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Symmetry breaking

Symmetry-breaking study with deformed ensembles

Symmetry-breaking study with deformed ensembles

... isospin symmetry breaking in odd-odd nuclei such as 26 ...important symmetry by the applications of two statistics: the short-range, nearest- neighbor level spacing distribution 共NND兲 and the long- ...

5

Excitonic instabilities and spontaneous time-reversal symmetry breaking on the honeycomb lattice

Excitonic instabilities and spontaneous time-reversal symmetry breaking on the honeycomb lattice

... surface. The origin of the instability is closely related to the singularity of the FL polarization function in Eq. (28). We demonstrate this destabilization in two models, both of which stabilizes an uniform XL phase at ...

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Symmetry breaking on density in escaping ants: experiment and alarm pheromone model.

Symmetry breaking on density in escaping ants: experiment and alarm pheromone model.

... study symmetry breaking relative to ...on symmetry breaking and the ever-increasing collective asymmetry in models with the alignment ...induced symmetry breaking from previous ...

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D-n-forced symmetry breaking of O(2)-equivariant problems

D-n-forced symmetry breaking of O(2)-equivariant problems

... When the bifurcation equation is the gradient of a parametrized functional, this structure is not preserved by a generic contact equivalence. But contact equivalence still induces an equivalence relation on the set of ...

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Population structure induces a symmetry breaking favoring the emergence of cooperation.

Population structure induces a symmetry breaking favoring the emergence of cooperation.

... a symmetry breaking of the game, as contributions made by cooperators may become contingent on the social context in which the individual is ...the symmetry breaking induced by population ...

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In silico reconstitution of actin-based symmetry breaking and motility.

In silico reconstitution of actin-based symmetry breaking and motility.

... the symmetry-breaking mechanism combined with a pressure-induced transition from brittle to plastic network ...during symmetry breaking, network produced at the bead surface tends to be pushed ...

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Critical coupling for chiral symmetry breaking in QCD motivated models

Critical coupling for chiral symmetry breaking in QCD motivated models

... Instituto de Fı´sica Teo´rica, Universidade Estadual Paulista, Rua Pamplona 145, 01405-900, Sa ˜o Paulo, SP, Brazil ~Received 21 January 2000; revised manuscript received 8 June 2000; published 3 October 2000! We ...

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Chiral symmetry breaking with a confining propagator and dynamically massive gluons

Chiral symmetry breaking with a confining propagator and dynamically massive gluons

... chiral symmetry [17, 18]; b) In the case of adjoint fermions we may have CSB without confinement [19], what may be due to the large Casimir value present in the gap equation with massive one-gluon exchange [10, ...

12

Aspects of semilocal BPS vortex in systems with Lorentz symmetry breaking

Aspects of semilocal BPS vortex in systems with Lorentz symmetry breaking

... Lorentz-symmetry- breaking term, the interesting one, which does not jeopar- dize the formal construction of the stable BPS solutions, is given when κ 0i vanishes, leading to the functional form ...

5

Vector models with spontaneous Lorentz-symmetry breaking

Vector models with spontaneous Lorentz-symmetry breaking

... Lorentz-symmetry breaking (LSB) is to consider its spontaneous version, which yields Goldstone bosons (GBs) of tensorial character as opposed to the standard Higgs mechanism with scalar ...Lorentz ...

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Hecate/Grip2a acts to reorganize the cytoskeleton in the symmetry-breaking event of embryonic axis induction.

Hecate/Grip2a acts to reorganize the cytoskeleton in the symmetry-breaking event of embryonic axis induction.

... off-center, symmetry-breaking shift in initially symmetrically localized putative dorsal determinants, while the latter acts as a more general conduit that amplifies the early ...initial ...

19

Gastrulation as a self-organized symmetry breaking process

Gastrulation as a self-organized symmetry breaking process

... in breaking its initial ...sagittal symmetry plane or dorso-ventral ...of symmetry breaking is given by the intrinsic dynamics of the ...

12

A Model for Direction Sensing in Dictyostelium discoideum: Ras Activity and Symmetry Breaking Driven by a Gβγ-Mediated, Gα2-Ric8 -- Dependent Signal Transduction Network.

A Model for Direction Sensing in Dictyostelium discoideum: Ras Activity and Symmetry Breaking Driven by a Gβγ-Mediated, Gα2-Ric8 -- Dependent Signal Transduction Network.

... phase, symmetry is broken and Ras is reactivated exclusively at the up-gradient side of the ...Ras symmetry breaking does not depend on the presence of the actin cytoskeleton—treatment of cells with ...

40

Symmetry breaking in a localized interacting binary Bose-Einstein condensate in a bichromatic optical lattice

Symmetry breaking in a localized interacting binary Bose-Einstein condensate in a bichromatic optical lattice

... In Sec. II, we present a brief account of (i) the two- component 1D GP equation, (ii) the bichromatic OL potentials used in our study, and (iii) a time-dependent variational analysis of the GP equation under appropriate ...

8

Comment on Time-reversal symmetry-breaking superconductivity

Comment on Time-reversal symmetry-breaking superconductivity

... ~Received 15 July 1999; revised manuscript received 26 September 2000; published 18 May 2001! It is pointed out that erroneous Bardeen-Cooper-Schrieffer model equations have been used by Haranath Ghosh in his recent ...

2

DYNAMICAL CHIRAL-SYMMETRY BREAKING AND EXOTIC QUARK REPRESENTATIONS

DYNAMICAL CHIRAL-SYMMETRY BREAKING AND EXOTIC QUARK REPRESENTATIONS

... Using the effective potential for composite operators to study the chiral-symmetry-breaking tran- sition in QCD, we examine a conjecture made by Marciano concerning the mass scale at whi[r] ...

2

Demixing and symmetry breaking in binary dipolar Bose-Einstein-condensate solitons

Demixing and symmetry breaking in binary dipolar Bose-Einstein-condensate solitons

... the symmetry of the initial ...the symmetry-broken spatially asymmetric binary solitons with the same parameters as used in the spatially symmetric binary ...the symmetry-broken initial state and ...

10

Casimir effect in presence of spontaneous Lorentz symmetry breaking

Casimir effect in presence of spontaneous Lorentz symmetry breaking

... Interest in Lorentz violation has grown rapidly in the last decades since many candidate theories of quantum gravity [1, 2], such as string theory [3, 4] and loop quantum gravity [5, 6, 7], possess scenarios involving ...

9

Quím. Nova  vol.40 número5

Quím. Nova vol.40 número5

... puckered from their planar configurations due to the symmetry breaking phenomenon has been investigated through the PJTE. To do so, their planar configuration restores ether by coordinating two anions, ...

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