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Ultrafast electron beams are essential for many applications, yet space-charge interactions in high-intensity beams lead to energy dissipation, coherence loss, and pulse broadening. Existing techniques mitigate these effects by using…

光学 · 物理学 2025-07-02 Hao Geng , Qiaofei Pan , Jian Kang , Yiming Pan

We provide a comprehensive theoretical investigation of the Fermi liquid quasiparticle description in two-dimensional electron gas interacting via the long-range Coulomb interaction by calculating the electron self-energy within the…

介观与纳米尺度物理 · 物理学 2021-09-16 Seongjin Ahn , Sankar Das Sarma

Fermi liquid theory works very well in most normal metals, but is found violated in many strongly correlated electron systems, such as cuprate and heavy-fermion superconductors. A widely accepted criterion is that, the Fermi liquid theory…

强关联电子 · 物理学 2018-11-08 Jing-Rong Wang , Guo-Zhu Liu , Chang-Jin Zhang

We argue that entropy production in hydrodynamics can be understood via a superspace inflow mechanism. Our arguments are based on a recently developed formalism for constructing effective actions for Schwinger-Keldysh observables in quantum…

高能物理 - 理论 · 物理学 2018-08-08 Felix M. Haehl , R. Loganayagam , Mukund Rangamani

We develop a many-particle quantum-hydrodynamical model of fermion matter interacting with the external classical electromagnetic and gravitational/inertial and torsion fields. The consistent hydrodynamical formulation is constructed for…

高能物理 - 理论 · 物理学 2021-12-17 Mariya Iv. Trukhanova , Yuri N. Obukhov

We study nonequilibrium thermodynamic properties of a driven one-dimensional quantum fluid by combining nonlinear Luttinger liquid theory with the quantum kinetic equation. In particular, we derive an entropy production consistent with the…

介观与纳米尺度物理 · 物理学 2019-10-09 Edvin G. Idrisov , Thomas L. Schmidt

We construct a phenomenological superfluid Fermi liquid theory for a two-dimensional d-wave superconductor on a square lattice, and study the effect of quasiparticle interactions on the superfluid density. Using simple models for the…

超导电性 · 物理学 2009-11-07 Arun Paramekanti , Mohit Randeria

We examine the impact of Coulomb electron-electron interaction on transport in a junction with a quantum dot described by Kondo Hamiltonian. We analyze the Fermi liquid regime and consider the limit of zero temperature. With the help of…

强关联电子 · 物理学 2009-11-11 A. Golub

In this work, the electrohydrodynamics of a pair of leaky dielectric droplets on a solid substrate is investigated by the phase-field-based lattice Boltzmann method. Different from a pair of suspended droplets that may coalesce or separate,…

流体动力学 · 物理学 2025-08-15 Jiang Peng , Xi Liu , Zhenhua Chai , Changsheng Huang , Xiufang Chen

While classical or quantum interacting liquids become turbulent under sufficiently strong driving, it is not obvious what flow pattern an ideal quantum gas develops under similar conditions. Unlike classical noninteracting particles which…

量子气体 · 物理学 2013-10-14 Marco Beria , Yasir Iqbal , Massimiliano Di Ventra , Markus Müller

Electronic transport in Fermi liquids is usually Ohmic, because of momentum-relaxing scattering due to defects and phonons. These processes can become sufficiently weak in two-dimensional materials, giving rise to either ballistic or…

介观与纳米尺度物理 · 物理学 2019-10-31 Mani Chandra , Gitansh Kataria , Deshdeep Sahdev

Marginal Fermi liquid was originally introduced as a phenomenological description of the cuprates in a part of the metallic doping range which appears to be governed by fluctuations due to a quantum-critical point. An essential result due…

强关联电子 · 物理学 2009-01-24 A. Shekhter , C. M. Varma

We propose a model describing Seebeck effect on a weak link between two quantum systems with fine-tunable ground states of Fermi and Non-Fermi liquid origin. The experimental realization of the model can be achieved by utilizing the quantum…

介观与纳米尺度物理 · 物理学 2018-02-06 T. K. T. Nguyen , M. N. Kiselev

Non-Fermi liquid behavior of strongly correlated Fermi systems is derived within the Landau approach. We attribute this behavior to a phase transition associated with a rearrangement of the Landau state that leads to flattening of a portion…

强关联电子 · 物理学 2017-08-23 V. A. Khodel , J. W. Clark , H. Li , V. M. Yakovenko , M. V. Zverev

The lattice Boltzmann method (LBM) is routinely employed in the simulation of complex multiphase flows comprising bulk phases separated by non-ideal interfaces. LBM is intrinsically mesoscale with an hydro-dynamic equivalence popularly set…

计算物理 · 物理学 2019-05-24 Daniele Chiappini , Xiao Xue , Mauro Sbragaglia , Giacomo Falcucci

We present a mesoscopic model for thermoelectric phenomena in terms of an interacting particle system, a lattice electron gas dynamics that is a suitable extension of the standard simple exclusion process. We concentrate on electronic heat…

统计力学 · 物理学 2009-11-10 Christian Maes , Maarten H. van Wieren

We present a theory of the isotropic-nematic quantum phase transition in the composite Fermi liquid arising in half-filled Landau levels. We show that the quantum phase transition between the isotropic and the nematic phase is triggered by…

强关联电子 · 物理学 2016-05-04 Yizhi You , Gil Young Cho , Eduardo Fradkin

We obtain an exact expression for the conductivity of a disordered, non-Galilean-invariant Fermi liquid by solving the kinetic equation with both screened Coulomb and $z=3$ Pomeranchuk critical interactions. While consistent with previous…

强关联电子 · 物理学 2026-05-28 Tatia Kiliptari , Vladimir I. Yudson , Dmitrii L. Maslov

Hydrodynamic electron flow is experimentally observed in the differential resistance of electrostatically defined wires in the two-dimensional electron gas in (Al,Ga)As heterostructures. In these experiments current heating is used to…

凝聚态物理 · 物理学 2009-10-22 M. J. M. de Jong , L. W. Molenkamp

We study theoretically the coherent nonlinear optical response of doped semiconductors with partially occupied subbands. When the Fermi energy of an occupied subband approaches the exciton level of an upper subband, the absorption spectrum…

凝聚态物理 · 物理学 2009-10-31 T. V. Shahbazyan , N. Primozich , I. E. Perakis , D. S. Chemla