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A multi-component Fermi surface in the vortex state of an underdoped high-T c superconductor

A multi-component Fermi surface in the vortex state of an underdoped high-T c superconductor Recent quantum oscillation experiments on high transition temperature (T c) copper oxide superconductors have revealed the existence of a Fermi surface akin to that in normal metals, comprising fermionic carriers that undergo orbital quantization. The unexpectedly small size of the observed carrier pocket, however, leaves open a variety of possibilities for the existence or form of any underlying magnetic order, and its relation to d-wave superconductivity. Sebastian et al. report experiments on YBa2Cu3O6.51 that reveal more than one carrier pocket. They find evidence for the existence of a much larger pocket of heavier mass carriers playing a thermodynamically dominant role in this hole-doped superconductor. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Springer Journals

A multi-component Fermi surface in the vortex state of an underdoped high-T c superconductor

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References (41)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Macmillan Publishers Limited. All rights reserved
Subject
Science, Humanities and Social Sciences, multidisciplinary; Science, Humanities and Social Sciences, multidisciplinary; Science, multidisciplinary
ISSN
0028-0836
eISSN
1476-4687
DOI
10.1038/nature07095
Publisher site
See Article on Publisher Site

Abstract

Recent quantum oscillation experiments on high transition temperature (T c) copper oxide superconductors have revealed the existence of a Fermi surface akin to that in normal metals, comprising fermionic carriers that undergo orbital quantization. The unexpectedly small size of the observed carrier pocket, however, leaves open a variety of possibilities for the existence or form of any underlying magnetic order, and its relation to d-wave superconductivity. Sebastian et al. report experiments on YBa2Cu3O6.51 that reveal more than one carrier pocket. They find evidence for the existence of a much larger pocket of heavier mass carriers playing a thermodynamically dominant role in this hole-doped superconductor.

Journal

NatureSpringer Journals

Published: Jul 10, 2008

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