Interaction-Driven Instabilities in the Random-Field 
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 Chain

Colbois, Jeanne; Alet, Fabien; Laflorencie, Nicolas

doi:10.1103/physrevlett.133.116502

Phys. Rev. Lett.

2024

DOI: 10.1103/physrevlett.133.116502

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Interaction-Driven Instabilities in the Random-Field XXZ Chain

Jeanne Colbois,

Fabien Alet,

Nicolas Laflorencie

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2024

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Cited by 3 publications

References 92 publications

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Thermalization propagation front and robustness against avalanches in localized systems

Scocco,

Passarelli,

Collura

et al. 2024

Phys. Rev. B

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Thermalization propagation front and robustness against avalanches in localized systems

Scocco,

Passarelli,

Collura

et al. 2024

Phys. Rev. B

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Many-body localization crossover is sharper in a quasiperiodic potential

Falcão,

Aramthottil,

Sierant

et al. 2024

Phys. Rev. B

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Survival Probability, Particle Imbalance, and Their Relationship in Quadratic Models

Hopjan,

Vidmar

2024

Entropy

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We argue that the dynamics of particle imbalance in quadratic fermionic models is, for the majority of initial many-body product states in the site occupation basis, virtually indistinguishable from the dynamics of survival probabilities of single-particle states. We then generalize our statement to a similar relationship between the non-equal time and space density correlation functions in many-body states, and the transition probabilities of single-particle states at nonzero distances. Finally, we study the equal-time connected density–density correlation functions in many-body states, which exhibit certain qualitative analogies with the survival and transition probabilities of single-particle states. Our results are numerically tested for two paradigmatic models of single-particle localization: the 3D Anderson model and the 1D Aubry–André model. This work gives an affirmative answer to the question of whether it is possible to measure features of single-particle survival and transition probabilities by the dynamics of observables in many-body states.

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Interaction-Driven Instabilities in the Random-Field XXZ Chain

Cited by 3 publications

References 92 publications

Thermalization propagation front and robustness against avalanches in localized systems

Thermalization propagation front and robustness against avalanches in localized systems

Many-body localization crossover is sharper in a quasiperiodic potential

Survival Probability, Particle Imbalance, and Their Relationship in Quadratic Models

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