A thermal ensemble of 10^12 rubidium atoms functions as a room-temperature quantum battery with capacity enhanced by coherence and quantitatively linked to entropy measures via operational unitary protocols.
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Phase engineering in waveguide QED enables unidirectional remote charging of quantum batteries with independent control of nonreciprocity and storage efficiency across four emitter-waveguide configurations.
Finite quantum batteries in geometric Landau-Zener interferometry produce sector-resolved evolution, contrast loss, and back-action that benchmark phase-coherent energy delivery.
Two-photon parametric amplification in a superconducting circuit exponentially strengthens cavity-qubit coupling, enabling faster charging and decoherence-resistant energy storage in a quantum battery.
Loss in an auxiliary cavity induces nonreciprocal excitation exchange in a three-cavity quantum battery, yielding significantly higher steady-state energy in the battery than the charger.
Tuning charger frequency to resonance in a 1D bosonic quantum battery achieves perfect energy transfer, with many-body effects and attractive interactions enhancing charging power and efficiency over single-particle cases.
Topology in a PT-symmetric SSH quantum battery produces an edge exceptional point at smaller gain-loss strength, yielding better transient and long-time charging, stored energy, and extractable work than the trivial configuration.
Defines isoergotropic states and ergotropy-preserving operations that redistribute coherent-incoherent or displacement-squeezing components in quantum batteries without changing total ergotropy.
citing papers explorer
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Thermal vapor quantum battery based on collective atomic spins
A thermal ensemble of 10^12 rubidium atoms functions as a room-temperature quantum battery with capacity enhanced by coherence and quantitatively linked to entropy measures via operational unitary protocols.
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Phase-tunable remote nonreciprocal charging in waveguide QED
Phase engineering in waveguide QED enables unidirectional remote charging of quantum batteries with independent control of nonreciprocity and storage efficiency across four emitter-waveguide configurations.
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Quantum-Battery-Powered Geometric Landau-Zener Interferometry
Finite quantum batteries in geometric Landau-Zener interferometry produce sector-resolved evolution, contrast loss, and back-action that benchmark phase-coherent energy delivery.
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Quantum battery optimized by parametric amplification
Two-photon parametric amplification in a superconducting circuit exponentially strengthens cavity-qubit coupling, enabling faster charging and decoherence-resistant energy storage in a quantum battery.
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Loss-induced nonreciprocal quantum battery
Loss in an auxiliary cavity induces nonreciprocal excitation exchange in a three-cavity quantum battery, yielding significantly higher steady-state energy in the battery than the charger.
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Enhancing ultracold atomic batteries using tunable interactions
Tuning charger frequency to resonance in a 1D bosonic quantum battery achieves perfect energy transfer, with many-body effects and attractive interactions enhancing charging power and efficiency over single-particle cases.
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Topological enhancement of a PT-symmetric Su-Schrieffer-Heeger quantum battery
Topology in a PT-symmetric SSH quantum battery produces an edge exceptional point at smaller gain-loss strength, yielding better transient and long-time charging, stored energy, and extractable work than the trivial configuration.
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Charge-Preserving Operations in Quantum Batteries
Defines isoergotropic states and ergotropy-preserving operations that redistribute coherent-incoherent or displacement-squeezing components in quantum batteries without changing total ergotropy.