Dr
Zurab Guguchia
(Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute)
The kagome lattice, the most prominent structural motif in quantum physics, benefits from inherent nontrivial geometry to host diverse quantum phases. We utilized muon-spin relaxation to probe charge order and superconductivity in kagome superconductors (K,Rb)V$_{3}$Sb$_{5}$ [1]. We observe a striking enhancement of the internal field width sensed by the muon ensemble, which takes place just below the charge ordering temperature. We further show a multigap and nodal [2] superconductivity in (K,Rb)V$_{3}$Sb$_{5}$. Our results point to time-reversal symmetry-breaking charge order intertwining with unconventional superconductivity in the correlated kagome lattice, offering unique insights into the pairing mechanism.
[1] C. Mielke III et.al., and Z.Guguchia, Nature 602, 245-250(2022).
[2] Z. Guguchia et.al., arXiv:2202.07713v1(2022).
Dr
Zurab Guguchia
(Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute)
Mr
Charles Mielke III
(Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute)
Dr
Debarchan Das
(Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute)
Dr
Jiaxin Yin
(Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, New Jersey 08544, USA)
Mr
Hongxiong Liu
(Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China)
Dr
Ritu Gupta
(Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232 Villigen PSI)
Mr
Yuxiao Jiang
(Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, New Jersey 08544, USA)
Dr
Marisa Medarde
(Laboratory for Multiscale Materials Experiments, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland)
Dr
X. Wu
(Max-Planck-Institut fur Festkorperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany)
Prof.
Hechang Lei
(Department of Physics and Beijing Key Laboratory of Opto-electronic Functional Materials and Micro-nano Devices, Renmin University of China, Beijing 100872, China)
Prof.
Johan Chang
(Physik-Institut, Universitat Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland)
Prof.
Pengcheng Dai
(Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA)
Prof.
Qimiao Si
(Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA)
Dr
Hu Miao
(Material Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA)
Prof.
Ronny Thomale
(Institut fur Theoretische Physik und Astrophysik, Universitat Wurzburg, 97074 Wurzburg, Germany)
Prof.
Titus Neupert
(Physik-Institut, Universitat Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland)
Prof.
Youguo Shi
(School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China)
Dr
Rustem Khasanov
(Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232 Villigen PSI)
Prof.
Zahid M Hasan
(Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, New Jersey 08544, USA)
Dr
Hubertus Luetkens
(Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232 Villigen PSI)
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