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Related papers: Charge transport by holographic Fermi surfaces

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We study certain features of a strongly coupled theory whose gravitational dual is given by two-charge dilatonic black hole in AdS5 which has recently been used to study holographic Fermi liquids. By making use of the gravity description,…

High Energy Physics - Theory · Physics 2015-06-11 Mohsen Alishahiha , M. Reza Mohammadi Mozaffar , Ali Mollabashi

Charge transport is a revealing probe of the quantum properties of materials. Strong interactions can blur charge carriers resulting in a poorly understood "quantum soup". Here we study the conductivity of the Fermi-Hubbard model, a testing…

We measure charge transport in hydrogenated amorphous silicon (a-Si:H) using a nanometer scale silicon MOSFET as a charge sensor. This charge detection technique makes possible the measurement of extremely large resistances. At high…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 K. MacLean , T. S. Mentzel , M. A. Kastner

A holographic dual description of a 2+1 dimensional system of strongly interacting fermions at low temperature and finite charge density is given in terms of an electron cloud suspended over the horizon of a charged black hole in…

High Energy Physics - Theory · Physics 2015-03-17 V. Giangreco M. Puletti , S. Nowling , L. Thorlacius , T. Zingg

We construct a theory of charge transport by the surface states of topological insulators in three dimensions. The focus is on the experimentally relevant case when the electron doping is such that the Fermi energy $\epsilon_F$ and…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Dimitrie Culcer , E. H. Hwang , Tudor D. Stanescu , S. Das Sarma

We investigate the probe holographic fermions by using an anisotropic charged black brane solution. We derive the equation of motion of probe bulk fermions with one Fermi momentum along the anisotropic and one along the isotropic…

High Energy Physics - Theory · Physics 2015-06-24 Li Qing Fang , Xian-Hui Ge , Jian-Pin Wu , Hong-Qiang Leng

Multiband models with hot spots are of current interest partly because of their relevance for the iron-based superconductors. In these materials, the momentum-dependent scattering off spin fluctuations and the ellipticity of the electron…

Mesoscale and Nanoscale Physics · Physics 2014-06-09 Maxim Breitkreiz , P. M. R. Brydon , Carsten Timm

Motivated by recent experimental measurements on the Fermi surface(FS) destruction in underdoped high-$T_{c}$ cuprates, we examine its effect on the transport properties based on the Boltzmann equation approach. The effect is modeled by…

Superconductivity · Physics 2009-10-31 Jian-Xin Li , W. C. Wu , T. K. Lee

Realizing the potential of plasmonic hot carrier harvesting for energy conversion and photodetection requires new materials that resolve the bottleneck of extracting carriers prior to energy relaxation within the metal. Using…

Materials Science · Physics 2022-12-12 Sushant Kumar , Christian Multunas , Ravishankar Sundararaman

We establish the applicability to transport phenomena in the cuprate superconductors of a nearly antiferromagnetic Fermi liquid (NAFL) description of the magnetic interaction between planar quasiparticles by using it to obtain the…

Condensed Matter · Physics 2009-10-28 Branko P. Stojkovic , David Pines

The transport properties and electron states in cylinder nanowires of Dirac and Weyl semimetals are studied paying special attention to the structure and properties of the surface Fermi arcs. The latter make the electric charge and current…

Mesoscale and Nanoscale Physics · Physics 2020-02-24 P. O. Sukhachov , M. V. Rakov , O. M. Teslyk , E. V. Gorbar

We report electrical transport measurements of arrays of PbSe nanocrystals forming the channels of field effect transistors. We measure the current in these devices as a function of source-drain voltage, gate voltage and temperature.…

Mesoscale and Nanoscale Physics · Physics 2008-01-28 T. S. Mentzel , V. J. Porter , S. Geyer , K. MacLean , M. G. Bawendi , M. A. Kastner

We study the main intra-band and inter-band transport properties at zero temperature of free electron-like system undergoing a topological reconstruction of the Fermi surface for the two-dimensional and three-dimensional case. The…

Strongly Correlated Electrons · Physics 2022-05-25 Zoran Rukelj , Danko Radić

We study various thermodynamic and transport properties of a holographic model of a nodal line semimetal (NLSM) at finite temperature, including the quantum phase transition to a topologically trivial phase, with Dirac semimetal-like…

High Energy Physics - Theory · Physics 2021-12-08 Ronnie Rodgers , Enea Mauri , Umut Gürsoy , Henk T. C. Stoof

We used high resolution angle-resolved photoemission spectroscopy to reveal the Fermi surface and key transport parameters of the metallic state of the layered Colossal Magnetoresistive (CMR) oxide La1.2Sr1.8Mn2O7. With these parameters the…

Strongly Correlated Electrons · Physics 2009-11-07 Y. -D. Chuang , A. D. Gromko , D. S. Dessau , T. Kimura , Y. Tokura

We discuss the physics of momentum diffusion in a charged plasma. Following the holographic strategy outlined in arXiv:2012.03999 we construct an open effective field theory for the low-lying modes of the conserved currents. The charged…

High Energy Physics - Theory · Physics 2022-05-10 Temple He , R. Loganayagam , Mukund Rangamani , Julio Virrueta

We find exact, analytic solutions of the Dirac equation for a charged, massless fermion in the background of a charged, dilatonic black hole in AdS_5. The black hole descends from type IIB supergravity, where it describes D3-branes with…

High Energy Physics - Theory · Physics 2015-03-20 Steven S. Gubser , Jie Ren

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 explicitly calculate the density-density response function with conserving vertex corrections for anisotropic multiband systems in the presence of impurities including long-range disorder. The direction-dependence of the vertex…

Mesoscale and Nanoscale Physics · Physics 2022-09-29 Jeonghyeon Suh , Sunghoon Kim , E. H. Hwang , Hongki Min

We study charge transport properties in a domain-wall geometry, whose near horizon IR geometry is a Lifshitz black hole and whose UV geometry is AdS. The action for the gauge field contains the standard Maxwell term plus the Weyl tensor…

High Energy Physics - Theory · Physics 2011-08-30 José P. S. Lemos , Da-Wei Pang
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