NMR Relaxation Time around a Vortex in Stripe Superconductors

M. Takigawa; M. Ichioka; K. Machida

doi:10.1103/PhysRevLett.90.047001

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NMR Relaxation Time around a Vortex in Stripe Superconductors

M. Takigawa, M. Ichioka, K. Machida

DOI 10.1103/PhysRevLett.90.047001 · Physical Review Letters

T1

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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.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Tl2Ba2CuO6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Bi2Sr2CaCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
YBa2Cu4O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown