Inverse correlation between quasiparticle mass and T c in a cuprate high- T c superconductor

Author:

Putzke Carsten1ORCID,Malone Liam1,Badoux Sven2ORCID,Vignolle Baptiste2,Vignolles David2ORCID,Tabis Wojciech23,Walmsley Philip1,Bird Matthew1,Hussey Nigel E.4ORCID,Proust Cyril2,Carrington Antony1

Affiliation:

1. H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK.

2. Laboratoire National des Champs Magnétiques Intenses, CNRS-INSA-UJF-UPS, 31400 Toulouse, France.

3. AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, aleja Adama Mickiewicza 30, 30-059 Krakow, Poland.

4. High Field Magnet Laboratory (HFML-EMFL), Radboud University, Toernooiveld 7, 6525 ED Nijmegen, Netherlands.

Abstract

Contrary to what is expected near a quantum critical point, pressure decreases the quasiparticle mass of a high- T c superconductor.

Funder

Engineering and Physical Sciences Research Council

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference46 articles.

1. Quantum criticality;Sachdev S.;Phys. Today,2011

2. Scattering and pairing in cuprate superconductors;Taillefer L.;Annu. Rev. Condens. Matter Phys.,2010

3. A quantum critical point lying beneath the superconducting dome in iron pnictides;Shibauchi T.;Annu. Rev. Condens. Matter Phys.,2014

4. What lies beneath the dome?;Broun D. M.;Nat. Phys.,2008

5. Competing charge, spin, and superconducting orders in underdoped YBa2Cu3O y;Hücker M.;Phys. Rev. B,2014

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