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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4 Pith papers cite this work. Polarity classification is still indexing.
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2026 4verdicts
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Spin Kerr-cat qubits encode information in the lowest levels of a Z2-symmetric nuclear-spin Hamiltonian in quadrupolar nuclei to achieve first-order dephasing suppression, yielding estimated T2* of 100 s for 123Sb in silicon and 99% two-qubit gate fidelity with quadrupolar enhancement.
A quartic extension of the twisting-and-turning Hamiltonian generates new unstable fixed points that accelerate short-time amplification of quantum fluctuations, yielding enhanced sensitivity within accessible coherence times.
Pair tunneling from dipolar interactions in a double-well Bose-Hubbard model induces ground-state parity modulations, qualitatively alters quantum phase transitions to NOON states, shifts critical points, and modifies macroscopic quantum self-trapping conditions.
citing papers explorer
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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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Spin Kerr-cat qubits
Spin Kerr-cat qubits encode information in the lowest levels of a Z2-symmetric nuclear-spin Hamiltonian in quadrupolar nuclei to achieve first-order dephasing suppression, yielding estimated T2* of 100 s for 123Sb in silicon and 99% two-qubit gate fidelity with quadrupolar enhancement.
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Instability-Enhanced Quantum Sensing with Tunable Multibody Interactions
A quartic extension of the twisting-and-turning Hamiltonian generates new unstable fixed points that accelerate short-time amplification of quantum fluctuations, yielding enhanced sensitivity within accessible coherence times.
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Equilibrium and dynamical quantum phase transitions in dipolar atomic Josephson junctions
Pair tunneling from dipolar interactions in a double-well Bose-Hubbard model induces ground-state parity modulations, qualitatively alters quantum phase transitions to NOON states, shifts critical points, and modifies macroscopic quantum self-trapping conditions.