期刊
PHYSICAL REVIEW LETTERS
卷 117, 期 17, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.117.173601
关键词
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资金
- ImPACT Program of Council for Science, Technology and Innovation (Cabinet Office, Government of Japan)
- JSPS KAKENHI [26287087, 26220601, 15K17731]
- Grants-in-Aid for Scientific Research [26220601, 15K17731, 26287087] Funding Source: KAKEN
We propose a superconducting circuit that shows a superradiant phase transition (SRPT) in thermal equilibrium. The existence of the SRPT is confirmed analytically in the limit of an infinite number of artificial atoms. We also perform a numerical diagonalization of the Hamiltonian with a finite number of atoms and observe an asymptotic behavior approaching the infinite limit as the number of atoms increases. The SRPT can also be interpreted intuitively in a classical analysis.
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