Chiral symmetry
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
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 ...
7
Chiral symmetry breaking with a confining propagator and dynamically massive gluons
... QCD has two main properties: the chiral symmetry breaking (CSB) or dynamical quark mass generation and confinement of quarks and gluons. Both phenomena are related to the non- perturbative infrared (IR) ...
12
Braz. J. Phys. vol.37 número1B
... and most likely both transitions are in the crossover domain [14]. The phase diagram illustrating the quark mass depen- dence of the deconfinining and the chiral symmetry restoring transition has been ...
5
Braz. J. Phys. vol.36 número1B
... follows. The quark condensate and the dynamical mass de- crease as q gets smaller than one, and chiral symmetry would be restored in the limit q → 0 [5]. This effect is specially observed at low ...
10
Braz. J. Phys. vol.34 número1A
... of chiral symmetry breaking present in QCD, we adopt a simple low-energy effective chi- ral model: the linear σ-model coupled to quarks [14], which in turn comprise the hydrodynamic degrees of freedom of ...
3
Dissipative hydrodynamics coupled to chiral fields
... to chiral fields were considered ...the chiral fields rather than on the influence of their dynamics on hadronic observables, which is the main focus ...(chiral) symmetry-breaking hy- ...
11
CHIRAL WAVES IN GRAPHENE TUNNELING
... The influences of intense coherent laser fields on the transport properties of a single layer graphene are investigated by solving the time-dependent Dirac equation numerically. Under an intense laser field, the valence ...
6
Braz. J. Phys. vol.28 número1
... its nite density behavior, we were able to identify the origin of this misleading result. We have also applied the PMS to the energy density (PMS2). We have shown that this prescription reproduces, already at lowest or- ...
6
Chiral transition of fundamental and adjoint quarks
... Lattice simulations are also showing evidences for a relation between csb and confinement, where center vortices play a funda- mental role. In the SU ( 2 ) case the artificial center vortices removal also implies a ...
4
Braz. J. Phys. vol.37 número1B
... In a functional approach to QCD the infrared behaviour of Landau gauge Green functions is investigated. It can be proven that the ghost Dyson-Schwinger equation implies the Gribov-Zwanziger horizon condition. Its ...
21
Braz. J. Phys. vol.35 número3B
... of chiral parameters such as the quark con- densate and the pion decay constant is of importance for the understanding of several aspects of the nonperturbative phase of quantum chromodynamics (QCD), in particular ...
3
Braz. J. Phys. vol.37 número2B
... of chiral symmetry breaking and the study of the dynamics of phase conversion after a temperature- driven chiral transition can be done conveniently within low- energy effective models ...the ...
4
Extension of the Nambu-Jona-Lasinio model predictions at high densities and temperatures using an implicit regularization scheme
... the chiral symmetry breaking scale in the vacuum, the scaling relations predict a running coupling constant that decreases as the regularization scale increases, implementing in a schematic way the property ...
8
Competition between spin, charge, and bond waves in a Peierls-Hubbard model
... Let us increase the temperature from T50. According to RG, if we start on a SW or CW phase, only a transition to the H phase is possible. The same is true for the BW phase, excepting in a narrow strip located around the ...
4
Symmetry-breaking study with deformed ensembles
... m-fold symmetry is ...threefold symmetry 共through the gradual removal of octants of increasing sizes兲, until a 1GOE situation is at- ...another symmetry besides the flip ...
5
Supersymmetry of Affine Toda Models as Fermionic Symmetry Flows of the Extended mKdV Hierarchy
... Several authors have studied the problem of constructing supersymmetric extensions of inte- grable hierarchies. On one side, for the Toda lattice most of them use superfields as a natural way to supersymmetrize Lax ...
25
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
... in symmetry of the sulphate in the amarantite structure. The symmetry of the sulphate as observed by the number of bands in the m 2 , m 3 and m 4 modes is essentially ...
7
Rev. soc. bras. fonoaudiol. vol.17 número3
... cular symmetry (POC) between the pairs of muscles tested (right and left), considering a total symmetry the value of 100%; rate of lateral displacement (torque), considering 0% as the presence of complete ...
2