Dissipative dynamics of a Josephson junction in the Bose gases
R. A. Barankov, S. N. Burmistrov
DOI 10.1103/PhysRevA.67.013611 · Physical Review A
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Abstract
The dissipative dynamics of a Josephson junction in Bose gases is considered within the framework of the model of a tunneling Hamiltonian. The effective action that describes the dynamics of the phase difference across the junction is derived using the functional integration method. The dynamic equation obtained for the phase difference across the junction is analyzed for the finite temperatures in the low-frequency limit involving the radiation terms. The asymmetric case of the Bose gases with the different order parameters is calculated as well.
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