期刊
PHYSICAL REVIEW B
卷 79, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.79.245116
关键词
barium compounds; diamagnetism; doping profiles; Fermi surface; flux-line lattice; high-temperature superconductors; materials preparation; phase diagrams; superconducting energy gap; superconducting transition temperature; yttrium compounds
资金
- NSF [DMR-0705255, DMR-0804040]
The underdoped cuprates have a number of interesting and unusual properties that often seem hard to reconcile with one another. In this paper we show how many of these diverse phenomena can be synthesized into a single coherent theoretical picture. Specifically we present a description where a pseudogap and gapless Fermi arcs exist in the normal state above the superconducting transition temperature (T-c) but give way to the observed quantum oscillations and other phenomena at low temperature when the superconductivity is suppressed by a magnetic field. We show the consistency between these phenomena and observations of enhanced Nernst and diamagnetic signals above T-c. We also develop a description of the vortex core inside the superconducting state and discuss its relation with the high-field phenomena.
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