Frustrated phase separation and high temperature superconductivity

Conference · Tue Sep 01 00:00:00 EDT 1992

OSTI ID:10169921

Emery, V J ^[1]; Kivelson, S A ^[2]

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1. Brookhaven National Lab., Upton, NY (United States)
2. California Univ., Los Angeles, CA (United States). Dept. of Physics

A dilute system of neutral holes in an antiferromagnet separates into a hole-rich and a hole-poor phase. The phase separation is frustrated by long-range Coulomb interactions but, provided the dielectric constant is sufficiently large, there remain large-amplitude low-energy fluctuations in the hole density at intermediate length scales. The extensive experimental evidence showing that this behavior giver, a reasonable picture of high temperature superconductors is surveyed. Further, it is shown that the scattering of mobile holes from the local density fluctuations may account for the anomalous normal-state properties of high temperature superconductors and also provide the mechanism of pairing.

• Research Organization: Brookhaven National Lab., Upton, NY (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-76CH00016
• OSTI ID: 10169921
• Report Number(s): BNL-47796; CONF-9205236-1; ON: DE92019249
• Resource Relation: Conference: Conference on phase separation in cuprate superconductors,Sicily (Italy),6-12 May 1992; Other Information: PBD: [1992]
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
HIGH-TC SUPERCONDUCTORS
SUPERCONDUCTIVITY
ANTIFERROMAGNETIC MATERIALS
ABSORPTION SPECTROSCOPY
BARIUM OXIDES
YTTRIUM OXIDES
CUPRATES
PHASE STUDIES
MAGNETIC PROPERTIES
360204
360207
665411
PHYSICAL PROPERTIES