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Ultrafast mid-infrared response of YBa(2)Cu(3)O(7-delta)

Abstract:

Optical spectra of high-transition-temperature superconductors in the mid-infrared display a gap of in-plane conductivity whose role for superconductivity remains unresolved. Femtosecond measurements of the mid-infrared reflectivity of YBa(2)Cu(3)O(7-delta) after nonequilibrium optical excitation are used to demonstrate the ultrafast fill-in of this gap and reveal two gap constituents: a picosecond recovery of the superconducting condensate in underdoped and optimally doped material and, in u...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
Science (New York, N.Y.) More from this journal
Volume:
287
Issue:
5452
Pages:
470-473
Publication date:
2000-01-01
DOI:
EISSN:
1095-9203
ISSN:
0036-8075
Language:
English
Pubs id:
pubs:5889
UUID:
uuid:69751478-15dc-4299-b06b-46cf4ce4bc1d
Local pid:
pubs:5889
Source identifiers:
5889
Deposit date:
2012-12-19

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