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Superconducting Qubits
Open Quantum Systems Decoherence
Quantum Simulation
Mesoscopic superfluid to superconductor transition
arXiv
Authors: Yehoshua Winsten, Doron Cohen
Year
2025
Paper ID
16017
Status
Preprint
Abstract Read
~2 min
Abstract Words
96
Citations
N/A
Abstract
Spectrum tomography for the energy (E) of a ring-shaped Bose-Hubbard circuit is illustrated. There is an inter-particle interaction U that controls superfluidity (SF) and the transition to the Mott Insulator (MI) regime. The circuit is coupled to an electromagnetic cavity mode of frequency ω0, and the coupling is characterized by a generalized fine-structure-constant α that controls the emergence of superconductivity (SC). The {\(U,α,ω0,E\)} diagram features SF and SC regions, a vast region of fragmented possibly chaotic states, and an MI regime for large U. The mesoscopic version of the Meissner effect and the Anderson-Higgs mechanism are discussed.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- Spectrum tomography for the energy (E) of a ring-shaped Bose-Hubbard circuit is illustrated.
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