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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Transverse interactions in Dicke QBs induce collective spin squeezing for exponential coupling boost and act as nonlinear torque to guide optimal charging paths, remaining robust under dissipation and sometimes outperforming ideal cases.
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.
A two-level approximation predicts that bosonic atoms in a 1D trap form a faster quantum battery as particle number grows, with power scaling as the square root of the atom number.
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.
Defines isoergotropic states and ergotropy-preserving operations that redistribute coherent-incoherent or displacement-squeezing components in quantum batteries without changing total ergotropy.
Squeezing-induced symmetry breaking exponentially amplifies nonreciprocity in cavity-reservoir systems, boosting quantum battery metrics and optical isolation by orders of magnitude.
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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Spin-Squeezing-Enhanced Charging for Quantum Dicke Batteries
Transverse interactions in Dicke QBs induce collective spin squeezing for exponential coupling boost and act as nonlinear torque to guide optimal charging paths, remaining robust under dissipation and sometimes outperforming ideal cases.
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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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Enhancing ultracold atomic batteries using many-body resonances
A two-level approximation predicts that bosonic atoms in a 1D trap form a faster quantum battery as particle number grows, with power scaling as the square root of the atom number.
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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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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.
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Enhancing Nonreciprocity through Squeezing-Induced Symmetry Breaking
Squeezing-induced symmetry breaking exponentially amplifies nonreciprocity in cavity-reservoir systems, boosting quantum battery metrics and optical isolation by orders of magnitude.