Stationary time correlations for fermions after a quench in the presence of an impurity

Article Physics, Multidisciplinary

Transport through interacting defects and lack of thermalisation

Giuseppe Del Vecchio Del Vecchio et al.

Summary: This article investigates the chaotic dynamics induced by a localized defect in 1D integrable systems, and studies the non-thermal transport properties using numerical simulations and solutions of the Boltzmann equation.

SCIPOST PHYSICS (2022)

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Article Physics, Multidisciplinary

Quench dynamics of noninteracting fermions with a delta impurity

Gabriel Gouraud et al.

Summary: This study investigates the out-of-equilibrium dynamics of noninteracting fermions in one dimension with a delta impurity potential at the origin, demonstrating the system's behavior in a non-equilibrium stationary state, including oscillations in particle density and the emergence of light cones.

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL (2022)

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Article Mechanics

Generalized-hydrodynamic approach to inhomogeneous quenches: correlations, entanglement and quantum effects

Vincenzo Alba et al.

Summary: This paper provides a pedagogical introduction to the generalized hydrodynamic approach in inhomogeneous quenches in integrable many-body quantum systems, focusing on applications to bipartitioning protocols and trap quenches. Exact results for time-dependent correlation functions and entanglement evolution are discussed, as well as the theory's range of applicability, open questions, and future directions.

JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT (2021)

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Article Physics, Multidisciplinary

Signature of Generalized Gibbs Ensemble Deviation from Equilibrium: Negative Absorption Induced by a Local Quench

Lorenzo Rossi et al.

Summary: By performing a quench experiment in an electron system with a local attractive potential, researchers have identified a deviation of only one lambda from the GGE and equilibrium distribution, leading to optical gain effects and a negative peak in the absorption spectrum. This allows for the detection of GGE signatures in fermionic systems through optical measurements in realistic setups.

ENTROPY (2021)

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Article Physics, Multidisciplinary

Impurities in systems of noninteracting trapped fermions

David S. Dean et al.

Summary: The study focuses on the properties of spin-less non-interacting fermions trapped in a one-dimensional confining potential with one or more impurities modeled by delta function potentials. The method based on the single particle Green's function is employed to calculate the effects of impurities on the Fermi gas density and the effective potential. Results show interesting transitions and modifications in the density and potential when impurities are placed at different locations, such as near the edge of the trap or in the bulk.

SCIPOST PHYSICS (2021)

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Article Physics, Multidisciplinary

Quenches in initially coupled Tomonaga-Luttinger Liquids: a conformal field theory approach

Paola Ruggiero et al.

Summary: Study on quantum quench in two coupled Tomonaga-Luttinger Liquids (TLLs) from off-critical to critical regime is conducted using conformal field theory approach and known solutions for single TLLs. Results show that depending on the observable, contributions from massive or massless modes can lead to exponential or power-law decay in time. These findings have direct application in quench problems involving two independent massless fields in scaling limit, such as the Hubbard model and tunnel-coupled tubes in cold atoms experiments.

SCIPOST PHYSICS (2021)

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Article Physics, Multidisciplinary

Large-scale thermalization, prethermalization, and impact of temperature in the quench dynamics of two unequal Luttinger liquids

Paola Ruggiero et al.

Summary: This study investigates the effect of a quantum quench between two tunnel-coupled Tomonaga-Luttinger liquids with different speeds of sound and interaction parameters. The research reveals that correlation functions associated with the antisymmetric and symmetric combinations of the two TLLs are coupled due to the asymmetry in the systems' Hamiltonians, resulting in multiple light cones separating different decaying regimes. In the large time limit, a prethermal regime is identified where effective temperatures emerge, eventually transitioning to a quasithermal state.

PHYSICAL REVIEW RESEARCH (2021)

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Article Physics, Multidisciplinary

Fredholm determinants, full counting statistics and Loschmidt echo for domain wall profiles in one-dimensional free fermionic chains

Oleksandr Gamayun et al.

SCIPOST PHYSICS (2020)

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Article Mechanics

Exact large deviation function of spin current for the one dimensional XX spin chain with domain wall initial condition

Hiroki Moriya et al.

JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT (2019)

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Article Physics, Multidisciplinary

Nonequilibrium dynamics of noninteracting fermions in a trap

David S. Dean et al.

EPL (2019)

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Article Physics, Multidisciplinary

Non-equilibrium quantum transport in presence of a defect: the non-interacting case

Marko Ljubotina et al.

SCIPOST PHYSICS (2019)

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Article Physics, Multidisciplinary

Inhomogeneous quenches in the transverse field Ising chain: scaling and front dynamics

Marton Kormos

SCIPOST PHYSICS (2017)

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Article Physics, Fluids & Plasmas

Ballistic front dynamics after joining two semi-infinite quantum Ising chains

Gabriele Perfetto et al.

PHYSICAL REVIEW E (2017)

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Article Physics, Multidisciplinary

Periodic Airy process and equilibrium dynamics of edge fermions in a trap

Pierre Le Doussal et al.

ANNALS OF PHYSICS (2017)

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Article Materials Science, Multidisciplinary

Approximate light cone effects in a nonrelativistic quantum field theory after a local quench

Bruno Bertini

PHYSICAL REVIEW B (2017)

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Article Physics, Multidisciplinary

Conformal field theory for inhomogeneous one-dimensional quantum systems: the example of non-interacting Fermi gases

Jerome Dubail et al.

SCIPOST PHYSICS (2017)

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Article Physics, Multidisciplinary

Inhomogeneous quenches in a free fermionic chain: Exact results

Jacopo Viti et al.

EPL (2016)

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Article Materials Science, Multidisciplinary

Energy transport between two integrable spin chains

Alberto Biella et al.

PHYSICAL REVIEW B (2016)

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Article Optics

Noninteracting fermions at finite temperature in a d-dimensional trap: Universal correlations

David S. Dean et al.

PHYSICAL REVIEW A (2016)

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Article Physics, Multidisciplinary

Universal front propagation in the quantum Ising chain with domain-wall initial states

V. Eisler et al.

SCIPOST PHYSICS (2016)

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Article Physics, Multidisciplinary

Non-equilibrium conformal field theories with impurities

D. Bernard et al.

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL (2015)

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Article Optics

Random matrices and entanglement entropy of trapped Fermi gases

Pasquale Calabrese et al.

PHYSICAL REVIEW A (2015)

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Article Multidisciplinary Sciences

Strongly correlated quantum walks in optical lattices

Philipp M. Preiss et al.

SCIENCE (2015)

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Article Multidisciplinary Sciences

Experimental observation of a generalized Gibbs ensemble

Tim Langen et al.

SCIENCE (2015)

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Article Materials Science, Multidisciplinary

Quantum quench from a thermal tensor state: Boundary effects and generalized Gibbs ensemble

Mario Collura et al.

PHYSICAL REVIEW B (2014)

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Article Materials Science, Multidisciplinary

Nonequilibrium thermal transport in the quantum Ising chain

Andrea De Luca et al.

PHYSICAL REVIEW B (2013)

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Article Physics, Multidisciplinary

Full Counting Statistics in a Propagating Quantum Front and Random Matrix Spectra

Viktor Eisler et al.

PHYSICAL REVIEW LETTERS (2013)

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Article Physics, Multidisciplinary

Universality in the Full Counting Statistics of Trapped Fermions

Viktor Eisler

PHYSICAL REVIEW LETTERS (2013)

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Article Physics, Multidisciplinary

Exact relations between particle fluctuations and entanglement in Fermi gases

Pasquale Calabrese et al.

EPL (2012)

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Article Physics, Multidisciplinary

Energy flow in non-equilibrium conformal field theory

Denis Bernard et al.

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL (2012)

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Article Physics, Multidisciplinary

Dynamical Correlations After a Quantum Quench

Fabian H. L. Essler et al.

PHYSICAL REVIEW LETTERS (2012)

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Article Multidisciplinary Sciences

Relaxation and Prethermalization in an Isolated Quantum System

M. Gring et al.

SCIENCE (2012)

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Article Optics

Casimir forces between defects in one-dimensional quantum liquids -: art. no. 023616

A Recati et al.

PHYSICAL REVIEW A (2005)

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Review Physics, Multidisciplinary

Shot noise in mesoscopic conductors

YM Blanter et al.

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS (2000)

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Stationary time correlations for fermions after a quench in the presence of an impurity

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