A modulator-assisted Zeno protocol enables indirect on-off control of charger-battery energy transfer in quantum batteries via repeated local unitaries on an auxiliary qubit, preserving N^{3/2} charging power scaling.
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Dissipative dynamics activate finite ergotropy from thermal quantum spin chains, with collective effects creating temperature- and size-dependent steady-state passivity via dark subspaces, while dephasing suppresses extraction.
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Modulator-Assisted Zeno Control of Energy Transfer in Quantum Batteries
A modulator-assisted Zeno protocol enables indirect on-off control of charger-battery energy transfer in quantum batteries via repeated local unitaries on an auxiliary qubit, preserving N^{3/2} charging power scaling.
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Charging Quantum Batteries via Dissipative Quenches
Dissipative dynamics activate finite ergotropy from thermal quantum spin chains, with collective effects creating temperature- and size-dependent steady-state passivity via dark subspaces, while dephasing suppresses extraction.
- Quantum advantage from negativity of a work quasiprobability distribution