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SUMMARY:Time-reversal symmetry breaking in nonsymmorphic type-I supercondu
 ctor YbSb$_2$
DTSTART;VALUE=DATE-TIME:20220828T134500Z
DTEND;VALUE=DATE-TIME:20220828T140000Z
DTSTAMP;VALUE=DATE-TIME:20220826T105600Z
UID:indico-contribution-3678@indico.stfc.ac.uk
DESCRIPTION:Speakers: Anshu Kataria (PhD Scholar)\nThe interplay of superc
 onductivity with nontrivial topological phases exhibit the fascinating top
 ological superconductivity\, which has attracted widespan attention from o
 bserving quasiparticle like Majorana fermions to its application in fault-
 tolerant quantum computation$^{1\,2}$. It is proposed that the topological
  superconductivity can be realized in compounds having topological surface
  states and superconductivity$^3$. Only a few superconducting materials wi
 th nontrivial topological states have been discovered\, and their supercon
 ducting ground state/pairing mechanism can not be adequately understood. T
 herefore\, searching and studying the superconducting ground state of mate
 rials having nontrivial topological states is vital.\nHere\, we present th
 e evidence of time-reversal symmetry breaking (TRSB) in the nonsymmorphic 
 type-I superconductor YbSb$_2$\, having a distorted Sb square net crystal 
 structure similar to the other topological system ZrSiS$^{4\,5}$. The micr
 oscopic muon spin relaxation and rotation investigation confirm the fully 
 gapped type-I superconductivity with broken time-reversal symmetry in its 
 superconducting ground state. This indicates that the nonsymmorphic RSb$_2
 $ superconductors are an interesting class of materials that exhibit uncon
 ventional superconductivity with fascinating properties and warrant great 
 potential for future studies.\n\nReferences:\n1.	X. L. Qi et al.\, Rev. Mo
 d. Phys. 83\, 1057 (2011).\n2.	M. Sato et al.\, Rep.  Prog.  Phys. 80\, 07
 6501 (2017).\n3.	L. Fu et al.\, Phys. Rev. Lett. 100\, 096407 (2008).\n4.	
 R. Wang et al.\, Inorg. Chem. 5\, 1468 (1966).\n5.	S. Klemenz et al.\, Ann
 . Rev. Mat. Res. 49\, 185 (2019).\n\nhttps://indico.stfc.ac.uk/event/53/co
 ntributions/3678/
LOCATION: Aula dei Cavalieri\, University Central Palace\, via Università
  12
URL:https://indico.stfc.ac.uk/event/53/contributions/3678/
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