Operators evolving under the adjoint Liouvillian in open quantum systems can exhibit a genuine Mpemba effect, with general conditions derived and validated across three setups.
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A new Gaussian asymmetry measure is defined that quantifies the minimal distance from a Gaussian state to the manifold of symmetric Gaussian states while capturing established dynamical signatures of entanglement asymmetry.
In chaotic quantum systems with conservation laws, states initially farther from equilibrium can thermalize faster than closer ones via hydrodynamic relaxation differences, realizing the quantum Mpemba effect.
Incorporating noise-induced quasiparticle correlations in the ν=1 QSSEP model yields the full-time distribution of entanglement entropy and shows the quantum Mpemba effect is extremely fine-tuned and hard to observe.
In the long-range Haldane-Shastry model, pristine Poisson level statistics emerge only with combined position disorder and random magnetic fields, with an approximate scaling collapse governed by the product αδ when SU(2) symmetry is broken.
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Quantum Mpemba effect for operators in open systems
Operators evolving under the adjoint Liouvillian in open quantum systems can exhibit a genuine Mpemba effect, with general conditions derived and validated across three setups.
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A Gaussian asymmetry measure
A new Gaussian asymmetry measure is defined that quantifies the minimal distance from a Gaussian state to the manifold of symmetric Gaussian states while capturing established dynamical signatures of entanglement asymmetry.
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Quantum Mpemba effect in chaotic systems with conservation laws
In chaotic quantum systems with conservation laws, states initially farther from equilibrium can thermalize faster than closer ones via hydrodynamic relaxation differences, realizing the quantum Mpemba effect.
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Dynamics of entanglement fluctuations and quantum Mpemba effect in the $\nu=1$ QSSEP model
Incorporating noise-induced quasiparticle correlations in the ν=1 QSSEP model yields the full-time distribution of entanglement entropy and shows the quantum Mpemba effect is extremely fine-tuned and hard to observe.
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Level statistics of the disordered Haldane-Shastry model with $1/r^\alpha$ interaction
In the long-range Haldane-Shastry model, pristine Poisson level statistics emerge only with combined position disorder and random magnetic fields, with an approximate scaling collapse governed by the product αδ when SU(2) symmetry is broken.
- Symmetry-Protected Fast Relaxation and the Strong Quantum Mpemba Effect