English
Related papers

Related papers: Superconductivity from gauge/gravity duality with …

200 papers

We use gauge-gravity duality to study the transport properties of a finite density of charge carriers in a strongly-coupled theory with non-relativistic symmetry. The field theory is N=4 supersymmetric SU(Nc) Yang-Mills theory in the limit…

High Energy Physics - Theory · Physics 2014-11-20 Martin Ammon , Carlos Hoyos , Andy O'Bannon , Jackson M. S. Wu

The gauge/gravity duality conjecture claims the equivalence between gauge theory and superstring/M-theory. In particular, the one-dimensional gauge theory of D0-branes and type IIA string theory should agree on properties of hot black…

High Energy Physics - Theory · Physics 2016-06-17 Evan Berkowitz , Enrico Rinaldi , Masanori Hanada , Goro Ishiki , Shinji Shimasaki , Pavlos Vranas

We use gauge-gravity duality to compute a new transport coefficient associated with a number Nf of massive N=2 supersymmetric hypermultiplet fields propagating through an N=4 SU(Nc) super-Yang-Mills theory plasma in the limits of large Nc…

High Energy Physics - Theory · Physics 2009-11-09 Martin Ammon , Thanh Hai Ngo , Andy O'Bannon

We use the AdS/CFT correspondence to study the thermodynamics of massive N=2 supersymmetric hypermultiplet flavor fields coupled to N=4 supersymmetric SU(Nc) Yang-Mills theory, formulated on curved four-manifolds, in the limits of large Nc…

High Energy Physics - Theory · Physics 2009-09-29 Andreas Karch , Andy O'Bannon , Laurence G. Yaffe

The density functional theory for superconductors developed in the preceding article [cond-mat/0408685] is applied to the calculation of superconducting properties of several elemental metals. In particular, we present results for the…

Niobium polyhydride was synthesized at high pressure and high temperature conditions by using diamond anvil cell combined with in situ high pressure laser heating techniques. High pressure electric transport experiments demonstrate that…

We investigate the thermodynamics of a thermal field theory in presence of both a baryon and an isospin chemical potential. For this we consider a probe of several D7-branes embedded in the AdS-Schwarzschild black hole background. We…

High Energy Physics - Theory · Physics 2010-02-03 Johanna Erdmenger , Matthias Kaminski , Patrick Kerner , Felix Rust

We study the role of the Gauss-Bonnet corrections to the gravity action on the charged AdS black hole in presence of rank 3 antisymmetric Kalb Ramond tensor field strength. Analyzing the branch singularity and the killing horizon, we…

High Energy Physics - Theory · Physics 2013-06-11 Sayantan Choudhury , Soumitra SenGupta

Coexistence of superconducting and normal components in nanowires at currents below the critical (a "mixed" state) would have important consequences for the nature and range of potential applications of these systems. For clean samples, it…

High Energy Physics - Theory · Physics 2015-06-18 Sergei Khlebnikov

We construct holographic superconductors from Einstein-Maxwell-dilaton gravity in 3+1 dimensions with two adjustable couplings $\alpha$ and the charge $q$ carried by the scalar field. For the values of $\alpha$ and $q$ we consider, there is…

High Energy Physics - Theory · Physics 2014-11-21 Yan Liu , Ya-Wen Sun

We analyze the fate of the unbroken SU(2) color gauge interactions for 2 light flavors color superconductivity at non zero temperature. Using a simple model we compute the deconfining/confining critical temperature and show that is smaller…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Sannino , N. Marchal , W. Schäfer

We present the string dual to finite temperature SU(Nc) N=4 SYM coupled to massless fundamental matter introduced by Nf D7 branes, with Abelian flavor symmetry. The analytic solution includes the backreaction of the flavors up to second…

High Energy Physics - Theory · Physics 2009-12-04 Francesco Bigazzi , Aldo L. Cotrone , Javier Mas , Angel Paredes , Alfonso V. Ramallo , Javier Tarrio

According to the gauge/gravity duality conjecture, the thermodynamics of gauge theory describing D-branes corresponds to that of black branes in superstring theory. We test this conjecture directly in the case of D0-branes by applying Monte…

High Energy Physics - Theory · Physics 2016-11-02 Masanori Hanada , Yoshifumi Hyakutake , Goro Ishiki , Jun Nishimura

Superconductivity at temperatures up to 190 K at high pressures has recently been observed in $H_2S$ and interpreted as conventional BCS-electron-phonon-driven superconductivity.\cite{h2s} Instead we propose that it is another example of…

Superconductivity · Physics 2015-04-24 J. E. Hirsch , F. Marsiglio

We discuss the gravity dual of FFLO states in strongly coupled superconductors. The gravitational theory utilizes two U(1) gauge fields and a scalar field coupled to a charged AdS black hole. The first gauge field couples with the scalar…

High Energy Physics - Theory · Physics 2015-03-20 James Alsup , Eleftherios Papantonopoulos , George Siopsis

We present a detailed study of the recently proposed gapless color superconductivity in neutral two-flavor quark matter in beta-equilibrium at zero as well as at finite temperature. We clarify the nature of the fermionic quasiparticles, and…

High Energy Physics - Phenomenology · Physics 2010-04-05 Mei Huang , Igor Shovkovy

We derive an Abelian-Higgs-like action from SU(2) Yang-Mills theory via monopole-condensation assumption. Abelian projection as well as chromo-'electric-magnetic' duality are naturally realized by separating the small off-diagonal gluon…

High Energy Physics - Theory · Physics 2007-05-23 Duoje Jia

We found superconductivity in CaSb$_2$ with the transition temperature of 1.7 K by means of electrical-resistivity, magnetic-susceptibility, and specific-heat measurements. This material crystallizes in a nonsymmorphic structure and is…

In this Ph.D. thesis, we study various backgrounds in Type IIB supergravity which admit interpretations in terms a dual field theory, and compute properties such as effective potentials and spectra, using both holographic and field…

High Energy Physics - Theory · Physics 2010-10-12 Daniel Elander

We review the status of recent investigations on validating the gauge-gravity duality conjecture through numerical simulations of strongly coupled maximally supersymmetric thermal gauge theories. In the simplest setting, the gauge-gravity…

High Energy Physics - Theory · Physics 2015-10-12 Anosh Joseph