NMR relaxation time around a vortex in stripe superconductors
Abstract
Site-dependent NMR relaxation time T1( r) is calculated in the vortex state using the Bogoliubov-de Gennes theory, taking account of possible "field-induced stripe'' states in which the magnetism arises locally around a vortex core in d-wave superconductivity. The recently observed huge enhancement T1-1( r) below Tc at a core site in Tl2Ba2CuO6 is explained. The field-induced stripe picture explains consistently other relevant STM and neutron experiments.
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