Superfluid suppression in d-wave superconductors due to disordered magnetism

Atkinson  WA

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Superfluid suppression in d-wave superconductors due to disordered magnetism

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The influence of static magnetic correlations on the temperature-dependent superfluid density rho(s)(T) is calculated for d-wave superconductors. In self-consistent calculations, itinerant holes form incommensurate spin density waves (SDW) which coexist with superconductivity. In the clean limit, the density of states is gapped, and rho(s)(T < T-c) is exponentially activated. In inhomogeneously doped cases, the SDW are disordered and both the density of states and rho(s)(T) obtain forms indistinguishable from those in dirty but pure d-wave superconductors, in accordance with experiments. We conclude that the observed collapse of rho(s) at x approximate to 0.35 in underdoped YBa2Cu3O6+x may plausibly be attributed to the coexistence of SDW and superconductivity.

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《Physical review, B. Condensed matter and materials physics》 |2007年第2期|4510-1-4510-6-0|共6页
作者
Atkinson WA;
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作者单位

Trent Univ, Peterborough, ON K9J 7B8, Canada;

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原文格式 PDF
正文语种英语
中图分类固体物理学;
关键词
MEAN-FIELD-THEORY; HIGH-TEMPERATURE SUPERCONDUCTOR; T-C; ANTIFERROMAGNETISM; DENSITY; STATE; PHASE;

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机译：Off-Diagonal Nonmagnetic Disorder in s- and d-Wave Superconductors
2. Quantum critical fluctuations in disordered d-wave superconductors - art. no. 107001 [J] . Meyer JS., Gornyi IV., Altland A. Physical review letters . 2003,第10期

机译：Quantum critical fluctuations in disordered d-wave superconductors - art. no. 107001
3. Quasiparticle conductivities in disordered d-wave superconductors - art. no. 076603 [J] . Fabrizio M., DellAnna L., Castellani C. Physical review letters . 2002,第7期

机译：Quasiparticle conductivities in disordered d-wave superconductors - art. no. 076603
4. Superfluid/ferromagnet/superfluid-junction and #x03C0;-phase in a superfluid Fermi gas at finite temperatures [C] . Kashimura Takashi, Tsuchiya S., Ohashi Y. International Symposium on Access Spaces . 2011

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Superfluid suppression in d-wave superconductors due to disordered magnetism

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