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Phase boundary of a cubic superconducting circuit in a magnetic field of arbitrary magnitude and direction

Chia-Ren Hu, Chen-Hong Huang

DOI 10.1103/PhysRevB.43.7718 · Physical Review B

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Abstract

An exact analytic expression for the mean-field phase boundary Tc(H) of a cubic superconducting circuit in an arbitrary external-magnetic-field vector H is derived. The phase boundary of this circuit is shown to depend in a complex and sensitive way on both the magnitude and the direction of the magnetic field. Some practical applications of these properties are also suggested.

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