Nonequilibrium relaxation exponentially delays the onset of quantum diffusion DOI Creative Commons
Srijan Bhattacharyya, Thomas Sayer, Andrés Montoya−Castillo

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2025, Volume and Issue: 122(19)

Published: May 9, 2025

Predicting the exact many-body quantum dynamics of polarons in materials with strong carrier–phonon interactions presents a fundamental challenge, often necessitating one to adopt approximations that sacrifice ability predict transition from nonequilibrium relaxation thermodynamic equilibrium. Here, we exploit recent breakthrough generalizes concept memory beyond its conventional temporal meaning also encompass space. Specifically, leverage our finding observables systems local couplings satisfy Green’s functions kernels are time and This enables us employ small lattices over short times thermodynamically large arbitrarily long timescales while circumventing deleterious impacts finite-size effects. We thus interrogate formation migration one- (1D) two-dimensional (2D) systems, revealing their motion approaches diffusive transport only asymptotically system size. compare 1D 2D investigate effect dimension polaron physics, illustrating how energy variations can cause localization—a phenomenon observable via current microscopy experiments.

Language: Английский

Nonequilibrium relaxation exponentially delays the onset of quantum diffusion DOI Creative Commons
Srijan Bhattacharyya, Thomas Sayer, Andrés Montoya−Castillo

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2025, Volume and Issue: 122(19)

Published: May 9, 2025

Predicting the exact many-body quantum dynamics of polarons in materials with strong carrier–phonon interactions presents a fundamental challenge, often necessitating one to adopt approximations that sacrifice ability predict transition from nonequilibrium relaxation thermodynamic equilibrium. Here, we exploit recent breakthrough generalizes concept memory beyond its conventional temporal meaning also encompass space. Specifically, leverage our finding observables systems local couplings satisfy Green’s functions kernels are time and This enables us employ small lattices over short times thermodynamically large arbitrarily long timescales while circumventing deleterious impacts finite-size effects. We thus interrogate formation migration one- (1D) two-dimensional (2D) systems, revealing their motion approaches diffusive transport only asymptotically system size. compare 1D 2D investigate effect dimension polaron physics, illustrating how energy variations can cause localization—a phenomenon observable via current microscopy experiments.

Language: Английский

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