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DTSTART:20070311T020000
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UID:52f73afd-b266-4424-9f29-40258a2c78cd.227974@calendar.missouristate.edu
CREATED:20230406T195613Z
LAST-MODIFIED:20230406T195613Z
LOCATION:Kemper Hall 204
SUMMARY:PAMS Seminar: "Spin-triplet Superconducting State in the Nearly Fe
 rromagnetic Compound UTe2" by Dr. Sheng Ran
DESCRIPTION:Dr. Sheng RanWashington University in St. Louis\n\n\nAbstract:
 \n\n\nAOur recent discovery of the novel spin-triplet superconductivity i
 n UTe2 has inspired a lot of interests in the community. Superconducting 
 state of UTe2 closely resembles that of ferromagnetic superconductors\, b
 ut the normal state is paramagnetic and shows no indication of magnetic o
 rdering. UTe2 exhibits an extremely large\, anisotropic upper critical fi
 eld Hc2\, temperature independent NMR Knight shift in the superconducting
  state\, and a large residual normal electronic density of states. All th
 ese results strongly indicate that the superconductivity in UTe2 is carri
 ed by spin-triplet pairs. Even more striking\, superconductivity reenters
  in the magnetic field of 45 tesla and persists up to 65 tesla\, which is
  the upper limit of magnetic field in our current study. These extreme pr
 operties reflect a new kind of exotic superconductivity rooted in magneti
 c fluctuations and quantum dimensionality. Application of pressure reveal
 s a two-fold enhancement of this unusual superconductivity\, which is clo
 sely related to the suppression of Kondo coherence. In this talk\, I will
  review our recent results on UTe2.
X-ALT-DESC;FMTTYPE=text/html:&lt;html&gt;&lt;head&gt;&lt;title&gt;&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;p&gt;&lt;b
 &gt;Dr. Sheng Ran&lt;/b&gt;&lt;br&gt;&lt;b&gt;Washington University&amp;nbsp\;in St. Louis&lt;/b&gt;&lt;/p&gt;
 \n&lt;p&gt;Abstract:&lt;/p&gt;\n&lt;p&gt;AOur recent discovery of the novel spin-triplet su
 perconductivity in UTe2 has inspired a lot of interests in the community.
  Superconducting state of UTe2 closely resembles that of ferromagnetic su
 perconductors\, but the normal state is paramagnetic and shows no indicat
 ion of magnetic ordering. UTe2 exhibits an extremely large\, anisotropic 
 upper critical field Hc2\, temperature independent NMR Knight shift in th
 e superconducting state\, and a large residual normal electronic density 
 of states. All these results strongly indicate that the superconductivity
  in UTe2 is carried by spin-triplet pairs. Even more striking\, supercond
 uctivity reenters in the magnetic field of 45 tesla and persists up to 65
  tesla\, which is the upper limit of magnetic field in our current study.
  These extreme properties reflect a new kind of exotic superconductivity 
 rooted in magnetic fluctuations and quantum dimensionality. Application o
 f pressure reveals a two-fold enhancement of this unusual superconductivi
 ty\, which is closely related to the suppression of Kondo coherence. In t
 his talk\, I will review our recent results on UTe2.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;
DTSTART;TZID=America/Chicago:20230413T160000
DTEND;TZID=America/Chicago:20230413T170000
SEQUENCE:0
URL:https://physics.missouristate.edu/seminars.htm
CATEGORIES:Public,Alumni,Current Students,Faculty,Future Students,Staff
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