English
Related papers

Related papers: Magnetism in Cold-Dense QCD

200 papers

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

Color magnetic flux tubes appear in the color-flavor locked phase of high density QCD, which exhibits color superconductivity as well as superfluidity. They are non-Abelian superfluid vortices and are accompanied by orientational zero modes…

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

Cold dense quark matter is in a crystalline color superconducting phase wherever pairing occurs between species of quarks with chemical potentials whose difference \delta\mu lies within an appropriate window. If the interaction between…

High Energy Physics - Phenomenology · Physics 2016-09-06 Adam K. Leibovich , Krishna Rajagopal , Eugene Shuster

According to quantum chromodynamics (QCD), matter at ultra-high densities will take the form of a color-superconducting quark liquid, in which there is a condensate of Cooper pairs of quarks near the Fermi surface. I present a review of the…

Nuclear Theory · Physics 2008-11-26 Mark Alford

Microscopic origin of the magnetic field observed in compact stars is studied in quark matter. Spontaneous spin polarization appears in high-density region due to the Fock exchange term. On the other hand, quark matter becomes unstable to…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Tatsumi , T. Maruyama , K. Nawa , E. Nakano

The copper-oxide based high temperature superconductors have complex phase diagrams with multiple ordered phases. It even appears that the highest superconducting transition temperatures for certain cuprates are found in samples which…

Strongly Correlated Electrons · Physics 2009-11-07 Steven A. Kivelson , G. Aeppli , Victor J. Emery

Using flow equations, we derive an effective quark-quark interaction and obtain the coupled set of gap equations for the condensates of the CFL phase of massless N_f=3 dense QCD. We find two different sources of the infrared cutoff in…

High Energy Physics - Phenomenology · Physics 2017-08-23 E. Gubankova

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

QCD predicts matter at high density should exhibit color superconductivity. We review briefly several pertinent properties of color superconductivity and then discuss how baryons are realized in color superconductors. Especially, we explain…

High Energy Physics - Phenomenology · Physics 2009-03-16 Deog Ki Hong

Our Universe is full of regions where extreme physical conditions are realized. A most intriguing case is the super-dense core of neutron stars, some of which also have super-strong magnetic fields, hence called magnetars. In this paper we…

High Energy Physics - Phenomenology · Physics 2009-05-01 Efrain J. Ferrer , Vivian de la Incera

The "QCD Kondo effect" stems from the color exchange interaction in QCD with non-Abelian property, and can be realized in a high-density quark matter containing heavy-quark impurities. We propose a novel type of the QCD Kondo effect induced…

High Energy Physics - Phenomenology · Physics 2016-10-12 Sho Ozaki , Kazunori Itakura , Yoshio Kuramoto

A brief introduction into the properties of dense quark matter is given. Recently proposed gapless color superconducting phases of neutral and beta-equilibrated dense quark matter are discussed. The current status in the field is described,…

Nuclear Theory · Physics 2007-05-23 Igor A. Shovkovy

Our Universe is full of regions where extreme physical conditions are realized. Among the most intriguing cases are the so-called magnetars: neutron stars with very dense cores and super-strong magnetic fields. In this paper I review the…

High Energy Physics - Phenomenology · Physics 2009-12-15 Vivian de la Incera

Color superconductivity of QCD at finite density, temperature and flavor asymmetry is studied within an approximation which the interaction is modeled upon four--fermion interactions. We calculate the thermodynamic potential in the…

High Energy Physics - Phenomenology · Physics 2009-11-07 O. Kiriyama , S. Yasui , H. Toki

We study the photon self-energy for the in-medium photon in a three-flavor color superconductor in the presence of a magnetic field. At strong magnetic field, the quark dynamics becomes $(1+1)$-dimensional and the self-energy tensor only…

High Energy Physics - Theory · Physics 2015-06-04 Bo Feng , Efrain J. Ferrer , Vivian de la Incera

The low-energy effective theories for the two- and three-flavor color-superconductors arising in the high density limit of QCD are discussed. Using an effective field theory to describe quarks near the fermi surface, we compute the masses…

High Energy Physics - Phenomenology · Physics 2014-11-17 Silas R. Beane , Paulo F. Bedaque , Martin J. Savage

The quark quasiparticle model is extended to study the properties of color-flavor locked strange quark matter at finite chemical potential and in a strong magnetic field. We present a self-consistent thermodynamic treatment by employing a…

High Energy Physics - Phenomenology · Physics 2013-08-30 Xin-Jian Wen

Basic features of color superconductivity are reviewed, focusing on the regime of ``moderate densities'', which is not accessible by perturbation theory. We discuss the standard picture of two- and three flavor color superconductors and…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Buballa , M. Oertel

We discuss recent results on color superconductivity in QCD at large chemical potential.

Nuclear Theory · Physics 2011-04-15 Thomas Schaefer

We calculate the energy release associated with first-order phase transition between different types of single flavor color superconductivity in a magnetic field.

High Energy Physics - Phenomenology · Physics 2011-08-09 Ping-ping Wu , Hang He , Defu Hou , Hai-cang Ren