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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A quantum battery is proposed on the coherent Ising machine platform, with coherent ergotropy shown to decay slower than incoherent ergotropy and to peak simultaneously with charging power at an optimal pump switch-off time.
A dissipative two-mode ultrastrongly coupled bosonic system yields enhanced charging energy and ergotropy in transient and steady states through combined interactions, with the vector potential term preventing phase transitions in the deep-strong regime.
citing papers explorer
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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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Quantum batteries in coherent Ising machine
A quantum battery is proposed on the coherent Ising machine platform, with coherent ergotropy shown to decay slower than incoherent ergotropy and to peak simultaneously with charging power at an optimal pump switch-off time.
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Dissipative Quantum Battery in the Ultrastrong Coupling Regime Between Two Oscillators
A dissipative two-mode ultrastrongly coupled bosonic system yields enhanced charging energy and ergotropy in transient and steady states through combined interactions, with the vector potential term preventing phase transitions in the deep-strong regime.