Superconductivity: Unconventional Theories I

Presentations

• Frequency-dependent Inter-pseudospin Solutions of Superconducting Strontium Ruthenate

  ORAL

  March 15, 2022, 9:00 AM – March 15, 2022, 9:12 AM

  Publication: O. Gingras, R. Nourafkan, A.-M. S. Tremblay, and M. Côté, Phys. Rev. Lett. 123, 217005 (2019)
  O. Gingras, N. Allaglo, R. Nourafkan, M. Côté, and A.-M. S. Tremblay, in preparation.

  Presenters

  • Olivier Gingras

    Universite de Montreal, Center for Computational Quantum Physics, Flatiron Institute

  Authors

  • Olivier Gingras

    Universite de Montreal, Center for Computational Quantum Physics, Flatiron Institute

  • Michel Cote

    Universite de Montreal

  • A.-M. S Tremblay

    Universite de Sherbrooke, RQMP and Institut quantique, Universite de Sherbrooke, Université de Sherbrooke, RQMP & Institut quantique

  View abstract →

• Fractional fermionic Mott insulator and high-temperature superconductor in the doublon-conserving Hubbard model

  ORAL

  March 15, 2022, 9:12 AM – March 15, 2022, 9:24 AM

  Presenters

  • Rohit Hegde

    none

  Authors

  • Rohit Hegde

    none

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• Orbital entanglement mechanism of unconventional supercondcutivity

  ORAL

  March 15, 2022, 9:24 AM – March 15, 2022, 9:36 AM

  Publication: A. Mitrofanov and S. Urazhdin "Orbital entanglement mechanism of superconductivity in cuprates", arXiv:2109.13019

  Presenters

  • Sergei Urazhdin

    Emory University

  Authors

  • Sergei Urazhdin

    Emory University

  • Alexander Mitrofanov

    Emory University

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• The Effect of Repulsion on Superconductivity at Low Density

  ORAL

  March 15, 2022, 9:36 AM – March 15, 2022, 9:48 AM

  Presenters

  • Dan Phan

    University of Minnesota

  Authors

  • Dan Phan

    University of Minnesota

  • Andrey V Chubukov

    University of Minnesota

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• On the possibility of mixed helical p-wave pairings in Sr$_2$RuO$_4$

  ORAL

  March 15, 2022, 9:48 AM – March 15, 2022, 10:00 AM

  Publication: Phys. Rev. Research 3, L042002 (2021)

  Presenters

  • Zhiqiang Wang

    University of Chicago

  Authors

  • Zhiqiang Wang

    University of Chicago

  • Wen Huang

    Southern University of Science and Technology

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• Strain-induced time reversal breaking and half quantum vortices near a putative superconducting tetra-critical point in Sr₂RuO₄

  ORAL

  March 15, 2022, 10:00 AM – March 15, 2022, 10:12 AM

  Publication: Phys. Rev. B 104, 054518; arXiv preprint arXiv:2106.00935

  Presenters

  • Andrew C Yuan

    Stanford University

  Authors

  • Andrew C Yuan

    Stanford University

  • Steven A Kivelson

    Stanford University

  • Erez Berg

    Weizmann Institute of Science

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• Effects of longer-range interaction on superconductivity in Sr₂RuO₄

  ORAL

  March 15, 2022, 10:12 AM – March 15, 2022, 10:24 AM

  Presenters

  • Xin Wang

    McMaster Univ

  Authors

  • Xin Wang

    McMaster Univ

  • Zhiqiang Wang

    University of Chicago

  • Catherine Kallin

    McMaster Univ

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• Superconducting gaps for Sr₂RuO₄ and their manifestations on observables

  ORAL

  March 15, 2022, 10:24 AM – March 15, 2022, 10:36 AM

  Presenters

  • Marc-Antoine Gauthier

    Université de Sherbrooke

  Authors

  • Marc-Antoine Gauthier

    Université de Sherbrooke

  • Olivier Gingras

    Universite de Montreal, Center for Computational Quantum Physics, Flatiron Institute

  • A.-M. S Tremblay

    Universite de Sherbrooke, RQMP and Institut quantique, Universite de Sherbrooke, Université de Sherbrooke, RQMP & Institut quantique

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• Spin triplet superconductivity driven by finite momentum spin fluctuations

  ORAL

  March 15, 2022, 10:36 AM – March 15, 2022, 10:48 AM

  Presenters

  • Andreas Kreisel

    Univ Leipzig

  Authors

  • Andreas Kreisel

    Univ Leipzig

  • Peter J Hirschfeld

    University of Florida, Department of Physics, University of Florida

  • Yundi Quan

    University of California, Davis, University of Florida

  View abstract →

• Thermodynamic properties of superconductors in the extended BCS-Bose crossover theory

  ORAL

  March 15, 2022, 10:48 AM – March 15, 2022, 11:00 AM

  Publication: L.A. García, M. Grether, M. de Llano. Thermodynamic properties in the extended BCS-Bose crossover theory. Submitted to Physica C: Superconductivity and its applications
  L.A. García and M. de Llano, Int. J. Mod. Phys. B, 33-1950311, 2019.
  I. Chávez, L.A. García, M. Grether, M. de Llano and V.V. Tolmachev, J. Supercond. Nov. Magn., 32-1633, 2019.
  I. Chávez, L.A. García, M. Grether, M. de Llano and V.V. Tolmachev, J. Supercond. Nov. Magn. 31-631, 2018.
  I. Chávez, L.A. García, M. de Llano and M. Grether, Int. J. Mod. Phys. B 31-1745013, 2017.
  I. Chávez, L.A. García, M. de Llano and M. Grether, Int. J. Mod. Phys. B 31-1745004, 2017.

  Presenters

  • Luis Abraham García Hernández

    Universidad Nacional Autónoma de México

  Authors

  • Luis Abraham García Hernández

    Universidad Nacional Autónoma de México

  • Marcela Dolores Grether González

    Universidad Nacional Autónoma de México

  • Manuel de Llano

    Universidad Nacional Autónoma de México

  View abstract →

• Superconducting Instability From Spin Fluctuations in Sr₂RuO₄

  ORAL

  March 15, 2022, 11:00 AM – March 15, 2022, 11:12 AM

  Publication: Astrid T. Rømer, P. J. Hirschfeld, and Brian M. Andersen, Phys Rev. B 104, 064507 (2021).
  
  Astrid T. Rømer, Andreas Kreisel, Marvin A. Müller, P. J. Hirschfeld, Ilya M. Eremin, and Brian M. Andersen, Phys. Rev. B 102, 054506 (2020).
  
  A. T. Rømer, D. D. Scherer, I. M. Eremin, P. J. Hirschfeld, and B. M. Andersen, Phys. Rev. Lett. 123, 247001 (2019).

  Presenters

  • Astrid T Rømer

    Univ of Copenhagen

  Authors

  • Astrid T Rømer

    Univ of Copenhagen

  • Peter J Hirschfeld

    University of Florida, Department of Physics, University of Florida

  • Brian M Andersen

    University of Copenhagen, Neils Bohr Institute, Copenhagen, Niels Bohr Institute

  • Andreas Kreisel

    Univ Leipzig

  • Thomas A Maier

    Oak Ridge National Lab

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• Emergence of multiple Higgs modes in a superconductor due to spontaneous breakdown of a Z₂ symmetry

  ORAL

  March 15, 2022, 11:12 AM – March 15, 2022, 11:24 AM

  Publication: arXiv:2104.09744

  Presenters

  • Shunji Tsuchiya

    Chuo University, Chuo Univ

  Authors

  • Shunji Tsuchiya

    Chuo University, Chuo Univ

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• Study of vortices-PDW mixed state predicted by the t-J model via renormalized mean-field theory

  ORAL

  March 15, 2022, 11:24 AM – March 15, 2022, 11:36 AM

  Publication: [1] Scanning tunneling spectroscopy reveals modulated density of finite-momentum Cooper pairs in vortex halos of Bi2Sr2CaCu2O8., Science 364, 976-980 (2019), (S. D. Edkins et al.).
  [2] Dislocations and vortices in pair-density-wave superconductors, Nature Phys 4, 639–642 (2008), (Agterberg, D. and Tsunetsugu, H).
  [3]. Incommensurate charge ordered states in the t-t'-J model, New J. Phys. 19, 013028 (2017), (Peayush Choubey, Wei-Lin Tu, T.K. Lee and P. J. Hirschfeld).

  Presenters

  • YiHsuan Liu

    Department of Physics, National Tsing Hua University

  Authors

  • YiHsuan Liu

    Department of Physics, National Tsing Hua University

  • Gia-Wei Chern

    University of Virginia, Department of Physics, University of Virginia

  • Ting-Kuo Lee

    Department of Physics, National Sun Yat-sen University

  View abstract →

• Quantum Phase Fluctuations Dominate Unconventional Superconductivity

  ORAL

  March 15, 2022, 11:36 AM – March 15, 2022, 11:48 AM

  Presenters

  • Anthony C Hegg

    Shanghai Jiao Tong Univ, Tsung-Dao Lee Institute

  Authors

  • Anthony C Hegg

    Shanghai Jiao Tong Univ, Tsung-Dao Lee Institute

  • Wei Ku

    Shanghai Jiao Tong Univ

  • Ruoshi Jiang

    Tsung-Dao Lee Institute

  • Yucel Yildirim

    Dogus University

  View abstract →