Order parameter node removal in the d-wave superconductor $YBa_{2}Cu_{3}O_{7-x}$ under magnetic field

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dc.creatorBeck, R.
dc.creatorDagan, Y.
dc.creatorMilner, A.
dc.creatorGerber, A.
dc.creatorDeutscher, G.
dc.date2002-12-18
dc.date2002-12-22
dc.date.accessioned2026-07-07T02:48:49Z
dc.date.available2026-07-07T02:48:49Z
dc.descriptionhether the node in the order parameter characteristic of a $d-wave$ superconductor can or cannot be removed by an applied magnetic field has been a subject of debate in recent years. Thermal conductivity results on the high Tc superconductor $Bi_{2}Sr_{2}CaCu_{2}O_{8}$ originally explained by Laughlin in terms of such a node removal were complicated by hysteresis effects, and judged inconclusive. We present new tunneling data on $YBa_{2}Cu_{3}O_{7-x}$ that support the existence of the node removal effect, under specific orientations of the sample's surfaces and magnetic field. We also explain the hysteretic behavior and other previous tunneling results so far not understood satisfactorily, attributing them to a combination of node removal and Doppler shift of low energy surface bound states.
dc.description3 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0212447
dc.identifierhttp://arxiv.org/abs/cond-mat/0212447
dc.identifierPhys. Rev. B 69, 144506 (2004)
dc.identifierdoi:10.1103/PhysRevB.69.144506
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20560
dc.subjectSuperconductivity
dc.titleOrder parameter node removal in the d-wave superconductor $YBa_{2}Cu_{3}O_{7-x}$ under magnetic field
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