Issue |
EPL
Volume 98, Number 5, June 2012
|
|
---|---|---|
Article Number | 57005 | |
Number of page(s) | 6 | |
Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
DOI | https://doi.org/10.1209/0295-5075/98/57005 | |
Published online | 08 June 2012 |
Interlayer couplings and the coexistence of antiferromagnetic and d-wave pairing order in multilayer cuprates
1
Department of Physics, South University of Science and Technology of China Shenzhen, Guangdong 518055, China
2
Department of Physics, and Center of Theoretical and Computational Physics, The University of Hong Kong Hong Kong, China
3
Institute of Physics, Chinese Academy of Sciences - P.O. Box 603, Beijing 100190, China
4
Institut für Theoretische Physik, ETH Zürich - CH-8093 Zürich, Switzerland
5
Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory Upton, NY 11973, USA
Received:
14
March
2012
Accepted:
11
May
2012
A more extended low-density region of coexisting uniform antiferromagnetism and d-wave superconductivity has been reported in multilayer cuprates, when compared to single-layer or bilayer cuprates. This coexistence could be due to the enhanced screening of random potential modulations in inner layers or to the interlayer Heisenberg and Josephson couplings. A theoretical analysis using a renormalized mean-field theory favors the former explanation. The potential for an improved determination of the antiferromagnetic and superconducting order parameters in an ideal single layer from zero-field NMR and infrared Josephson plasma resonances in multilayer cuprates is discussed.
PACS: 74.72.-h – Cuprate superconductors / 74.78.Fk – Multilayers, superlattices, heterostructures / 74.25.Dw – Superconductivity phase diagrams
© EPLA, 2012
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