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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Superradiant phase transition in the anisotropic Rabi model arises from competition among three Hamiltonian patterns and is equivalently simulated by a parametrically-driven Jaynes-Cummings model where excitation energies vanish at criticality.
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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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Dissecting the superradiant phase transition in the anisotropic Rabi model: Pattern competition and cavity-QED simulation
Superradiant phase transition in the anisotropic Rabi model arises from competition among three Hamiltonian patterns and is equivalently simulated by a parametrically-driven Jaynes-Cummings model where excitation energies vanish at criticality.