Shifts of the nuclear resonance in the vortex lattice in YBa2Cu3O7
Pavel Lipavský, Jan Kolá{č}ek, Klaus Morawetz, Ernst Helmut Brandt
Abstract
The NMR and NQR spectra of 63Cu in the CuO2 plane of YBa2Cu3O7 in the superconducting state are discussed in terms of the phenomenological theory of Ginzburg-Landau type extended to lower temperatures. We show that the observed spectra, Kumagai et al., PRB 63, 144502 (2001), can be explained by a standard theory of the Bernoulli potential with the charge transfer between CuO2 planes and CuO chains assumed.
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