Role of CuO chains in vortex core structure in YBa2Cu3O{7-delta}
classification
❄️ cond-mat.supr-con
cond-mat.str-el
keywords
chainscorevortexdeltafieldmagneticmodelstructure
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The Bogoliubov-deGennes equations are solved for a proximity model for YBa_2Cu_3O_{7-\delta} in a magnetic field. The model explicitly includes the effects of the one-dimensional CuO chains, whose influence on the vortex core structure is studied. The rapid vortex core contraction as a function of field which is seen experimentally at low magnetic fields is naturally explained by the presence of the chains.
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