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In this talk I will discuss how the in-medium magnetic field can influence the gluon dynamics in a three-flavor color superconductor. It will be shown how at field strengths comparable to the charged gluon Meissner mass a new phase can be…

Nuclear Theory · Physics 2011-09-28 Efrain J. Ferrer

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

We investigate the effects of an external magnetic field in the gap structure of a color superconductor with three massless quark flavors. Using an effective theory with four-fermion interactions, inspired by one-gluon exchange, we show…

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

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 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

We study, within Ginzburg-Landau theory, the responses of three-flavor superfluid quark-gluon plasmas to external magnetic fields and rotation, in both the color-flavor locked and isoscalar color-antitriplet diquark phases near the critical…

High Energy Physics - Phenomenology · Physics 2009-11-07 Kei Iida , Gordon Baym

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 the competition of quark-antiquark and diquark condensates under the influence of an external chromomagnetic field modelling the gluon condensate and in dependence on the chemical potential and temperature. As our results indicate,…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. Ebert , V. V. Khudyakov , K. G. Klimenko , V. Ch. Zhukovsky

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

In this paper the neutral 2SC phase of color superconductivity is investigated in the presence of a magnetic field and for diquark coupling constants and baryonic densities that are expected to characterize neutron stars. Specifically, the…

High Energy Physics - Phenomenology · Physics 2024-12-23 Shuai Yuan , Bo Feng , Efrain J. Ferrer , Alejandro Pinero

We find that the chromomagnetic instability existing in neutral two- flavor color superconductivity at moderate densities is removed by the formation of an inhomogeneous condensate of charged gluons and the corresponding induction of a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Efrain J. Ferrer , Vivian de la Incera

Color-flavor locked (CFL) quark matter expels color-magnetic fields due to the Meissner effect. One of these fields carries an admixture of the ordinary abelian magnetic field and therefore flux tubes may form if CFL matter is exposed to a…

High Energy Physics - Phenomenology · Physics 2020-08-07 Alexander Haber , Andreas Schmitt

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 natural candidates for the realization of color superconductivity are the extremely dense cores of compact stars, many of which have very large magnetic fields, especially the so-called magnetars. In this paper we discuss how a color…

Astrophysics · Physics 2008-11-26 Efrain J. Ferrer

The Ginzburg-Landau equations for magnetic and gluomagnetic gauge fields of the semi-superfluid strings in the color superconducting core of the neutron star with diquark condensate in the color-flavor-locking (CFL) phase are derived. The…

High Energy Physics - Phenomenology · Physics 2009-01-06 D. M. Sedrakian , D. Blaschke , K. M. Shahabasyan , M. K. Shahabasyan

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 discuss the Meissner effect for a color superconductor formed by cold dense quark matter. Though color and ordinary electromagnetism are broken in a color superconductor, there is a linear combination of the photon and a gluon that…

High Energy Physics - Phenomenology · Physics 2010-02-04 M. Alford , J. Berges , K. Rajagopal

QCD is expected to be in the color-flavor locking phase in high baryon density, which exhibits color superconductivity. The most fundamental topological objects in the color superconductor are non-Abelian vortices which are topologically…

High Energy Physics - Phenomenology · Physics 2010-01-24 Minoru Eto , Muneto Nitta

The behaviour of the magnetic field inside the superconducting quark matter core of a neutron star is investigated in the framework of the Ginzburg-Landau theory. We take into account the simultaneous coupling of the diquark condensate…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. M. Sedrakian , D. Blaschke , K. M. Shahabasyan , D. N. Voskresensky

By considering Higgs modes within the Ginzburg-Landau framework, we study influences of a rotated magnetic field on the color-flavor-locked-type matter of dense QCD. We demonstrate, in a model-independent way, that a diquark condensate may…

High Energy Physics - Phenomenology · Physics 2017-03-08 Fu-Ping Peng , Xiao-Bing Zhang , Yi Zhang
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