Maassen van den Brink, Alec; Dekker, H - In: Physica A: Statistical Mechanics and its Applications 237 (1997) 3, pp. 471-514
The rapid increase of the Josephson free energy as the temperature of a tunneling junction drops below the superconducting transition temperature Tc is shown to make this transition of first order if the phase difference across the junction is constrained to have a nonzero value. Taking this...