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Math-Net.Ru

Общероссийский математический портал

А. А. Атанасов, А. Т. Маринов, ~ -Разложение для связанных состояний, опи- сываемых релятивистским трехмерным двухчастичным квазипотенциальным уравнением, ТМФ , 2001, том 129, номер 1, 106–115

DOI: https://doi.org/10.4213/tmf523

Использование Общероссийского математического портала Math-Net.Ru подразумевает, что вы прочитали и согласны с пользовательским соглашением

http://www.mathnet.ru/rus/agreement Параметры загрузки:

IP: 139.59.245.186

6 ноября 2022 г., 23:01:43

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á뢠¥¬ëåãà ¢­¥­¨¥¬(3). ‚á¥à¥§ã«ìâ âë,¯®«ã祭­ë¥¤«ïãà ¢­¥­¨ï˜à¥¤¨­£¥à á

業âà «ì­ë¬¯®â¥­æ¨ «®¬[11],[12],¯à¨¬¥­¨¬ë¨¢á«ãç ¥ãà ¢­¥­¨ï(3). ¯à¨¬¥à,¨áÄ

¯®«ì§ãï¯à¨¡«¨¦¥­­®¥ãà ¢­¥­¨¥(3) ,¯®«ãç ¥¬,ç⮬ ááëá¢ï§ ­­ëåá®áâ®ï­¨©ã¤®¢Ä

«¥â¢®àïî⭥ࠢ¥­á⢠¬

M

n+l;l

Mn;l

; M

n;l+1

Mn;l

; M

l+1

Ml

M

l

Ml

1

2l+3

2l+1

l

l+2

2

;

¥á«¨

1

r 2

d

dr r

2 dV

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0

¤«ïª ¦¤®£®r>0.DZ®áà ¢­¥­¨î᭥५ï⨢¨áâ᪨¬ãà ¢­¥­¨¥¬˜à¥¤¨­£¥à à §«¨Ä

ç¨ï¢®§­¨ª î⤫ïá⥯¥­­®£®¯®â¥­æ¨ « V(r)=Ar

¯à¨ ­ «¨§¥ãà ¢­¥­¨ï(3). ‚

í⮬á«ãç ¥,¯®« £ ï=(+2)=(2),¯®«ãç ¥¬¤«ï®á­®¢­®£®á®áâ®ï­¨ï­¥à ¢¥­á⢠

(M

l+1 c

2

2mc2)

(Mlc2

2mc2)

(M

l c

2

2mc2)

(Ml

1c2

2mc2)

1;

¥á«¨

Y = +2

2

0

¤«ïª ¦¤®£®r>0.

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(M)=

0

(M)

1+(2n+1)

+2

2

~

+

(

2)(+1)

144

0 (M)

(6n 2

+6n+1)

~

2+O(

~

3); (7)

£¤¥

0 (M)=

2"(M)

mA(+2)

+2

2

r

mA

2

: (8)

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ª¢ §¨¯®â¥­æ¨ «ì­®£®ãà ¢­¥­¨ï¤«ï«¨­¥©­®£®¯®â¥­æ¨ « ¢¯¥à¢ë¥à áᬠâਢ « áì¢

à ¡®â¥[12],£¤¥¨á¯®«ì§®¢ «®á쨭⥣ࠫ쭮¥¯à¥®¡à §®¢ ­¨¥‹ ¯« á .ˆ§¯¥à¢ë夢ãå

§­ ç¥­¨©íªá¯¥à¨¬¥­â «ì­®®¯à¥¤¥«¥­­ë嬠áá¢ëç¨á«ïîâá类íää¨æ¨¥­âA ¨¬ áá 

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¨®áâ «ì­ë¥¬ ááë. Œë¯à¨¬¥­ï¥¬¬¥â®¤

~

-à §«®¦¥­¨ï(5),(7),(8)¤«ï®¯¨á ­¨ïâ¥å

¦¥ á ¬ëåá¢ï§ ­­ëåá®áâ®ï­¨©¢á¨á⥬¥¥¤¨­¨æ

~

=c=1(íªá¯¥à¨¬¥­â «ì­ë¥¤ ­Ä

­ë¥¢§ïâë­ ¬¨¨§®¡§®à [13]).¥§ã«ìâ âë¯à¨¢¥¤¥­ë¢â ¡«¨æ å,£¤¥â ª¦¥ãª § ­ë

íªá¯¥à¨¬¥­â «ì­®®¯à¥¤¥«¥­­ë¥¬ áá뤫ïç à¬®­¨ï¨-¬¥§®­ . ‚â ¡«.1¯à¨¢¥¤¥­ë

¬ ááëá¢ï§ ­­ëåá®áâ®ï­¨©(ƒí‚)cc-á¨á⥬ë, ¢â ¡«.2{-á¨á⥬ë. ‚®¡®¨åá«ãç Ä

ï墧ï⫨­¥©­ë©¯®â¥­æ¨ «V(r)=Ar. „«ï¯ à ¬¥â஢A¨m¯®«ãç îâá吝 ç¥­¨ï

A

c

=0:199ƒí‚

2

, m

c

=1:15ƒí‚, A

=0:176ƒí‚

2

, m

=0:06ƒí‚.

’ ¡«¨æ 1

íªá¯¥à¨¬¥­â ⥮à¨ï

1s 3.09688 3.097

2s 3.686 3.686

3s 4.04 4.167

4s 4.415 4.593

1p 3.55617 3.446

’ ¡«¨æ 2

íªá¯¥à¨¬¥­â ⥮à¨ï

1s 0.7685 0.77

2s 1.230 1.25

3s 1.667 1.642

4s 1.989

5s 2.306

‘®®â­®è¥­¨ï (5), (7), (8) ¬®¦­® ¯à¨¬¥­¨âì ¨ ªªã«®­®¢áª®¬ã¯®â¥­æ¨ «ãV(r)=

b=r, b>0,¤«ïª®â®à®£®¢â®à®©ç«¥­¢(7)à ¢¥­­ã«î,¢à¥§ã«ìâ â¥ç¥£®¯®«ãç ¥âáï

ᮮ⭮襭¨¥

M=2m

b

2

m

4(n+l+1) 2

: (9)

‚à ¡®â¥[14]¯®ª § ­®,çâ®â®ç­ë¥à¥è¥­¨ïãà ¢­¥­¨ï(1)¤«ïªã«®­®¢áª®£®¯®â¥­æ¨ « 

®¯à¥¤¥«ïîâáïãá«®¢¨¥¬ª¢ ­â®¢ ­¨ï

M =2m

s

1

b

2

4(n+l+1) 2

; (10)

(8)

112

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ª®â®à®¥á®¢¯ ¤ ¥âáᮮ⭮襭¨¥¬(9) ,¥á«¨à §«®¦¨âì(10)¢à勞®á⥯¥­ï¬b¨®£à Ä

­¨ç¨âìáïç«¥­ ¬¨,ᮤ¥à¦ é¨¬¨â®«ìª®b 2

.

Ž¤­¨¬¨§­ ¨¡®«¥¥¯®¯ã«ïà­ë寮⥭樠«®¢qq-¢§ ¨¬®¤¥©á⢨ïï¥âá类୥«ìá-

ª¨©¯®â¥­æ¨ «

V(r)=

b

r

+ar+V

0

: (11)

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 «(11)¢¥¤¥âᥡ猪ªªã«®­®¢áª¨©­ ¬ «ëåà ááâ®ï­¨ïå, ã¤¥à¦¨¢ î騩ª¢ àª¨¯®Ä

⥭樠««¨­¥©­®à áâ¥â­ ¡®«ìè¨åà ááâ®ï­¨ïå.Œë¯à¥¤¯®« £ ¥¬,ç⮢५ï⨢¨áâÄ

᪮¬ª®­ä¨£ãà æ¨®­­®¬¯à¥¤áâ ¢«¥­¨¨¯®â¥­æ¨ «(11)â ª¦¥¬®¦¥â¯à¨¬¥­ïâìá狼ï

®¯¨á ­¨ïqq-¢§ ¨¬®¤¥©á⢨ï.

‚á«ãç ¥¯®â¥­æ¨ « (11)¤«ïâ®çª¨¬¨­¨¬ã¬ íä䥪⨢­®£®¯®â¥­æ¨ « ¯®«ãç ¥¬

r

0

= 1

3ma

"(M)

mV0+

q

"(M)

mV0

2

+3m 2

ab

:

¥¤¦¥-âà ¥ªâ®à¨¨®¯à¥¤¥«ïîâáïãà ¢­¥­¨¥¬(5)᪮íää¨æ¨¥­â ¬¨

0 (M)=

h

mr 0

2

(b+r 2

0 )

i

1

2

;

1

(M)=

1

2

"

1+q

b+3ar 2

0

b+ar 2

0

1

2

#

;

2 (M)=

ar 2

0

16

0 (M)

2(q

2

1)b2+(15q2

1)abr20

3(q2

1)a2r04

(b+ar 2

0 )

2

(b+3ar 2

0 )

2

;

(12)

£¤¥ q=2n+1, n=0;1;2;:::. DZ®«ã祭ë¯à®áâë¥ä®à¬ã«ë¤«ï ®¯à¥¤¥«¥­¨ï ।Ä

¦¥-âà ¥ªâ®à¨©. ‘¨å¯®¬®éìî ¬®¦­®¢ëç¨á«¨âìᯥªâà묠áá ¬¥§®­®¢,à áᬠâà¨Ä

¢ ¥¬ë媠ªá¨á⥬ë,á®áâ®ï騥¨§¤¢ã媢 àª®¢.

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¥§ã«ìâ âëà¥è¥­¨ïãà ¢­¥­¨ï(3)᪮୥«ì᪨¬¯®â¥­æ¨ «®¬(11)¯à¨¯®¬®é¨

~

- à §«®¦¥­¨ï¬ë¯à¨¬¥­¨«¨¤«ï¢ëç¨á«¥­¨ï¬ ááM

cc

¨M

b

b

¢¥ªâ®à­ë嬥§®­®¢.ˆ§à¥¤-

¦¥-âà ¥ªâ®à¨©áª®íää¨æ¨¥­â ¬¨(12)¢á¨á⥬¥

~

=c=1¯®«ã稬á¢ï§ì¬¥¦¤ãM,n,l

¨¯ à ¬¥âà ¬¨b,a,V

0

,m,ª®â®à륮¯à¥¤¥«ïîâáﯮ¤£®­ª®©ªíªá¯¥à¨¬¥­â «ì­ë¬¤ ­Ä

­ë¬¤«ï¬ áácc-¨b

b-¬¥§®­®¢[13].DZ®¤£®­ïﯠࠬ¥âà뤫ïcc-¨b

b-á¨á⥬,¯®«ãç ¥¬:

¤«ï cc: b=0:520; a=0:159ƒí‚

2

; V

0

=

0:307ƒí‚; mc=1:566ƒí‚;

¤«ï b

b: b=0:508; a=0:159ƒí‚

2

; V

0

=

0:307ƒí‚; mb=4:959ƒí‚:

Žç¥¢¨¤­®, ª®íää¨æ¨¥­âë a ¨ V

0

­¥ § ¢¨áïâ ®â  à®¬ â®¢ ª¢ àª®¢. ¥à¥«ïâ¨Ä

¢¨áâáªãî í­¥à£¨î á¢ï§¨ W

nonrel

=~p 2

=m ¬®¦­® ¯®«ãç¨âì ¨§ ᮮ⭮襭¨ï W =

2

mW

nonrel +m

2

2m. —⮡ë ãç¥áâì ५ï⨢¨áâ᪨¥ ¯®¯à ¢ª¨, ¬ë áà ¢­¨¢ ¥¬

१ã«ìâ âë à ¡®âëáᮮ⢥âáâ¢ãî騬¨­¥à¥«ï⨢¨áâ᪨¬¨à áç¥â ¬¨. ¥§ã«ìâ âë

ç¨á«¥­­®£®à áç¥â M

b

b

¨M

cc

¬¥§®­®¢¯à¨¢¥¤¥­ëᮮ⢥âá⢥­­®¢â ¡«¨æ å3¨4. ‚

íâ¨å¦¥â ¡«¨æ å㪠§ ­ë¬ ááë,¯®«ã祭­ë¥¯à¨¨á¯®«ì§®¢ ­¨¨­¥à¥«ï⨢¨áâ᪮£®

¯®¤å®¤ ¨ íªá¯¥à¨¬¥­â «ì­ë¥¤ ­­ë¥. ‚ᥬ ááë¢â ¡«¨æ å¤ ­ë ¢ƒí‚.

’à ¥ªâ®à¨¨¥¤¦¥b

b-¨cc-¬¥§®­®¢¨§®¡à ¦¥­ëᮮ⢥âá⢥­­®­ à¨á.1¨2.ˆ§íâ¨å

à¨áã­ª®¢¢¨¤­ â¥­¤¥­æ¨ï¯à¨¡«¨¦¥­¨ïª«¨­¥©­®©§ ¢¨á¨¬®á⨯ਢë᮪¨åà ¤¨ «ìÄ

­ë墮§¡ã¦¤¥­¨ïå.

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‚¤ ­­®©à ¡®â¥­ ©¤¥­à¥«ï⨢¨áâ᪨© ­ «®£å®à®è®¨§¢¥áâ­®©á奬ë

~

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£®ãà ¢­¥­¨ï¢à¥«ï⨢¨áâ᪮¬ª®­ä¨£ãà æ¨®­­®¬¯à¥¤áâ ¢«¥­¨¨. Œ¥â®¤ï¢«ï¥âáï­¥Ä

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114

’ ¡«¨æ 3

íªá¯¥à¨¬¥­â ­¥à¥«.¯à¨¡«. ५.¯à¨¡«.

1s 9.46037 9.452 9.457

2s 10.0233 10.022 10.025

3s 10.3553 10.336 10.352

4s 10.58 10.574 10.607

5s 10.865 10.776 10.828

6s 11.019 10.955 11.027

1p 9.9132 9.917 9.918

’ ¡«¨æ 4

íªá¯¥à¨¬¥­â ­¥à¥«.¯à¨¡«. ५.¯à¨¡«.

1s 3.09688 3.094 3.097

2s 3.686 3.597 3.667

3s 4.04 3.917 4.072

4s 4.415 4.167 4.415

1p 3.55617 3.449 3.491

¯¥àâãࡠ⨢­ë¬,â ªª ª­¥¨á¯®«ì§ã¥âáïà §«®¦¥­¨¥¯®ª®­áâ ­â¥á¢ï§¨.€­ «¨§á¢ïÄ

§ ­­ëåá®áâ®ï­¨©á¥£®¯®¬®éìî᢮¤¨âá猪«£¥¡à ¨ç¥áª®©¯à®æ¥¤ãà¥,®á­®¢ ­­®©­ 

¨á¯®«ì§®¢ ­¨¨¯à®áâëå४ãà७â­ëåᮮ⭮襭¨©. • à ªâ¥à­®©®á®¡¥­­®áâìîà áÄ

ᬠâਢ ¥¬®£®¯®¤å®¤ ï¢«ï¥âá§¬®¦­®áâ쯮«ã祭¨ï¯à¨¡«¨¦¥­¨©,ãç¨â뢠îé¨å

¡®«¥¥¢ë᮪¨¥á⥯¥­¨

~

.

Ž¤­ ª®­ ¤®®â¬¥â¨âì,ç⮡®«¥¥¤¥â «ì­®¥áà ¢­¥­¨¥áíªá¯¥à¨¬¥­â®¬¨®¡á㦤¥Ä

­¨¥á¯¥ªâà á«¥¤ã¥â¯à®¢®¤¨â쫨è쯮᫥¢ª«î祭¨ï§ ¢¨á¨¬®á⨮âᯨ­®¢ª¢ àª®¢.

â㧠¤ ç㬮¦­®à¥è¨âì­ ®á­®¢¥âà¥å¬¥à­®£®ä®à¬ «¨§¬ ¤«ï®¯¨á ­¨ïç áâ¨æá®

ᯨ­®¬1=2[15].

‘¯¨á®ª«¨â¥à âãàë

[1] ‚.ƒ. Š ¤ë襢᪨©, .Œ. Œ¨à-Š á¨¬®¢, •.. ‘ª çª®¢. —€Ÿ. 1972. ’. 2. ‚ë¯.3.

‘.636.

[2] ….DZ.†¨¤ª®¢,‚.ƒ.Š ¤ë襢᪨©, ž.‚.Š âë襢. ’Œ”.1970.’.3.ò2.‘.191.

[3] ..‘ª çª®¢,ˆ.‹.‘®«®¢æ®¢. Ÿ”.1980.’.31.‚ë¯.5.‘.1332.

(11)

[4] €.€.€â ­ á®¢,….‘.DZ¨á ­®¢ . ’Œ”.1991.’.89.ò2.‘.222.

[5] N.A.Kobilinsky,S.S.Stepanov, R.S.Tutik. Z.Phys.C.1990.V.47.ò3.P.469.

[6] ‘.‘.‘⥯ ­®¢,.‘.’ã⨪. ’Œ”.1992.’.90.ò2.‘.208.

[7] N.A. Kobilinsky, S.S. Stepanov, R.S. Tutik.

~

-expansionfor Regge-trajectories.1. The

Schrodingerequation.PreprintITP{89{57E.Kiev,1989.

[8] €.€.€â ­ á®¢,€.’.Œ à¨­®¢. Ÿ”.1998.’.61.ò4.‘.734.

[9] E.D. Kagarmanov, R.M.Mir-Kasimov, Sh.M. Nagiev. Canwetreattheconnementasa

purerelativisticeect?PreprintICTPIC/89/43.Triest,1989.

[10]W.Buchmuller, S.H.H.Tye.Thequark-antiquarkp otentialandquantumchromo dynamics.

PreprintFERMILAB{conf81/38{THY.Batavia,1981.

[11]B.Baumgartner, H.Grosse,A.Martin. Phys.Lett.B.1984.V.146.ò5.P.363.

[12]F.Paccanoni,S.S.Stepanov,R.S.Tutik. EuroPhys.Lett.1993. V.23.ò8.P.543.

[13] EurPhys.J.C.1998.V.3.ò1{4.P.1{794.ReviewofParticlePhysics.

[14]….€.„¥©,‚..Š ¯è ©,..‘ª çª®¢. ’Œ”.1986.’.69.ò1.‘.55.

[15]..‘ª çª®¢,ˆ.‹.‘®«®¢æ®¢. —€Ÿ.1978.’.9.‚ë¯.1.‘.5.

DZ®áâ㯨« ¢à¥¤ ªæ¨î 30.I.2001£.

Referências

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