Physical Review A 誌に論文掲載

Circuit configurations which may or may not show superradiant phase transitions

Several superconducting circuit configurations are examined on the existence of superradiant phase transitions (SRPTs) in thermal equilibrium. For some configurations consisting of artificial atoms, whose circuit diagrams are however not specified, and an LC resonator or a transmission line, we confirm the absence of SRPTs in the thermal equilibrium following the similar analysis as the no-go theorem for atomic systems. We also show some other configurations where the absence of SRPTs cannot be confirmed.

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Motoaki Bamba and Nobuyuki Imoto
Circuit configurations which may or may not show superradiant phase transitions
Physical Review A 96, 053857 (2017)
arXiv:1703.03533 [quant-ph]

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