Dynamical quantum phase transitions in free-fermion quantum batteries produce nonanalytic singularities in long-time stored energy by making critical momentum modes charge perfectly at specific times.
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Introduces statistical dynamical quantum phase transitions via Born-rule sampling of post-measurement states in quenched Ising chains, recovering DQPT features in high moments and proposing a measurement-based simulation protocol.
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Dynamical Criticality Behind Energy-Storage Singularities in Quantum Batteries
Dynamical quantum phase transitions in free-fermion quantum batteries produce nonanalytic singularities in long-time stored energy by making critical momentum modes charge perfectly at specific times.
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Born-rule statistical dynamical quantum phase transitions under measurement
Introduces statistical dynamical quantum phase transitions via Born-rule sampling of post-measurement states in quenched Ising chains, recovering DQPT features in high moments and proposing a measurement-based simulation protocol.