Breakdown of the Wiedemann-Franz law in strongly-coupled electron-phonon system, application to the cuprates

With the superconducting cuprates in mind, a set of unitary transformations was used to decouple electrons and phonons in the strong-coupling limit. While phonons remain almost unrenormalised, electrons are transformed into itinerent singlet and triplet bipolarons and thermally excited polarons. The...

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Bibliographic Details

Main Authors:	K.K. Lee, A.S. Alexandrov, W.Y. Liang
Format:	Default Preprint
Published:	2003
Subjects:	Other physical sciences not elsewhere classified superconductivity strongly correlated electrons Physical Sciences not elsewhere classified
Online Access:	https://hdl.handle.net/2134/1218
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