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Fluctuating superconductivity and pair-density wave order in the cuprate superconductors


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Title: Fluctuating superconductivity and pair-density wave order in the cuprate superconductors
Authors: Wårdh, Jonatan
E-mail: jonatan.wardh@physics.gu.se
Issue Date: 19-May-2020
University: Göteborgs universitet. Naturvetenskapliga fakulteten
Institution: Department of Physics ; Institutionen för fysik
Parts of work: A. WÅRDH, J. & GRANATH, M. 2017 Effective model for a supercurrent in a pair-density wave Physical Review B 96, 224503.
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B. WÅRDH, J., ANDERSEN, B.M. & GRANATH, M. 2018 Suppression of superfluid stiffness near a Lifshitz-point instability to finite-momentum superconductivity Physical Review B 98, 224501.
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C. WÅRDH, J., GRANATH, M.,WU, J., BOLLIINGER, A.T., HE, XI. & BOŽOVI´C, I. 2020 Nematic superconducting phase fluctuations in a copper oxide Manuscript

D. WÅRDH, J. & GRANATH, M. 2020 Nematic single-component superconductivity and loop-current order from pair-density wave instabilityManuscript, to be submitted, pending review process of paper C Manuscript
Date of Defence: 2020-06-12
Disputation: Fredagen den 12 juni 2020, kl 15:00 i PJ-salen, Institutionen för fysik, Fysikgården 2, Göteborg
Degree: Doctor of Philosophy
Publication type: Doctoral thesis
Keywords: Cuprates
fluctuating superconductivity
pair-density wave
Ginzburg-Landau theory
vestigial order
nematicity
paraconductivity
Abstract: High-temperature superconductors are some of nature’s most enigmatic materials. Besides carrying a supercurrent, these materials manifest a range of electronic and structural orders. A state of modulated superconductivity, called a pair-density wave (PDW), has been suggested to occur in copper-based (cuprate) high-temperature superconductors, with the possibility of explaining these various orders, and perhaps even superconductivity itself. This thesis is based upon four appended papers and... more
ISBN: ISBN 978-91-7833-936-5 (PRINT)
978-91-7833-937-2 (PDF)
URI: http://hdl.handle.net/2077/64092
Appears in Collections:Doctoral Theses from University of Gothenburg / Doktorsavhandlingar från Göteborgs universitet
Doctoral Theses / Doktorsavhandlingar Institutionen för fysik

 

 

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