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We study a system of ultra-cold fermionic polar molecules in a two-dimensional square lattice interacting via both the long-ranged dipole-dipole interaction and a short-ranged on-site attractive interaction. Singlet superfluid, charge…

Quantum Gases · Physics 2015-05-27 Liang He , Walter Hofstetter

Driven by the landscape of garden-variety condensed matter systems, we have investigated how the dual spectral function behaves at the non-relativistic as well as relativistic fermionic fixed point by considering the probe Dirac fermion in…

High Energy Physics - Theory · Physics 2012-02-01 Wei-Jia Li , Rene Meyer , Hongbao Zhang

Using holographic methods we investigate the behaviour of fermionic spectral functions of strongly coupled 2+1 dimensional field theories as both temperature and chemical potential are quenched.

High Energy Physics - Theory · Physics 2014-11-05 N. Callebaut , B. Craps , F. Galli , D. C. Thompson , J. Vanhoof , J. Zaanen , Hongbao Zhang

We study fermions in a domain wall backgrounds in five dimensional supergravity, which is similar to zero temperature limit of holographic superconductor. We find the fermionic operators for small charges in the dual four dimensional theory…

High Energy Physics - Theory · Physics 2019-04-15 Subir Mukhopadhyay , Nishal Rai

In this work, we explore the possible scenario of strange stars admixed with fermionic or bosonic dark matter. For the description of the ``visible'' sector, we use a specific phenomenological quark model that takes into account in-medium…

High Energy Astrophysical Phenomena · Physics 2025-04-29 Isabella Marzola , Everson H. Rodrigues , Anderson F. Coelho , Odilon Lourenço

In the holographic description of cosmic preheating proposed in an accompanied Letter [1], the energy transfer between the inflaton and matter field at strong coupling is suggested to be mimicked by superfluid and normal components of a…

High Energy Physics - Theory · Physics 2021-04-07 Yi-Fu Cai , Shu Lin , Junyu Liu , Jia-Rui Sun

The symmetry group of the staggered Fermion transfer matrix in a spatial direction is constructed at finite temperature. Hadron-like operators carrying irreducible representations of this group are written down from the breaking of the zero…

High Energy Physics - Lattice · Physics 2016-08-25 Sourendu Gupta

We discuss recent results in the study of the evolution of strongly coupled field theories in the presence of time dependent couplings using the holographic correspondence. The aim is to understand (i) thermalization and (ii) universal…

High Energy Physics - Theory · Physics 2015-06-03 Sumit R. Das

The pair correlations in mesoscopic systems such as $nm$-size superconducting clusters and nuclei are studied at finite temperature for the canonical ensemble of fermions in model spaces with a fixed particle number: i) a degenerate…

Atomic and Molecular Clusters · Physics 2009-11-10 S. Frauendorf , N. K. Kuzmenko , V. M. Mikhajlov , J. Sheikh

This paper investigates holographic torus correlators of generic operators at conformal infinity and a finite cutoff within AdS$_3$ gravity coupled with a free scalar field. Using a near-boundary analysis and solving the gravitational…

High Energy Physics - Theory · Physics 2024-05-27 Song He , Yun-Ze Li , Yunda Zhang

We construct back-reacted asymptotically AdS_4 backgrounds with both electric and magnetic charge, at finite temperature and chemical potential. The system consists of a condensed bulk Dirac field hovering over a charged black brane. We…

High Energy Physics - Theory · Physics 2015-01-29 Daniel Carney , Mohammad Edalati

Holographic properties of a finite density fermion system have been shown to exhibit many interesting behaviours which can be observed in future. In this paper, we study low energy fermion properties in the framework of the holographic…

High Energy Physics - Theory · Physics 2022-03-01 Sayan Chakrabarti , Debaprasad Maity , Wadbor Wahlang

We present an exact formula for the thermal scalar two-point function in four-dimensional holographic conformal field theories. The problem of finding it reduces to the analysis of the wave equation on the AdS-Schwarzschild background. The…

High Energy Physics - Theory · Physics 2023-05-17 Matthew Dodelson , Alba Grassi , Cristoforo Iossa , Daniel Panea Lichtig , Alexander Zhiboedov

We present a top-down string theory holographic model of strongly interacting relativistic 2+1-dimensional fermions, paying careful attention to the discrete symmetries of parity and time reversal invariance. Our construction is based on…

High Energy Physics - Theory · Physics 2013-06-21 Joshua L. Davis , Hamid Omid , Gordon W. Semenoff

We investigate the high-temperature phase of QCD using lattice QCD simulations with $N_f = 2$ dynamical M\"obius domain-wall fermions. On generated configurations, we study the axial $U(1)$ symmetry, overlap-Dirac spectra, screening masses…

High Energy Physics - Lattice · Physics 2020-01-23 Kei Suzuki , Sinya Aoki , Yasumichi Aoki , Guido Cossu , Hidenori Fukaya , Shoji Hashimoto , Christian Rohrhofer

We calculate fermionic response in domain wall backgrounds of four-dimensional gauged supergravity interpolating between distinct stable AdS vacua. The backgrounds, found by Bobev et al., are holographically dual to zero-temperature states…

High Energy Physics - Theory · Physics 2016-09-26 Oliver DeWolfe , Steven S. Gubser , Oscar Henriksson , Christopher Rosen

Strange correlators are useful tools for diagnosing symmetry-protected topological states from their bulk wave functions. We study strange correlators for one-dimensional fermionic symmetry-protected topological states using fixed-point…

Strongly Correlated Electrons · Physics 2023-12-05 Yinning Niu , Yang Qi

We consider fermion correlators in non-abelian holographic superconductors. The spectral function of the fermions exhibits several interesting features such as support in displaced Dirac cones and an asymmetric distribution of normal modes.…

High Energy Physics - Theory · Physics 2010-12-01 Steven S. Gubser , Fabio D. Rocha , Amos Yarom

We study the holographic dual of fermions interacting in a Schwarzschild-AdS$_{d+1}$ background via a dipole (Pauli) coupling sourced by a probe gauge field. We find quite generally that a gap forms in the dual operator spectrum as the…

Strongly Correlated Electrons · Physics 2014-08-20 Garrett Vanacore , Philip W. Phillips

We refer to the ground state of a gravitating, charged ideal fluid of fermions held at a finite chemical potential as an `electron star'. In a holographic setting, electron stars are candidate gravity duals for strongly interacting finite…

High Energy Physics - Theory · Physics 2011-02-18 Sean A. Hartnoll , Alireza Tavanfar