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Evidence for two-component superconductivity in the femtosecond optical and transient photoconducting response of YBa2Cu3O7-delta.

Abstract:

Femtosecond time-resolved spectroscopy and transient photoconductivity measurements have been used to investigate the time-dynamics, frequency dependence and symmetry of electronic excitations associated with the opening of the superconducting gap in YBa2Cu3O7-delta. Two clearly identifyable relaxation components are observed operative on nanosecond and picosecond timescales respectively, implying the co-existence of localized states and band-like carriers both in the superconducting and norm...

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Publication status:
Published

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Authors


Mihailovic, D More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Podobnik, B More by this author
Zavrtanik, M More by this author
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Volume:
282
Issue:
PART 1
Pages:
186-189
Publication date:
1997-08-05
DOI:
ISSN:
0921-4534
URN:
uuid:c3fc535c-b021-410a-b47b-0e94bcb2a1e7
Source identifiers:
12021
Local pid:
pubs:12021

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