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The influence of a constant uniform external chromomagnetic field $H$ on the formation of color superconductivity has been investigated. The consideration was performed in the framework of a (2+1)-dimensional Nambu--Jona-Lasinio model with…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Ebert , K. G. Klimenko , H. Toki

We consider diquark condensation in external chromomagnetic fields at non--zero temperature. The general features of this process are investigated for various field configurations in relation to their symmetry properties and the form of the…

High Energy Physics - Theory · Physics 2009-11-07 D. Ebert , K. G. Klimenko , H. Toki , V. Ch. Zhukovsky

We explore the effects of an applied strong external magnetic field in a three flavor massless color superconductor. The long-range component of the B field that penetrates the superconductor enhances some quark condensates, leading to a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Cristina Manuel

It is shown in the framework of an extended NJL model with two flavors that some types of external chromomagnetic field induce the dynamical chiral or color symmetry breaking even at weakest attraction between quarks. It is argued also that…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Ebert , V. V. Khudyakov , K. G. Klimenko , H. Toki , V. Ch. Zhukovsky

Some consequences of a classical vector field (chromo-electromagnetic field) coupled to quarks, which undergo to superfluid and/or superconductive states with diquark / diantiquark condensation, are investigated. For this, one scalar field…

High Energy Physics - Phenomenology · Physics 2015-06-25 Fabio L. Braghin

We explore the effects of an external magnetic field in the structure and magnitude of the diquark condensate in a three massless quark flavor color superconductor. It is shown that the long-range component $\widetilde{B}$ of the external…

High Energy Physics - Phenomenology · Physics 2009-11-11 Efrain J. Ferrer , Vivian de la Incera , Cristina Manuel

We investigate the effects of an external magnetic field in the gluon dynamics of a color superconductor with three massless quark flavors. In the framework of gluon mean-field theory at asymptotic densities, we show that the long-range…

High Energy Physics - Phenomenology · Physics 2009-11-11 Efrain J. Ferrer , Vivian de la Incera

We explore the effects of an applied strong external magnetic field in the structure and magnitude of the color superconducting diquark condensate of a three massless flavor theory. The long-range component of the B field that penetrates…

High Energy Physics - Phenomenology · Physics 2007-05-23 Efrain J. Ferrer , Vivian de la Incera , Cristina Manuel

We explore the effects of an applied strong external magnetic field in a three flavour massless colour superconductor. The long-range component of the B field that penetrates the superconductor enhances some quark condensates, leading to a…

High Energy Physics - Phenomenology · Physics 2009-11-11 Efrain J. Ferrer , Vivian de la Incera , Cristina Manuel

We study color superconductivity in external magnetic field. We discuss the reason why the mixing angles in color-flavor locked (CFL) and two-flavor superconductivity (2SC) phases are different despite the fact that the CFL gap goes to the…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. V. Gorbar

The possibility of color ferromagnetism in an SU(2) gauge field model is investigated. The conditions allowing a stable color ferromagnetic state of the quark system in the chromomagnetic field occupying small domains are considered. A…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Ebert , V. Ch. Zhukovsky , O. V. Tarasov

We study the effects of an external magnetic field on thensuperconducting phase diagram of a quasi-two-dimensional system of Dirac electrons at an arbitrary temperature. At zero temperature, there is a quantum phase transition connecting a…

Superconductivity · Physics 2020-10-14 E. C. Marino , Lizardo H. C. M. Nunes

We study the effects of an external magnetic field on the superconducting properties of a quasi-two-dimensional system of Dirac electrons at an arbitrary temperature. An explicit expression for the superconducting gap is obtained as a…

Superconductivity · Physics 2008-11-26 E. C. Marino , Lizardo H. C. M. Nunes

We review the mechanisms via which an external magnetic field can affect the ground state of cold and dense quark matter. In the absence of a magnetic field, at asymptotically high densities, cold quark matter is in the Color-Flavor-Locked…

Nuclear Theory · Physics 2015-06-11 Efrain J. Ferrer , Vivian de la Incera

Type-I color superconductors display a first-order phase transition due to thermal gauge-field fluctuations. We numerically evaluated the critical temperature of the first-order phase transition and the corresponding discontinuity of the…

Nuclear Theory · Physics 2009-11-11 Jorge L. Noronha , Hai-cang Ren , Ioannis Giannakis , Defu Hou , Dirk H. Rischke

Non-Perturbative Quantum Field Theory has played an important role in the study of phenomena where a fermion condensate can appear under certain physical conditions. The familiar phenomenon of electric superconductivity, the color…

High Energy Physics - Phenomenology · Physics 2015-05-18 Vivian de la Incera

We investigate the effects of the dynamical formation of the chiral condensates on color superconducting phases under the electric and color neutrality constraints at vanishing temperature. We shall show that the phase appearing next to the…

High Energy Physics - Phenomenology · Physics 2009-11-10 H. Abuki , M. Kitazawa , T. Kunihiro

A supersymmetric composite model of color superconductivity is proposed. Quarks and diquarks are dynamically generated as composite fields by a newly introduced strong gauge dynamics. It is shown that the condensation of the scalar…

High Energy Physics - Phenomenology · Physics 2009-11-10 Nobuhito Maru , Motoi Tachibana

At high nuclear density and small temperature, due to the asymptotic freedom property of Quantum ChromoDynamics and to the existence of an attractive channel in the color interaction, diquark condensates might be formed. Since these…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Nardulli

It is quite plausible that color superconductivity occurs in the inner regions of neutron stars. At the same time, it is known that strong magnetic fields exist in the interior of these compact objects. In this paper we discuss some…

Astrophysics · Physics 2008-11-26 Efrain J. Ferrer , Vivian de la Incera
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