Upper critical magnetic field in quasi-one-dimensional superconductors
Buzdin A.I., Bulaevskii L.N.
The effect of magnetic field on superconducting ordering in quasi-one-dimensional superconductors is examined. It is suggested that the three-dimensional, superconducting order parameter is established due to electron transfer between the chains. The orbital effect in this case leads to the result that the perpendicular critical field with respect to the chains Нс21—юо as T—>0, and Tc turns out to be a periodic function of the field that is parallel to the chains.