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http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/8336Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.creator | Kübert C. | - |
| dc.date | 2003 | - |
| dc.date.accessioned | 2013-06-01T10:53:09Z | - |
| dc.date.available | 2013-06-01T10:53:09Z | - |
| dc.date.issued | 2013-06-01 | - |
| dc.identifier | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332003000400024 | - |
| dc.identifier | http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2003&volume=33&issue=4&spage=754 | - |
| dc.identifier.uri | http://koha.mediu.edu.my:8181/jspui/handle/123456789/8336 | - |
| dc.description | We argue that the spatial distribution of resonant impurity states in underdoped high-Tc superconductors serves as a probe for distinguishing different theoretical models for the pseudogap state. Superconducting pairing fluctuations are characterized by off-diagonal short-range order which distinguishes them from other possible instabilities that could give rise to the pseudogap phenomena. Due to the mixture of particle and hole states in a superconductor an impurity resonant state is composed of both a particle and a hole-like component. On the contrary a state with a gap induced by a particle-hole instability, like a d-density wave (DDW) or spin-density wave (SDW), exhibits no off-diagonal short-range order and consequently a resonant impurity state consists of only one either particle or hole-like component. Furthermore, a charge-spin separated state shows no resonance state at all inside the gap region. | - |
| dc.publisher | Sociedade Brasileira de Física | - |
| dc.source | Brazilian Journal of Physics | - |
| dc.title | Distinguishing models for the pseudo-gap in cuprate superconductors by probing the spatial distribution of impurity States | - |
| Appears in Collections: | Physics and Astronomy | |
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