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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

We study the holographic non-relativistic fermions in the presence of bulk dipole coupling in charged dilatonic black hole background. We explore the nontrivial effects of the bulk dipole coupling, the fermion charge as well as the dilaton…

High Energy Physics - Theory · Physics 2014-11-21 Xiao-Mei Kuang , Bin Wang , Jian-Pin Wu

Inspired by the recently discovered non-relativistic fermionic fixed points, we investigate how the presence of bulk dipole coupling modifies the spectral function at one of these novel fixed points. As a result, although the infinite flat…

High Energy Physics - Theory · Physics 2015-03-19 Wei-Jia Li , Hongbao Zhang

In the background of a charged AdS black hole, we consider a Dirac particle endowed with an arbitrary magnetic dipole moment. For non-zero charge and dipole coupling of the bulk fermion, we find that the dual boundary theory can be plagued…

High Energy Physics - Theory · Physics 2016-01-27 Manuela Kulaxizi , Rakibur Rahman

We investigate the holographic fermions in the charged Gauss-Bonnet $AdS_{d}$ black hole background with the dipole coupling between fermion and gauge field in the bulk. We show that in addition to the strength of the dipole coupling, the…

High Energy Physics - Theory · Physics 2012-07-27 Xiao-Mei Kuang , Bin Wang , Jian-Pin Wu

By imposing the relativistic boundary term and Lorentz violating that in the dilatonic black brane with a Lifshitz like IR geometry and $AdS_4$ boundary, we study the properties of the spectral functions of the fermions. We find that in the…

High Energy Physics - Theory · Physics 2015-06-04 Wei-Jia Li , Jian-Pin Wu

Using the AdS/CFT correspondence, we calculate a fermionic spectral function in a 2+1 dimensional non-relativistic quantum field theory which is dual to a gravitational theory in the $AdS_4$ background with a charged black hole. The…

High Energy Physics - Theory · Physics 2009-11-06 Sung-Sik Lee

We study the ferminoic spectrum with Weyl correction, which exhibits the non-Fermi liquid behavior. Also, we find that both the height of the peak of the fermionic spectrum and the dispersion relation exhibit a nonlinearity with the variety…

High Energy Physics - Theory · Physics 2019-03-27 Jian-Pin Wu , Baicheng Xu , Guoyang Fu

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 provide new evidence that the holographic dual to a strongly coupled charged Fermi Liquid has a non-zero fermion density in the bulk. We show that the pole-strength of the stable quasiparticle characterizing the Fermi surface is encoded…

High Energy Physics - Theory · Physics 2015-05-20 Mihailo Čubrović , Jan Zaanen , Koenraad Schalm

We show that there is a close correspondence between the physical properties of holographic metals near charged black holes in anti-de Sitter (AdS) space, and the fractionalized Fermi liquid phase of the lattice Anderson model. The latter…

High Energy Physics - Theory · Physics 2014-11-21 Subir Sachdev

In this paper we investigate the $(2+1)$-dimensional topological non-Fermi liquid in strongly correlated electron system, which has a holographic dual description by Einstein gravity in $(3+1)$-dimensional anti-de Sitter (AdS) space-time.…

High Energy Physics - Theory · Physics 2017-06-28 Rong-Gen Cai , Yong-Hui Qi , Yue-Liang Wu , Yun-Long Zhang

In the fermionic sector of top-down approaches to holographic systems, one generically finds that the fermions are coupled to gravity and gauge fields in a variety of ways, beyond minimal coupling. In this paper, we take one such…

High Energy Physics - Theory · Physics 2011-03-23 Mohammad Edalati , Robert G. Leigh , Philip W. Phillips

We consider deep inelastic scattering (DIS) on a dense nucleus described as an extremal RN-AdS black hole with holographic quantum fermions in the bulk. We evaluate the 1-loop fermion contribution to the R-current on the charged black hole,…

High Energy Physics - Theory · Physics 2020-03-25 Kiminad A. Mamo , Ismail Zahed

Fermi arcs are disconnected contour of Fermi surface, which can be observed in the pseudo-gap phase of high temperature superconductors. Aiming to understand this pseudo-gap phenomena, we study a holographic Fermionic system coupled with a…

High Energy Physics - Theory · Physics 2019-07-11 Sayan Chakrabarti , Debaprasad Maity , Wadbor Wahlang

We study the properties of the Green's functions of the fermions in charged Gauss-Bonnet black hole. What we want to do is to investigate how the presence of Gauss-Bonnet coupling constant $\alpha$ affects the dispersion relation, which is…

High Energy Physics - Theory · Physics 2011-08-02 Jian-Pin Wu

We study the Fermi level structure of 2+1-dimensional strongly interacting electron systems in external magnetic field using the AdS/CFT correspondence. The gravity dual of a finite density fermion system is a Dirac field in the background…

High Energy Physics - Theory · Physics 2013-05-29 E. Gubankova , J. Brill , M. Cubrovic , K. Schalm , P. Schijven , J. Zaanen

We construct a holographic model for a fermionic system on Q-lattice and compute the spectral function in the presence of a dipole coupling. Both key features of doped Mott insulators, the dynamical generation of a gap and spectral weight…

High Energy Physics - Theory · Physics 2015-06-23 Yi Ling , Peng Liu , Chao Niu , Jian-Pin Wu , Zhuo-Yu Xian

We describe a novel implementation of non-relativistic fermions in AdS/CFT by imposing Lorentz violating boundary conditions for a Dirac spinor in AdS4. The dual boundary theory is scale invariant and exhibits a number of interesting…

High Energy Physics - Theory · Physics 2015-05-30 João N. Laia , David Tong

We study lattice effects in strongly coupled systems of fermions at a finite density described by a holographic dual consisting of fermions in Anti-de-Sitter space in the presence of a Reissner-Nordstrom black hole. The lattice effect is…

High Energy Physics - Theory · Physics 2015-06-05 Yan Liu , Koenraad Schalm , Ya-Wen Sun , Jan Zaanen
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