐❜❧❡

t♦ ✉s❡ ♦♥❧② ❢r❡❡ ✜❡❧❞s✳ ❖♥❡ ✇❛② ♦❢ ❞♦✐♥❣ t❤✐s ✐s t❤r♦✉❣❤ t❤❡ U(5) ❞❡❝♦♠♣♦s✐t✐♦♥ ♦❢

t❤❡ SO(10) s♣✐♥♦rs✱ t❤❡ ♦r✐❣✐♥❛❧ ❢♦r♠✉❧❛t✐♦♥ ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ ✐♥ ❬✶❪✳ ❚❤✐s

❝♦♥str✉❝t✐♦♥ ✐s ♣r❡s❡♥t❡❞ ✐♥ t❤❡ ❛♣♣❡♥❞✐① ✇✐t❤ ❛ ❢r❡❡✲✜❡❧❞ ♣❛r❛♠❡tr✐③❛t✐♦♥ ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r λα ❛♥❞ t❤❡ ❞❡r✐✈❛t✐♦♥ ♦❢ ♠♦st ♦❢ t❤❡ r❡s✉❧ts ❜❡❧♦✇✳

❋♦r t❤❡ ♠✐♥✐♠❛❧ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠✱ t❤❡ ❢✉❧❧ s❡t ♦❢ ❖P❊✬s ♦❢ t❤❡ ❣❤♦st s❡❝t♦r ✐s ❣✐✈❡♥ ❜②✿

Tλ(z)Tλ(y) ∼ (z11y)4 + 2

Tλ (z−y)2 +

∂Tλ

(z−y), Tλ(z)λ

α(y) ∂λα (z−y),

Tλ(z)Jλ(y) ∼ (z8y)3 + (z

−y)2 +

∂Jλ

(z−y), Jλ(z)λ

α(y) λα (z−y),

Tλ(z)Nmn(y) ∼ N

mn (z−y)2 +

∂Nmn (z−y), N

mn(z)λα(y) 1 2

(γmnλ)α (z−y) ,

Nmn(z)J

λ(y) ∼ r❡❣✉❧❛r, Jλ(z)Jλ(y) ∼ −(z4y)2,

Nmn(z)Npq(y) ∼ 6η

m[pηq]n

(zy)2 + 2

ηm[qNp]n+ηn[pNq]m

(zy) .

◆❡①t s❡❝t✐♦♥ ♣r❡s❡♥ts ❛ ❜❛s✐❝ ✐♥tr♦❞✉❝t✐♦♥ t♦ t❤❡ ❝♦❤♦♠♦❧♦❣② ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r s✉✲ ♣❡rstr✐♥❣✳

✷✳✸ P✉r❡ s♣✐♥♦r ❝♦❤♦♠♦❧♦❣②

❍❛✈✐♥❣ ✐♥tr♦❞✉❝❡❞ t❤❡ ❣❤♦st ✜❡❧❞s✱ ✐t ✐s ♥♦✇ t✐♠❡ t♦ ❞✐s❝✉ss t❤❡ ♣✉r❡ s♣✐♥♦r ❇❘❙❚ ❝❤❛r❣❡ ♦❢ ❡q✉❛t✐♦♥ ✭✷✳✶✸✮ ❛♥❞ ✐ts ❝♦❤♦♠♦❧♦❣②✳

❚❤❡ ✜rst ✉♥❝♦♥✈❡♥t✐♦♥❛❧ t❤✐♥❣ t♦ ❜❡ ♥♦t❡❞ ✐s t❤❛t ✐t ❝♦♥t❛✐♥s ♠♦r❡ t❤❛♥ t❤❡ ✭✇♦✉❧❞ ❜❡✮ 8 ✜rst ❝❧❛ss ❝♦♥str❛✐♥ts ♦❢ t❤❡ ●r❡❡♥✲❙❝❤✇❛r③ s✉♣❡rstr✐♥❣✱ s✐♥❝❡ t❤❡ ♣✉r❡ s♣✐♥♦r λα

❤❛s ❡❧❡✈❡♥ ✐♥❞❡♣❡♥❞❡♥t ❝♦♠♣♦♥❡♥ts✳

❆♥♦t❤❡r ❢❛❝t t❤❛t ✐s ✇♦rt❤ ♠❡♥t✐♦♥✐♥❣ ✐s t❤❡ ❡①✐st❡♥❝❡ ♦❢ t❤❡ ♦♣❡r❛t♦r ξ = Cθ✳ ◆♦t❡

t❤❛t {Q, ξ} = 1 ❢♦r ❛♥② ❝♦♥st❛♥t s♣✐♥♦r Cα✳ ❙✉❝❤ ❛♥ ♦♣❡r❛t♦r ✐s ♣♦t❡♥t✐❛❧❧② ❞❛♥❣❡r♦✉s

❛s ✐t tr✐✈✐❛❧✐③❡s t❤❡ ❝♦❤♦♠♦❧♦❣② ♦❢ t❤❡ ❇❘❙❚ ❧✐❦❡ ❝❤❛r❣❡✿ ❛♥② ❇❘❙❚✲❝❧♦s❡❞ ♦♣❡r❛t♦r O✱

(20)

✶✶

✐♥✈❡rs❡ ♣♦✇❡rs ♦❢ λα✳ ■♥ t❤❡ ❘◆❙ ❢♦r♠❛❧✐s♠✱ ❢♦r ❡①❛♠♣❧❡✱ t❤❡ ❡①✐st❡♥❝❡ ♦❢ ξ ❧❡❞ t♦ t❤❡

✐♥tr♦❞✉❝t✐♦♥ ♦❢ t❤❡ ❝♦♥❝❡♣t ♦❢ s♠❛❧❧ ❍✐❧❜❡rt s♣❛❝❡ ❛♥❞ ♣✐❝t✉r❡ ❝❤❛♥❣✐♥❣ ♦♣❡r❛t♦rs ❬✺❪✳ P❤②s✐❝❛❧ st❛t❡s ✇✐❧❧ ❜❡ ❞❡✜♥❡❞ t♦ ❜❡ ✐♥ t❤❡ ❣❤♦st ♥✉♠❜❡r 1❝♦❤♦♠♦❧♦❣② ♦❢ ✭✷✳✶✸✮ ❛♥❞

t♦ ✉♥❞❡rst❛♥❞ ❛ ❜✐t ♠♦r❡ t❤❡ ♦r✐❣✐♥ ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r s✉♣❡rstr✐♥❣ s♣❡❝tr✉♠✱ t❤❡ ♠❛ss❧❡ss ❝❛s❡ ✇✐❧❧ ❜❡ ❞✐s❝✉ss❡❞ ✐♥ ❞❡t❛✐❧s✳

❚❤❡ ✉♥✐♥t❡❣r❛t❡❞ ♠❛ss❧❡ss ✈❡rt❡① ♦♣❡r❛t♦r ✐s ❣✐✈❡♥ ❜②

U0 =λαAα(X, θ). ✭✷✳✷✺✮

❆s t❤❡r❡ ✐s ♥♦ ♥❡❣❛t✐✈❡ ❝♦♥❢♦r♠❛❧ ✇❡✐❣❤t ✜❡❧❞ ❛✈❛✐❧❛❜❧❡✷A

α ❝♦♥t❛✐♥s ♦♥❧② t❤❡ ③❡r♦ ♠♦❞❡s

♦❢ t❤❡ ♠❛tt❡r ✜❡❧❞s ✭t❤❛t ✐s ♦♥❧② Xm ❛♥❞ θα✱ ♥♦t t❤❡✐r ❞❡r✐✈❛t✐✈❡s✮✳

❚❤❡ ❝♦♥❞✐t✐♦♥ ❢♦r U0 t♦ ❜❡ ✐♥ t❤❡ ❝♦❤♦♠♦❧♦❣② ♦❢ t❤❡ ❇❘❙❚ ❝❤❛r❣❡ ✐s t❤❡ ✈❛♥✐s❤✐♥❣ ♦❢

{Q, U0}=λαλβDαAβ, ✭✷✳✷✻✮

✇❤❡r❡ Dα ✇❛s ❞❡✜♥❡❞ ✐♥ ✭✷✳✾✮✳ ❚❤❡ ❋✐❡r③ ❞❡❝♦♠♣♦s✐t✐♦♥ ♦❢ t❤❡ s②♠♠❡tr✐❝ ♣r♦❞✉❝t λαλβ

✐s ❣✐✈❡♥ ❜②

λαλβ = 1 16(λγ

mλ)γαβ

m +

1 5!·32(λγ

mnpqrλ)γαβ

mnpqr, ✭✷✳✷✼✮

✇❤❡r❡ t❤❡ 3✲❢♦r♠ ✈❛♥✐s❤❡s ❜❡❝❛✉s❡ γmnp ✐s ❛♥t✐s②♠♠❡tr✐❝ ✐♥ t❤❡ s♣✐♥♦r ✐♥❞✐❝❡s✳ ❚❤❡ ✜rst

t❡r♠ ♦♥ t❤❡ r✐❣❤t✲❤❛♥❞ s✐❞❡ ✈❛♥✐s❤❡s ❞✉❡ t♦ t❤❡ ♣✉r❡ s♣✐♥♦r ❝♦♥str❛✐♥t✳ ❚❤❡r❡❢♦r❡✱ t❤❡ ✈❛♥✐s❤✐♥❣ ♦❢ ✭✷✳✷✻✮ ✐♠♣❧✐❡s

(DγmnpqrA) = 0, ✭✷✳✷✽✮

✇❤✐❝❤ ✐s t❤❡ ❧✐♥❡❛r✐③❡❞ ✈❡rs✐♦♥ ♦❢ t❤❡ s✉♣❡r ❨❛♥❣✲▼✐❧❧s ❡q✉❛t✐♦♥ ♦❢ ♠♦t✐♦♥ ❢♦r t❤❡ s✉♣❡r✜❡❧❞

Aα ❬✶✼❪✱ t❤❡ ❡①♣❡❝t❡❞ ♠❛ss❧❡ss s✉♣❡rstr✐♥❣ s♣❡❝tr✉♠✳

❆s ♠❡♥t✐♦♥❡❞ ✐♥ t❤❡ ❜❡❣✐♥♥✐♥❣ ♦❢ t❤❡ ❝❤❛♣t❡r✱ t❤❡ ✐♥t❡❣r❛t❡❞ ✈❡rs✐♦♥ ♦❢ t❤❡ ♠❛ss❧❡ss ✈❡rt❡① ♦♣❡r❛t♦r ❝❧♦s❡❧② r❡s❡♠❜❧❡s t❤❡ ♦♥❡ ♣r♦♣♦s❡❞ ❜② ❙✐❡❣❡❧ ✐♥ ❬✶✹❪❛♥❞ ✐s ❣✐✈❡♥ ❜②

V0 =

˛

{ΠmAm+∂θαAα+dαWα+NmnFmn}, ✭✷✳✷✾✮

■♥ ❢❛❝t✱ ❛♥ ❛rt✐✜❝✐❛❧ ❝♦♥str✉❝t✐♦♥ ❤❛s ❜❡❡♥ r❡❝❡♥t❧② ♣r♦♣♦s❡❞ ❢♦r ❛ 1 ❝♦♥❢♦r♠❛❧ ✇❡✐❣❤t ❝♦♠♣♦s✐t❡

(21)

✶✷

✇❤❡r❡

Am ≡

1 8

DαγmαβAβ

, ✭✷✳✸✵❛✮

(γmW)α ≡ (DαAm−∂mAα), ✭✷✳✸✵❜✮

Fmn ≡

1

2(∂mAn−∂nAm) ✭✷✳✸✵❝✮ = 1

16(γmn)

α

βDαW β,

❛r❡ t❤❡ ✉s✉❛❧ s✉♣❡r✜❡❧❞s ❜✉✐❧t ♦✉t ♦❢ Aα✳ ❇❘❙❚✲❝❧♦s❡❞♥❡ss ♦❢ V ✐s str❛✐❣❤t❢♦r✇❛r❞ t♦ ❞❡✲

♠♦♥str❛t❡ ❛♥❞ [Q, V0]✈❛♥✐s❤❡s ✉♣ t♦ ❛ s✉r❢❛❝❡ t❡r♠❛❢t❡r ✉s✐♥❣ t❤❡ ♣✉r❡ s♣✐♥♦r ❝♦♥str❛✐♥t

❛♥❞ t❤❡ ❡q✉❛t✐♦♥ ♦❢ ♠♦t✐♦♥ ✭✷✳✷✽✮✳

❚❤❡ ♠❛ss✐✈❡ s♣❡❝tr✉♠ ✐s ♠✉❝❤ ❤❛r❞❡r t♦ ❞❡s❝r✐❜❡ ✐♥ t❤✐s ❝♦✈❛r✐❛♥t ❢❛s❤✐♦♥✳ ❋♦r ❡①❛♠♣❧❡✱ t❤❡ ✉♥✐♥t❡❣r❛t❡❞ ✈❡rt❡① ♦❢ t❤❡ ✜rst ♠❛ss✐✈❡ ❧❡✈❡❧ ✐s ❣✐✈❡♥ ❜②

U1 = ∂λαAα(X, θ) +λα∂θβBαβ(X, θ) +λαdβCαβ(X, θ)

+λαΠmCαm(X, θ) +λαNmnDαmn(X, θ) +λαJλEα(X, θ). ✭✷✳✸✶✮

❇❘❙❚✲❝❧♦s❡❞♥❡ss ✇✐❧❧ ✐♠♣♦s❡ t❤❡ ❡q✉❛t✐♦♥s ♦❢ ♠♦t✐♦♥ ❛♥❞ t❤❡ ❝♦♥str❛✐♥ts ❛♠♦♥❣ ❛❧❧ t❤❡ s✉♣❡r✜❡❧❞s ♣r❡s❡♥t ✐♥U1 ❬✶✽❪✳ ❖❜✈✐♦✉s❧②✱ ❤✐❣❤❡r ♠❛ss✐✈❡ ❧❡✈❡❧s ✇✐❧❧ ✐♥✈♦❧✈❡ ♠♦r❡ s✉♣❡r✜❡❧❞s

❛♥❞ ❝♦♥str❛✐♥ts ♠❛❦✐♥❣ t❤❡ s❡❛r❝❤ ❢♦r ❛ ❢✉❧❧ s✉♣❡rs♣❛❝❡ ❞❡s❝r✐♣t✐♦♥ ♦❢ t❤❡ s♣❡❝tr✉♠ ❛❧♠♦st ✐♠♣♦ss✐❜❧❡✳ ■❢ t❤✐s ✐s s♦✱ ✐t ❝♦✉❧❞ ❜❡ ❛s❦❡❞ ❤♦✇ ♦♥❡ ❦♥♦✇s t❤❛t t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ ✐s ❡q✉✐✈❛❧❡♥t t♦ t❤❡ tr❛❞✐t✐♦♥❛❧ s✉♣❡rstr✐♥❣ ❢♦r♠❛❧✐s♠✱ ❡✈❡♥ ❛t t❤❡ ❝♦❤♦♠♦❧♦❣✐❝❛❧ ❧❡✈❡❧✳ ❚❤✐s ✐s ❛ q✉❡st✐♦♥ t❤❛t ❤❛s ❜❡❡♥ ❛❞❞r❡ss❡❞ ❧♦♥❣ ❛❣♦ ❛♥❞ ♣r♦♦❢ t❤❛t t❤❡ ♣✉r❡ s♣✐♥♦r ❝♦❤♦♠♦❧♦❣② ✐s ❡q✉✐✈❛❧❡♥t t♦ t❤❡ ❧✐❣❤t✲❝♦♥❡ ●r❡❡♥✲❙❝❤✇❛r③ s♣❡❝tr✉♠✇❛s ♦❜t❛✐♥❡❞ ✐♥ ❬✶✾❪ t❤r♦✉❣❤ ❛ ❝♦♠♣❧✐❝❛t❡❞ ♣r♦❝❡❞✉r❡✱ ✇❤❡r❡ t❤❡ ♣✉r❡ s♣✐♥♦r ✈❛r✐❛❜❧❡ ✇❛s ✇r✐tt❡♥ ✐♥ t❡r♠s ♦❢ SO(8)

✈❛r✐❛❜❧❡s✱ ✐♥✈♦❧✈✐♥❣ ❛♥ ✐♥✜♥✐t❡ ❝❤❛✐♥ ♦❢ ❣❤♦st✲❢♦r✲❣❤♦sts✳ ▲❛t❡r✱ t❤❡ ❡q✉✐✈❛❧❡♥❝❡ ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r s♣❡❝tr✉♠ ✇✐t❤ t❤❡ tr❛❞✐t✐♦♥❛❧ s✉♣❡rstr✐♥❣ ❢♦r♠❛❧✐s♠s ✇❛s ❞❡♠♦♥str❛t❡❞ ✐♥ ❞✐✛❡r❡♥t ✇❛②s ❬✷✵✱ ✷✶❪✱ ✐♥✈♦❧✈✐♥❣ ✜❡❧❞ r❡❞❡✜♥✐t✐♦♥s ❛♥❞ s✐♠✐❧❛r✐t② tr❛♥s❢♦r♠❛t✐♦♥s✱ ❜✉t ❛♥ ❡①♣❧✐❝✐t s✉♣❡r✜❡❧❞ ❞❡s❝r✐♣t✐♦♥ ♦❢ t❤❡ ♠❛ss✐✈❡ st❛t❡s ✇❛s st✐❧❧ ❧❛❝❦✐♥❣✳ ❘❡❝❡♥t❧②✱ ❛ ❝♦♠♣❧❡t❡ s♣❡❝tr✉♠❣❡♥❡r❛t✐♥❣ ❛❧❣❡❜r❛ ✇❛s ✐♥tr♦❞✉❝❡❞✱ ❡♥❛❜❧✐♥❣ ❛ s②st❡♠❛t✐❝ ❞❡s❝r✐♣t✐♦♥ ♦❢ t❤❡ ✇❤♦❧❡ ♣✉r❡ s♣✐♥♦r s♣❡❝tr✉♠✐♥ t❡r♠s ♦❢ SO(8)✲❝♦✈❛r✐❛♥t s✉♣❡r✜❡❧❞s ❬✷✷❪✳ ■♥ ❛ s❡♣❛r❛t❡

(22)

✶✸

❉❉❋✲♦♣❡r❛t♦rs✸✱ ✉♣ t♦ ▲♦r❡♥t③ tr❛♥s❢♦r♠❛t✐♦♥s ❛♥❞ ❇❘❙❚✲❡①❛❝t ❝♦♥tr✐❜✉t✐♦♥s✳

◆❡①t s❡❝t✐♦♥ ✇✐❧❧ ♣r❡s❡♥t t❤❡ ♥♦♥✲♠✐♥✐♠❛❧ ✈❛r✐❛❜❧❡s ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠✳ ❆s ✇✐❧❧ ❜❡ ❞✐s❝✉ss❡❞✱ t❤❡s❡ ❡①tr❛ ✜❡❧❞s ❞♦ ♥♦t ❝❤❛♥❣❡ t❤❡ ❝♦❤♦♠♦❧♦❣②✱ ❜✉t ❛r❡ ❢✉♥❞❛♠❡♥t❛❧ ✐♥❣r❡❞✐❡♥ts ✐♥ t❤❡ ❝♦♥str✉❝t✐♦♥ ♦❢ t❤❡ ♥♦♥✲♠✐♥✐♠❛❧ b ❣❤♦st✳

✷✳✹ ◆♦♥✲♠✐♥✐♠❛❧ ✈❛r✐❛❜❧❡s

❚❤❡ ♥♦♥ ♠✐♥✐♠❛❧ ✈❡rs✐♦♥ ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠ ✐♥❝❧✉❞❡s ❛ ♥❡✇ s❡t ♦❢ ❣❤♦sts✱

λα, rα

✳ ❚❤❡ ❢♦r♠❡r ✐s ❛❧s♦ ❛ ♣✉r❡ s♣✐♥♦r✱ t❤❛t ✐s

λγmλ = 0, ✭✷✳✸✷✮

✇❤❡r❡❛s t❤❡ ❧❛tt❡r ✐s ❛ ❢❡r♠✐♦♥✐❝ s♣✐♥♦r ❝♦♥str❛✐♥❡❞ t❤r♦✉❣❤

λγmr = 0. ✭✷✳✸✸✮

❇♦t❤ ❝♦♥str❛✐♥ts ✐♠♣❧② t❤❛t t❤❡r❡ ❛r❡ ♦♥❧② 11 ✐♥❞❡♣❡♥❞❡♥t ❝♦♠♣♦♥❡♥ts ✐♥ ❡❛❝❤ s♣✐♥♦r✳

❚❤❡✐r ❝♦♥❥✉❣❛t❡s ❛r❡ r❡♣r❡s❡♥t❡❞ ❜② (ωα, sα) ❛♥❞ ❛r❡ ❣❛✉❣❡ tr❛♥s❢♦r♠❡❞ ❜②

δǫ,φω¯α = ǫm

γm¯λ

α

+φm(γmr)α,

δφsα = φm

γmλ¯

α

. ✭✷✳✸✹✮

■♥ ❛ str❛✐❣❤t ❛♥❛❧♦❣② ✇✐t❤ t❤❡ ♠✐♥✐♠❛❧ ❢♦r♠❛❧✐s♠✱ ♦♥❡ ❝❛♥ ❞❡r✐✈❡ t❤❡ ❖P❊✬s

λβ(z)ωα(y)∼

1

zy

δβα−1

2

λγm

α

γmC β

λ·C

, ✭✷✳✸✺✮

❛♥❞

rβ(z)sα(y)∼

1

z−y

δα β −

1 2

λγm

α

γmC β

λ·C

. ✭✷✳✸✻✮

❚❤❡ ❉❉❋ ♦♣❡r❛t♦rs ✇❡r❡ ✐♥tr♦❞✉❝❡❞ ✐♥ ❬✷✹❪ ❢♦r t❤❡ ❜♦s♦♥✐❝ str✐♥❣✳ ■t ✐s ✐♠♣♦rt❛♥t t♦ ♠❡♥t✐♦♥

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✶✹

❍❡r❡✱ Cα ✐s ❛ ❝♦♥st❛♥t ♣✉r❡ s♣✐♥♦r✳ ❉✉❡ t♦ ✭✷✳✸✸✮✱ ♦♥❡ ❝❛♥ ❡①♣❡❝t ❛ ♥♦♥ tr✐✈✐❛❧ ❖P❊

❜❡t✇❡❡♥ r ❛♥❞ ω✳ ■♥❞❡❡❞✱ ✐t ✐s str❛✐❣❤t❢♦r✇❛r❞ t♦ s❤♦✇ t❤❛t✿

rβ(z)ωα(y)∼

1

zy

1 2

r·C

λγm

α

γmC β

λ·C2 −

1 2

(rγm)α

γmC β

λ·C

. ✭✷✳✸✼✮

❆❧❧ ♦❢ t❤❡s❡ r❡❧❛t✐♦♥s ✇❡r❡ ♣♦st✉❧❛t❡❞ ✐♥ ❬✾❪✱ ✇❤❡r❡ t❤❡② ✇❡r❡ ♦❜t❛✐♥❡❞ r❡q✉✐r✐♥❣ λγmr❛♥❞

λγmλ t♦ ❜❡ r❡❣✉❧❛r ✇✐t❤ r❡s♣❡❝t t♦ ωα ❛♥❞ sα

❚❤❡r❡ ❛r❡ s❡✈❡r❛❧ ❣❛✉❣❡ ✐♥✈❛r✐❛♥t q✉❛♥t✐t✐❡s t❤❛t ❝❛♥ ❜❡ ❜✉✐❧t ♦✉t ♦❢ ωα ❛♥❞ sα

Nmn = 12λγ¯ mnω¯mns,

λ =−λ¯ω,¯ Tλ¯ =−ω∂¯ ¯λ−s∂r, Φ =rω,¯

S=λs, Smn = 1

2λγ¯ mns, Jr =rs.

✭✷✳✸✽✮

❍❡r❡✱ Nmn ✐s t❤❡ ▲♦r❡♥t③ ❣❡♥❡r❛t♦r✱ Tλ ✐s t❤❡ ❡♥❡r❣②✲♠♦♠❡♥t✉♠ t❡♥s♦r✱ ❛♥❞ Jλ¯ ❛♥❞ Jr

❛r❡ t❤❡ ❣❤♦st ♥✉♠❜❡r ❝✉rr❡♥ts✳ ❚❤❡ q✉❛♥t✉♠ ✈❡rs✐♦♥s ♦❢ t❤❡ ❛❜♦✈❡ ♦❜❥❡❝ts ❛r❡ s✉❜❥❡❝t t♦ ♦r❞❡r✐♥❣ ❡✛❡❝ts✳ ❆❣❛✐♥✱ ✐♥st❡❛❞ ♦❢ ✇♦r❦✐♥❣ ✇✐t❤ ✭✷✳✸✺✮✱ ✭✷✳✸✻✮ ❛♥❞ ✭✷✳✸✼✮✱ ✐t ✐s ♠✉❝❤ ♠♦r❡ ❝♦♥✈❡♥✐❡♥t t♦ ✉s❡ t❤❡ ❢r❡❡ ✜❡❧❞s ❝♦♠✐♥❣ ❢r♦♠ t❤❡ ✉s✉❛❧ U(5) ❞❡❝♦♠♣♦s✐t✐♦♥✳ ❆❧❧ ♦❢ t❤❡

♦r❞❡r✐♥❣ ❡✛❡❝ts t♦❣❡t❤❡r ✇✐t❤ t❤❡ r❡❧❡✈❛♥t ❖P❊✬s ❛r❡ ❣✐✈❡♥ ✐♥ ❛♣♣❡♥❞✐① ❇✳✸✳ ❚❤❡ r❡s✉❧ts ❝❛♥ ❜❡ s✉♠♠❛r✐③❡❞ ❛s ❢♦❧❧♦✇s✿

Tλ(z)Tλ(y) ∼ 2 Tλ (z−y)2 +

∂Tλ

(z−y), N

mn

(z)Tλ(y) ∼ Nmn

(z−y)2,

Jλ¯(z)Tλ(y) ∼ − 11 (z−y)3 +

Jλ

(z−y)2, S

mn(z)T

λ(y) ∼ S

mn (z−y)2,

Jr(z)Tλ(y) ∼ (z11y)3 + (zJr

−y)2, Φ (z)Tλ(y) ∼ Φ (z−y)2,

Φ (z)S(y) ∼ − 8 (z−y)2 −

Jλ+Jr

(z−y), S(z)Tλ(y) ∼ (zSy)2,

Tλ(z)rα(y) ∼ (z∂rαy), Tλ(z)λα(y) ∼ (∂λzαy),

Φ (z)λα(y) ∼ −(zrαy), Φ (z)Smn(y) ∼ N

mn (z−y),

Φ (z) Φ (y) r❡❣✉❧❛r, Nmn(z)Jλ¯(y) ∼ r❡❣✉❧❛r,

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✶✺

Jλ¯(z)J¯λ(y) ∼ −(z 5

−y)2, J¯λ(z)Jr(y) ∼ − 3 (z−y)2,

Nmn(z)Jr(y) ∼ r❡❣✉❧❛r, N mn

(z)S(y) r❡❣✉❧❛r, Nmn(z)λα(y) ∼ −12(

λγmn) α

(z−y) , Jr(z)Jr(y) ∼ 11 (z−y)2,

Nmn(z)rα(y) ∼ −12(rγ

mn) α

(z−y) , J¯λ(z)λα(y) ∼ (zλαy),

Jr(z)rα(y) ∼ (rzα(yy)), Jλ¯(z)rα(y) ∼ r❡❣✉❧❛r,

Jr(z)λα(y) ∼ r❡❣✉❧❛r.

◆♦t❡ t❤❛t t❤❡r❡ ❛r❡ ♥♦ ❝♦♥tr✐❜✉t✐♦♥s t♦ t❤❡ ❝❡♥tr❛❧ ❝❤❛r❣❡ ✭❛♥② ❝♦♥tr✐❜✉t✐♦♥ ❝♦♠✐♥❣ ❢r♦♠ t❤❡ ♥♦♥ ♠✐♥✐♠❛❧ s❡❝t♦r ✇♦✉❧❞ ✐♠♣❧② ❛ ❝♦♥❢♦r♠❛❧ ❛♥♦♠❛❧②✮ ❛♥❞ ♥♦ ❝♦♥tr✐❜✉t✐♦♥s t♦ t❤❡ ❧❡✈❡❧ ♦❢ t❤❡ ▲♦r❡♥t③ ❛❧❣❡❜r❛✹

❚❤❡ ♥♦♥✲♠✐♥✐♠❛❧ ❣❤♦sts ❡♥t❡r t❤❡ ❢♦r♠❛❧✐s♠ ✐♥ ❛ ✈❡r② s✐♠♣❧❡ ✇❛②✱❛s t❤❡ ❇❘❙❚ ❝❤❛r❣❡ ✐s ❞❡✜♥❡❞ t♦ ❜❡

Q≡

˛

(λαdα+ Φ)

JBRST(z)

. ✭✷✳✸✾✮

❚❤❡ s❛♠❡ ♥♦t❛t✐♦♥ ✇❛s ✉s❡❞ ❢♦r t❤❡ ❇❘❙❚ ❝❤❛r❣❡ ✐♥ t❤❡ ♠✐♥✐♠❛❧ ❢♦r♠❛❧✐s♠✱❜✉t ❢r♦♠ ♥♦✇ ♦♥✱♦♥❧② ✭✷✳✸✾✮ ✇✐❧❧ ❜❡ r❡❢❡rr❡❞ t♦ ❛s Q✳ ❚❤❡ ❝♦❤♦♠♦❧♦❣② ♦❢ ✭✷✳✸✾✮ ✐s ✐♥❞❡♣❡♥❞❡♥t ♦❢

λ, ω, r, s✱❛s ❝❛♥ ❜❡ s❡❡♥ ❢r♦♠ t❤❡ q✉❛rt❡t ❛r❣✉♠❡♥t✱❛♥❞ t❤❡r❡ ✐s ❛ st❛t❡ ξt❤❛t tr✐✈✐❛❧✐③❡s

✐t✱

ξ = λ·θ

λ·λ−r·θ, {Q, ξ}= 1.

❙✐♥❝❡rα ❛♥❞ θα ❛r❡ ❣r❛ss♠❛♥♥✐❛♥ ✈❛r✐❛❜❧❡s✱ ξ ❝❛♥ ❜❡ ❡①♣❛♥❞❡❞ ✐♥ ❛ ✜♥✐t❡ ♣♦✇❡r s❡r✐❡s ✐♥

t❡r♠s ♦❢ r·θ✳ ❇❡s✐❞❡s✱ rα ❤❛s ♦♥❧② 11 ✐♥❞❡♣❡♥❞❡♥t ❝♦♠♣♦♥❡♥ts✱✐♥ s✉❝❤ ❛ ✇❛② t❤❛t

ξ= λ·θ

λ·λ

11

n=0

r·θ λ·λ

n

.

❚❤❡r❡❢♦r❡✱♦♥❡ ✇❛② ♦❢ ❛✈♦✐❞✐♥❣ t❤❡ ❛♣♣❡❛r❛♥❝❡ ♦❢ ξ ✐s ❧✐♠✐t✐♥❣ t❤❡ ❛♠♦✉♥t ♦❢ ✐♥✈❡rs❡

♣♦✇❡rs ♦❢ λλ✳

■t ✐s ❛r❣✉❡❞ ✐♥ ❬✼❪ t❤❛t t❤❡ ♦❝❝✉rr❡♥❝❡ ♦❢ ξ ✐s ❞✐r❡❝t❧② r❡❧❛t❡❞ t♦ t❤❡ ♣✉r❡ s♣✐♥♦r ✐♥t❡✲

❣r❛t✐♦♥ ♠❡❛s✉r❡ ✐♥ ❛♠♣❧✐t✉❞❡ ❝❛❧❝✉❧❛t✐♦♥s✱✇❤❡r❡ ❛ ❞✐✈❡r❣❡♥❝❡ ♦❝❝✉rs ❢♦r ✐♥✈❡rs❡ ♣♦✇❡rs

❆s ♣♦✐♥t❡❞ ♦✉t ✐♥ ❬✾❪✱ t❤❡r❡ ✐s ❛ t②♣♦ ✐♥ t❤❡ Jr ❖P❊ ✇✐t❤ ✐ts❡❧❢ ✐♥ ❬✼❪ ❛♥❞ t❤❡✐r r❡s✉❧t ✐s ❝♦♥✜r♠❡❞

(25)

✶✻

❣r❡❛t❡r t❤❛♥ λ8λ11✳ ❈♦♥❝❡r♥✐♥❣ ❧♦♦♣ ❛♠♣❧✐t✉❞❡s✱ t❤❡ ♦❜str✉❝t✐♦♥ ✐s ❞✉❡ t♦ t❤❡ ❢❛❝t t❤❛t

❛ ❣❡♥✉s g >1❧♦♦♣ ♥❡❡❞s 3 (g1) b ❣❤♦st ✐♥s❡rt✐♦♥s✱ ✐♥❝r❡❛s✐♥❣ t❤❡ ❞✐✈❡r❣❡♥❝❡ ✐♥ λλ✳ ■♥

❬✽❪ ❛ r❡❣✉❧❛r✐③❛t✐♦♥ s❝❤❡♠❡ t❤❛t ♦✈❡r❝♦♠❡s t❤✐s ♣r♦❜❧❡♠ ✇❛s ❞❡✈❡❧♦♣❡❞✱ ❜✉t ✐ts ♣r❛❝t✐❝❛❧ ✐♠♣❧❡♠❡♥t❛t✐♦♥ st✐❧❧ ✈❡r② ❞✐✣❝✉❧t✳

❆s ✇✐❧❧ ❜❡ s❤♦✇♥ ✐♥ t❤❡ ♥❡①t s❡❝t✐♦♥✱ ✐♥✈❡rs❡ ♣♦✇❡rs ♦❢ λλ❛r❡ ❛ ❢✉♥❞❛♠❡♥t❛❧ ✐♥❣r❡❞✐❡♥t

(26)

❈❤❛♣t❡r ✸

❚❤❡

b

❣❤♦st

❚❤❡ r♦❧❡ ♦❢ t❤❡b❣❤♦st ✐♥ str✐♥❣ t❤❡♦r② ✐s ✈❡r② ❝❧❡❛r ✇❤❡♥❡✈❡r ♦♥❡ st❛rts ✇✐t❤ ❛♥ ❛❝t✐♦♥

t❤❛t ✐s 2D r❡♣❛r❛♠❡tr✐③❛t✐♦♥ ✐♥✈❛r✐❛♥t✱ ❛s ✐t ✐s r❡❧❛t❡❞ t♦ t❤❡ ♠♦❞✉❧❛r ❞❡s❝r✐♣t✐♦♥ ♦❢ t❤❡

✇♦r❧❞s❤❡❡t t♦♣♦❧♦❣②✳

■♥ t❤❡ ♣❛t❤ ✐♥t❡❣r❛❧ ❢♦r♠✉❧❛t✐♦♥✱ t❤❡ b ❣❤♦st ✐♥s❡rt✐♦♥s ❛r❡ ♦❢ t❤❡ ❢♦r♠

Bτ = ˆ

d2z{b(z)∂τg(z;τ)}, ✭✸✳✶✮

✇❤❡r❡ τ r❡♣r❡s❡♥ts t❤❡ ♠♦❞✉❧✐ ♣❛r❛♠❡t❡rs ❛♥❞ g ✐s t❤❡ ✇♦r❧❞s❤❡❡t ♠❡tr✐❝ ✭♠♦r❡ ❞❡t❛✐❧s

❝❛♥ ❜❡ ❢♦✉♥❞ ✐♥ ❬✷✻❪ ❛♥❞ r❡❢❡r❡♥❝❡s t❤❡r❡✐♥✮✳ ❚❤❡ ❦❡② ♣r♦♣❡rt② ♦❢ t❤❡ b ❣❤♦st ✐s

{Q, b}=T, ✭✸✳✷✮

✇❤❡r❡T ✐s t❤❡ ❢✉❧❧ ❡♥❡r❣②✲♠♦♠❡♥t✉♠ t❡♥s♦r ♦❢ t❤❡ t❤❡♦r② ✉♥❞❡r ❝♦♥s✐❞❡r❛t✐♦♥✳ ❚♦❣❡t❤❡r

✇✐t❤ ❡q✉❛t✐♦♥ ✭✸✳✶✮✱ ✐t ❡♥s✉r❡s t❤❡ ❇❘❙❚ ✐♥✈❛r✐❛♥❝❡ ♦❢ ❧♦♦♣ ❛♠♣❧✐t✉❞❡s ✉♣ t♦ s✉r❢❛❝❡ t❡r♠s ✐♥ t❤❡ ♠♦❞✉❧✐ s♣❛❝❡ ✐♥t❡❣r❛t✐♦♥✳ ❚❤✉s✱ t❤❡ b ❣❤♦st ❝♦♠✐♥❣ ❢r♦♠ ❣❛✉❣❡ ✜①✐♥❣ t❤❡

r❡♣❛r❛♠❡tr✐③❛t✐♦♥ s②♠♠❡tr② ♣r♦✈✐❞❡s ❛ ♥❛t✉r❛❧ ✇❛② t♦ ❜✉✐❧❞ ❧♦♦♣s✳

■♥ t❤❡ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠✱ ❤♦✇❡✈❡r✱ ♦♥❡ st❛rts ✇✐t❤ ❛♥ ❛❝t✐♦♥ ✐♥ t❤❡ ❝♦♥❢♦r♠❛❧ ❣❛✉❣❡✱ ❛♥❞ t❤❡r❡ ✐s ♥♦ ❦♥♦✇♥ ❣❛✉❣❡ ✜①✐♥❣ ♣r♦❝❡❞✉r❡ t❤❛t ❛❝❝♦✉♥ts ❢♦r t❤❡ ♦r✐❣✐♥ ♦❢ t❤❡ ♣✉r❡ s♣✐♥♦r ❇❘❙❚✲❧✐❦❡ ❝❤❛r❣❡✱ ❛♥❞ ✇♦r❧❞s❤❡❡t r❡♣❛r❛♠❡tr✐③❛t✐♦♥ s②♠♠❡tr② ✐s ❤✐❞❞❡♥ ✐♥ t❤✐s ❛♣♣r♦❛❝❤✳

(27)

✶✽

❚❤❡r❡❢♦r❡✱ ✐♥ ♦r❞❡r t♦ ❜✉✐❧❞ ❛♥ ❛♠♣❧✐t✉❞❡ ♣r❡s❝r✐♣t✐♦♥ ✐♥ t❤❡ ♣✉r❡ s♣✐♥♦r s✉♣❡rstr✐♥❣ t❤❛t ❤❛s t❤❡ ♥✐❝❡ ❣❡♦♠❡tr✐❝ ✐♥t❡r♣r❡t❛t✐♦♥ ♦❢ t❤❡ tr❛❞✐t✐♦♥❛❧ ❢♦r♠❛❧✐s♠s✱ ✐t ✐s ♥❡❝❡ss❛r② t♦ ❤❛✈❡ ❛ ✜❡❧❞ ❛❝t✐♥❣ ❛s ❛ b ❣❤♦st✱ ❛s t❤❡r❡ ✐s ♥♦ ❢✉♥❞❛♠❡♥t❛❧ ♦♥❡✳

❚❤✐s ❝❤❛♣t❡r ✇✐❧❧ ♣r❡s❡♥t t❤❡ ❝♦♥str✉❝t✐♦♥ ♦❢ t❤❡ b ❣❤♦st ✐♥ t❤❡ ♥♦♥✲♠✐♥✐♠❛❧ ♣✉r❡

s♣✐♥♦r ❢♦r♠❛❧✐s♠✱ t♦❣❡t❤❡r ✇✐t❤ s♦♠❡ ♦❢ ✐ts ♠❛✐♥ ♣r♦♣❡rt✐❡s✱ ✇❤❡r❡ s♣❡❝✐❛❧ ❛tt❡♥t✐♦♥ ✇✐❧❧ ❜❡ ❞❡✈♦t❡❞ t♦ t❤❡ ♠♦st r❡❝❡♥t r❡s✉❧ts✳

✸✳✶ ❉❡✜♥✐t✐♦♥ ❛♥❞ ❈♦♥str✉❝t✐♦♥

❆s ✐♥tr♦❞✉❝❡❞ ✐♥✐t✐❛❧❧② ✐♥ ❬✻❪❢♦r t❤❡ ♠✐♥✐♠❛❧ ❛♥❞ ❡①t❡♥❞❡❞ ✐♥ ❬✼❪t♦ t❤❡ ♥♦♥✲♠✐♥✐♠❛❧ ♣✉r❡ s♣✐♥♦r ❢♦r♠❛❧✐s♠✱ t❤❡ ❝♦♥str✉❝t✐♦♥ ♦❢ t❤❡ b ❣❤♦st ✐s ❜❛s❡❞ ♦♥ ❛ ❝❤❛✐♥ ♦❢ ♦♣❡r❛t♦rs

s❛t✐s❢②✐♥❣ s♦♠❡ s♣❡❝✐❛❧ r❡❧❛t✐♦♥s✱ t❤❛t ✇✐❧❧ ❜❡ r❡✈✐❡✇❡❞ ❜❡❧♦✇✳

■♥ t❤❡ ♠✐♥✐♠❛❧ ❢♦r♠❛❧✐s♠✱ t❤❡r❡ ✐s ❛ ♥❛t✉r❛❧ st❛rt✐♥❣ ♣♦✐♥t✳ ❙✐♥❝❡ t❤❡ ❇❘❙❚ ❝❤❛r❣❡ ❝♦♥t❛✐♥sλαp

α ❛♥❞ ♣❛rt ♦❢ t❤❡ ❡♥❡r❣② ♠♦♠❡♥t✉♠ t❡♥s♦r ✐s ❣✐✈❡♥ ❜② −pα∂θα−ωα∂λα✱ ♦♥❡

❝❛♥ ❡①♣❡❝t t❤❛t

b❝❧ =−ωα∂θα+· · ·

❚❤❡ s✉❜s❝r✐♣t ❝❧ ♠❡❛♥s t❤❛t ♦♥❧② ❝❧❛ss✐❝❛❧ ❝♦♠♠✉t❛t✐♦♥ r❡❧❛t✐♦♥s ❛r❡ ❜❡✐♥❣ ✉s❡❞ ✭♥♦ q✉❛♥t✉♠ ♦r❞❡r✐♥❣ ❡✛❡❝ts✱ t❤❛t ✇✐❧❧ ❜❡ ❞❡❛❧t ✇✐t❤ ✐♥ t❤❡ ♥❡①t s✉❜s❡❝t✐♦♥✮ ❛♥❞ t❤❡ . . .

st❛♥❞ ❢♦r ♣♦ss✐❜❧❡ ❡①tr❛ ❝♦♥tr✐❜✉t✐♦♥s✱ ❛s ✇✐❧❧ ❜❡ ❡①♣❧❛✐♥❡❞✳

❆❧t❤♦✉❣❤ s✐♠♣❧❡✱ t❤✐s t❡r♠ ❤❛s ♥♦t t❤❡ ωα ❣❛✉❣❡ ✐♥✈❛r✐❛♥❝❡ ✭✐♥ ❣❛✉❣❡ ✜①✐♥❣ ✐t✱ s♦♠❡

♦❢ t❤❡ ∂θα ❝♦♠♣♦♥❡♥ts ❞❡❝♦✉♣❧❡✮✳ ■t ❝❛♥ ❜❡ ❞✐r❡❝t❧② s❡❡♥ ❢r♦♠ ✭✷✳✷✸✮ t❤❛t ♦♥❡ ❝❛♥ ❜✉✐❧❞

❛ ♥♦♥ ❝♦✈❛r✐❛♥t ❣❛✉❣❡ ✐♥✈❛r✐❛♥t ❢♦r♠ ♦❢ ωα ❬✶✻❪✱ ❣✐✈❡♥ ❜②

˜

ωα(C) = ωα−

(ωγmC) (γmλ)α

2Cλ .

■♥s❡rt✐♥❣ ✐t ✐♥ t❤❡ ❡①♣r❡ss✐♦♥ ♦❢ b❝❧ ❛❜♦✈❡✱

b❝❧ = ω˜α∂θα+. . .

= −1

4Nmn

(Cγmn∂θ)

Cλ −

1 4J

(C∂θ)

Cλ +. . .

✇❤❡r❡✱ ✐♥ t❤❡ s❡❝♦♥❞ ❧✐♥❡✱ t❤❡ ✐❞❡♥t✐t② ✭❆✳✸✮ ✇❛s ✉s❡❞ ✐♥ ♦r❞❡r t♦ ♠❛❦❡ t❤❡ ❝♦♥str✉❝t✐♦♥ ❡①♣❧✐❝✐t❧② ❣❛✉❣❡ ✐♥✈❛r✐❛♥t✳ ❚❤❡ . . .st❛♥❞ ❢♦r ❛ t❡r♠ r❡❧❛t❡❞ t♦ Xm✱ t❤❛t ❝❧♦s❡s t❤❡ r❡❧❛t✐♦♥

Referências

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