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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Typical trace-distance relaxation concentrates around a mean in open quantum systems, producing typical mixing times separated from worst-case by rare-state bottlenecks that scale logarithmically, linearly, or exponentially depending on the slow modes.
Trapped-ion experiment reveals multi-Mpemba effect with multiple trajectory crossings, explained by a phase diagram combining SDM overlap and initial relaxation speed from the fastest decay mode.
In an SU(2)-symmetric long-range XXZ chain with dephasing, highly symmetric states relax via an exact Liouvillian eigenmode of rate -2 independent of size, enabling a strong quantum Mpemba effect.
citing papers explorer
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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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Typical Mixing and Rare-State Bottlenecks in Open Quantum Systems
Typical trace-distance relaxation concentrates around a mean in open quantum systems, producing typical mixing times separated from worst-case by rare-state bottlenecks that scale logarithmically, linearly, or exponentially depending on the slow modes.
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Observation of quantum multi-Mpemba effect in a trapped-ion system
Trapped-ion experiment reveals multi-Mpemba effect with multiple trajectory crossings, explained by a phase diagram combining SDM overlap and initial relaxation speed from the fastest decay mode.
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Symmetry-Protected Fast Relaxation and the Strong Quantum Mpemba Effect
In an SU(2)-symmetric long-range XXZ chain with dephasing, highly symmetric states relax via an exact Liouvillian eigenmode of rate -2 independent of size, enabling a strong quantum Mpemba effect.