Exact solution of a one-dimensional fermion model with interchain tunneling.
نویسندگان
چکیده
A fermion model consisting of two chains with interchain tunneling is formulated and solved exactly by the Bethe ansatz method. The interchain tunneling leads to Cooper pair like bound states and a threshold energy is required to overcome the binding energy. The correlation functions manifest superconducting properties.
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عنوان ژورنال:
- Physical review. B, Condensed matter
دوره 50 13 شماره
صفحات -
تاریخ انتشار 1994