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Condensed Matter Seminar

Martin Mourigal, Georgia Tech
Speaker: Martin Mourigal, Georgia Tech Title: Anomalous spin dynamics in triangular quantum magnets. Abstract: The spin-1/2 triangular-lattice antiferromagnet is a central model in frustrated quantum magnetism: it is the first two-dimensional magnet proposed to host a SU(2) symmetric resonating valence-bond ground-state and its fractionalized magnetic excitations. Although it is now accepted that the model, at least in its simplest Heisenberg form, orders magnetically, it remains intimately associated with the concepts of quantum spin-liquid and exotic magnetic excitations. In the last few years, advances in materials discovery, crystal growth, neutron spectroscopy and theory have fueled a lively triangular-lattice antiferromagnet “renaissance”. In this talk, I will describe recent neutron scattering investigations on two realizations of this model: the transition metal compound Ba3CoSb2O9 and the rare-earth system YbMgGaO4. Experimental results elucidate the role of quantum fluctuations, spin-orbit coupling, chemical disorder, and non-linear effects in generating anomalous spin dynamics in these materials. This project is supported by the NSF under grant DMR-1750186. Host: Ar. Abanov

18 Jan 2019, 4:00PM | MIST M102
Hosted By: Ar. Abanov


OPEN
Speaker: OPEN Title: Abstract: Host:

25 Jan 2019, 4:00PM | MIST M102


Workshop
Speaker: Workshop Title: Next Generation Xenon-based Dark Matter and Neutrino Detection. Abstract: Host: L. Strigari

1 Feb 2019, 4:00PM | MIST M102
Hosted By: L. Strigari


Ania Bleszynski Jayich, UCSB
Speaker: Ania Bleszynski Jayich, UCSB Title: TBA Abstract: Host: Ar. Abanov

8 Feb 2019, 4:00PM | MIST M102
Hosted By: Ar. Abanov


OPEN
Speaker: OPEN Title: Abstract: Host:

15 Feb 2019, 4:00PM | MIST M102


Michael Pretko, UC Boulder
Speaker: Michael Pretko, UC Boulder Title: TBA Abstract: Host: Ar. Abanov

22 Feb 2019, 4:00PM | MIST M102
Hosted By: Ar. Abanov


Shenglong Xu, University of Maryland, College Park
Speaker: Shenglong Xu, University of Maryland, College Park Title: TBA Abstract: Host: Ar. Abanov

1 Mar 2019, 4:00PM | MIST M102
Hosted By: Ar. Abanov


APS March meeting,
Speaker: APS March meeting, Title: Abstract: Host: APS

8 Mar 2019, 4:00PM | Boston, MA
Hosted By: APS


Spring Break
Speaker: Spring Break Title: Abstract: Host:

15 Mar 2019, 4:00PM | MIST M102


Gregory David Fuchs, Cornell
Speaker: Gregory David Fuchs, Cornell Title: TBA Abstract: Host: Ar. Abanov

22 Mar 2019, 4:00PM | MIST M102
Hosted By: Ar. Abanov


Ilya Krivorotov, UC Irvine
Speaker: Ilya Krivorotov, UC Irvine Title: TBA Abstract: Host: Ar. Abanov

29 Mar 2019, 4:00PM | MIST M102
Hosted By: Ar. Abanov


Physics Festival
Speaker: Physics Festival Title: Abstract: Host:

5 Apr 2019, 4:00PM | MIST M102


Judy Cha, Yale
Speaker: Judy Cha, Yale Title: TBA Abstract: Host: Ar. Abanov

12 Apr 2019, 4:00PM | MIST M102
Hosted By: Ar. Abanov


Good Friday
Speaker: Good Friday Title: Abstract: Host:

19 Apr 2019, 4:00PM | MIST M102


Gabor Csathy, Purdue
Speaker: Gabor Csathy, Purdue Title: TBA Abstract: Host: Ar. Abanov

26 Apr 2019, 4:00PM | MIST M102
Hosted By: Ar. Abanov


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Condensed Matter Information

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