Paired Electron Pockets in the Hole-Doped Cuprates
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| dc.contributor.author |
Galitski, Victor |
|
| dc.contributor.author |
Sachdev, Subir
|
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| dc.date.accessioned |
2012-01-18T15:56:09Z |
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| dc.date.issued |
2009 |
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| dc.identifier.citation |
Galitski, Victor, and Subir Sachdev. 2009. Paired electron pockets in the hole-doped cuprates. Physical Review B 79(13): 134512. |
en_US |
| dc.identifier.issn |
1098-0121 |
en_US |
| dc.identifier.uri |
http://nrs.harvard.edu/urn-3:HUL.InstRepos:7696990 |
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| dc.description.abstract |
We propose a theory for the underdoped hole-doped cuprates, focusing on the "nodal-anti-nodal dichotomy" observed in recent experiments. Our theory begins with an ordered antiferromagnetic Fermi liquid with electron and hole pockets. We argue that it is useful to consider a quantum transition at which the loss of antiferromagnetic order leads to a hypothetical metallic "algebraic charge liquid" (ACL) with pockets of charge -e and +e fermions, and an emergent U(1) gauge field; the instabilities of the ACL lead to the low temperature phases of the underdoped cuprates. The pairing instability leads to a superconductor with the strongest pairing within the -e Fermi pockets, a d-wave pairing signature for electrons, and very weak nodal-point pairing of the +e fermions near the Brillouin zone diagonals. The influence of an applied magnetic field is discussed using a proposed phase diagram as a function of field strength and doping. We describe the influence of gauge field and pairing fluctuations on the quantum Shubnikov-de Haas oscillations in the normal states induced by the field. For the finite temperature pseudogap region, our theory has some similarities to the phenomenological two-fluid model of -2e bosons and +e fermions proposed by Geshkenbein, Ioffe, and Larkin [Phys. Rev. B 55, 3173 (1997)], which describes anomalous aspects of transverse transport in a magnetic field. |
en_US |
| dc.description.sponsorship |
Physics |
en_US |
| dc.language.iso |
en_US |
en_US |
| dc.publisher |
American Physical Society |
en_US |
| dc.relation.isversionof |
doi:10.1103/PhysRevB.79.134512 |
en_US |
| dc.relation.hasversion |
http://arxiv.org/abs/0901.0005v5 |
en_US |
| dash.license |
OAP |
|
| dc.subject |
strongly correlated electrons |
en_US |
| dc.title |
Paired Electron Pockets in the Hole-Doped Cuprates |
en_US |
| dc.type |
Journal Article |
en_US |
| dc.description.version |
Author's Original |
en_US |
| dc.relation.journal |
Physical Review B |
en_US |
| dash.depositing.author |
Sachdev, Subir
|
|
| dc.date.available |
2012-01-18T15:56:09Z |
|
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FAS Scholarly Articles [5133]
Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
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