Topological Excitations in Two-Dimensional Superconductors
Sebastian DoniachDepartment of Applied Physics, Stanford University, Stanford, California 94305Bernardo A. HubermanDepartment of Applied Physics, Stanford University, Stanford, California 94305
1979en
ABI
Аннотация
We propose a method to calculate the unbinding of a gas of thermally activated vortex pairs above a critical temperature ${T}_{2\mathrm{D}}$ lying below the bulk transition temperature ${T}_{\mathrm{B}\mathrm{}\mathrm{CS}}$ of thin superconducting films, as a function of temperature and applied magnetic field. We hence determine the phase diagram of the films and their resistivity as a function of field and temperature.
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