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Related papers: Testing the tomographic Fermi liquid hypothesis wi…

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We present detailed results from a recent microscopic theory of extremely correlated Fermi liquids, applied to the t-J model in two dimensions. We use typical sets of band parameters relevant to the cuprate superconductors. The second order…

Strongly Correlated Electrons · Physics 2026-01-16 Daniel Hansen , B. Sriram Shastry

The cyclotron resonance absorption of two-dimensional electrons in semiconductor heterostructures in high magnetic fields is investigated. It is assumed that the ionized impurity potential is a dominant scattering mechanism, and the theory…

Strongly Correlated Electrons · Physics 2009-11-10 Van An Dinh , Motohiko Saitoh

Deviations from Landau Fermi liquid behavior are ubiquitous features of the normal state of unconventional superconductors. Despite several decades of investigation, the underlying mechanisms of these properties are still not completely…

Strongly Correlated Electrons · Physics 2015-05-06 Evgeny Mikheev , Christopher R. Freeze , Brandon J. Isaac , Tyler A. Cain , Susanne Stemmer

We examine the carrier density dependence of the scattering rate in two- and three-dimensional electron liquids in SrTiO3 in the regime where it scales with T^n (T is the temperature and n <= 2) in the cases when it is varied by…

Strongly Correlated Electrons · Physics 2016-02-11 Evgeny Mikheev , Santosh Raghavan , Jack Y. Zhang , Patrick B. Marshall , Adam P. Kajdos , Leon Balents , Susanne Stemmer

The recent experimental observations of designer Dirac Fermions and topological phases in molecular graphene are addressed theoretically. Using scattering theory we calculate the electronic structure of finite lattices of scattering centers…

Mesoscale and Nanoscale Physics · Physics 2013-12-18 H. Hammar , P. Berggren , J. Fransson

Fermi gases in two dimensions display a surprising collective behavior originating from the head-on carrier collisions. The head-on processes dominate angular relaxation at not-too-high temperatures $T\ll T_F$ owing to the interplay of…

Mesoscale and Nanoscale Physics · Physics 2019-09-18 Patrick J Ledwith , Haoyu Guo , Andrey V Shytov , Leonid Levitov

Compton scattering is a well-established technique that can provide detailed information about electronic states in solids. Making use of the principle of tomography, it is possible to determine the Fermi surface from sets of…

Materials Science · Physics 2022-11-10 J. Otsuki , K. Yoshimi , Y. Nakanishi-Ohno , M. Sekania , L. Chioncel , M. Mizumaki

Properties of strongly correlated two-dimensional (2D) electron systems in solids are studied on the assumption that these systems undergo a phase transition, called fermion condensation, whose characteristic feature is flattening of the…

Strongly Correlated Electrons · Physics 2009-11-07 V. A. Khodel , M. V. Zverev

We develop an analytically solvable model for interacting two-dimensional Fermi liquids with separate collisional relaxation rates for parity-odd and parity-even Fermi surface deformations. Such a disparity of collisional lifetimes exists…

Mesoscale and Nanoscale Physics · Physics 2022-11-23 Johannes Hofmann , Sankar Das Sarma

We derive a theory of superfluidity for a dilute Fermi gas that is valid when scattering resonances are present. The treatment of a resonance in many-body atomic physics requires a novel mean-field approach starting from an unconventional…

Soft Condensed Matter · Physics 2009-11-07 S. J. J. M. F. Kokkelmans , J. N. Milstein , M. L. Chiofalo , R. Walser , M. J. Holland

Many layered metals such as quasi-two-dimensional organic molecular crystals show properties consistent with a Fermi liquid description at low temperatures. The effective masses extracted from the temperature dependence of the magnetic…

Strongly Correlated Electrons · Physics 2009-10-31 J. Merino , Ross H. McKenzie

Analyzing {\it{ab-initio}} electronic and phonon band structure, temperature-dependent carrier transport in layered Ti$_{2}$AlC is investigated. It is found that cylindrical Fermi surface is the origin of the anisotropic carrier effective…

Materials Science · Physics 2015-12-15 Aniruddha Konar , Rajan Kumar Pandey , Tamilmani Ethirajan

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 consider a holographic description of a system of strongly-coupled fermions in 2+1 dimensions based on a D7-brane probe in the background of D3-branes. The black hole embedding represents a Fermi-like liquid. We study the excitations of…

High Energy Physics - Theory · Physics 2011-11-10 Oren Bergman , Niko Jokela , Gilad Lifschytz , Matthew Lippert

The topological Kondo effect arises when conduction electrons in metallic leads are coupled to a mesoscopic superconducting island with Majorana fermions. Working with its minimal setup, we study the lead electron local tunneling density of…

Mesoscale and Nanoscale Physics · Physics 2018-12-03 A. Latief , B. Béri

We consider a theoretical problem of electron-electron scattering time in a quasi-one-dimensional (Q1D) conductor in a magnetic field, perpendicular to its conducting axis. We show that inverse electron-electron scattering time becomes of…

Strongly Correlated Electrons · Physics 2015-11-11 Andrei G. Lebed

Cyclotron resonance, along with its second and third harmonics, has been observed in the quasi-two-dimensional organic superconductor $\beta^{\prime\prime}$-(BEDT-TTF)$_2$SF$_5$CH$_2$CF$_2$SO$_3$. The harmonic content is richly…

Strongly Correlated Electrons · Physics 2007-05-23 R. S. Edwards , J. A. Symington , A. Ardavan , J. Singleton , E. Rzepniewski , R. D. McDonald , J. Schlueter , A. M. Kini

Recent developments in electron hydrodynamics have demonstrated the importance of considering the full structure of the electron-electron scattering operator, which encodes a sequence of lifetimes, one for each component of the Fermi…

Strongly Correlated Electrons · Physics 2025-10-08 Davis Thuillier , Sayak Ghosh , B. J. Ramshaw , Thomas Scaffidi

Lattice thermal conductivities (LTC) for a subset of polymer crystals from the Polymer Genome Library were investigated to explore high LTC polymer systems. We employed a first-principles approach to evaluating phonon lifetimes within the…

Materials Science · Physics 2020-08-21 Keishu Utimula , Tom Ichibha , Ryo Maezono , Kenta Hongo

Momentum-conserving quasiparticle collisions in two-dimensional Fermi gases give rise to a large family of exceptionally long-lived excitation modes. The lifetimes of these modes exceed by a factor $(T_F/T)^2\gg 1$ the conventional Landau…

Mesoscale and Nanoscale Physics · Physics 2020-01-03 Patrick J Ledwith , Haoyu Guo , Leonid Levitov
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