Literature DB >> 16197037

Abrupt transition in quasiparticle dynamics at optimal doping in a cuprate superconductor system.

N Gedik1, M Langner, M Langer, J Orenstein, S Ono, Yasushi Abe, Yoichi Ando.   

Abstract

We report time-resolved measurements of the photoinduced change in reflectivity, DeltaR, in the Bi2Sr2Ca(1-y)Dy(y)Cu2O8+delta (BSCCO) system of cuprate superconductors as a function of hole concentration. We find that the kinetics of quasiparticle decay and the sign of DeltaR both change abruptly where the superconducting transition temperature T(c) is maximal. These coincident changes suggest that a sharp transition in quasiparticle dynamics takes place precisely at optimal doping in the BSCCO system.

Year:  2005        PMID： 16197037     DOI： 10.1103/PhysRevLett.95.117005

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN： 0031-9007            Impact factor:   9.161


  6 in total

1.  Direct role of structural dynamics in electron-lattice coupling of superconducting cuprates.

Authors:  Fabrizio Carbone; Ding-Shyue Yang; Enrico Giannini; Ahmed H Zewail
Journal:  Proc Natl Acad Sci U S A       Date:  2008-12-18       Impact factor: 11.205

2.  Signatures of the electronic nature of pairing in high-T(c) superconductors obtained by non-equilibrium boson spectroscopy.

Authors:  Vladimir M Krasnov; Sven-Olof Katterwe; Andreas Rydh
Journal:  Nat Commun       Date:  2013       Impact factor: 14.919

3.  Revealing the high-energy electronic excitations underlying the onset of high-temperature superconductivity in cuprates.

Authors:  Claudio Giannetti; Federico Cilento; Stefano Dal Conte; Giacomo Coslovich; Gabriele Ferrini; Hajo Molegraaf; Markus Raichle; Ruixing Liang; Hiroshi Eisaki; Martin Greven; Andrea Damascelli; Dirk van der Marel; Fulvio Parmigiani
Journal:  Nat Commun       Date:  2011-06-14       Impact factor: 14.919

4.  Ultrafast melting and recovery of collective order in the excitonic insulator Ta2NiSe5.

Authors:  Hope M Bretscher; Paolo Andrich; Prachi Telang; Anupam Singh; Luminita Harnagea; A K Sood; Akshay Rao
Journal:  Nat Commun       Date:  2021-03-16       Impact factor: 14.919

5.  Photo-enhanced antinodal conductivity in the pseudogap state of high-Tc cuprates.

Authors:  F Cilento; S Dal Conte; G Coslovich; S Peli; N Nembrini; S Mor; F Banfi; G Ferrini; H Eisaki; M K Chan; C J Dorow; M J Veit; M Greven; D van der Marel; R Comin; A Damascelli; L Rettig; U Bovensiepen; M Capone; C Giannetti; F Parmigiani
Journal:  Nat Commun       Date:  2014-07-11       Impact factor: 14.919

6.  Stimulated emission of Cooper pairs in a high-temperature cuprate superconductor.

Authors:  Wentao Zhang; Tristan Miller; Christopher L Smallwood; Yoshiyuki Yoshida; Hiroshi Eisaki; R A Kaindl; Dung-Hai Lee; Alessandra Lanzara
Journal:  Sci Rep       Date:  2016-07-01       Impact factor: 4.379
  6 in total

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