#### 2019

**“Mapping the XY Ferromagnet in d=2+1 onto Electrodynamics,”**O. Tchernyshyov, Quantum Spin Liquids, Aspen Center for Physics, June 23 to July 14, 2019.**“Plenary Talk: From monopole harmonic ordering to spinor approaches,”**Li, Quantum Theory and Symmetry XI, http://www.crm.umontreal.ca/2019/QTS2019/, Centre de Recherches Mathématiques, Montréal, Canada, July 1-5, 2019.**“New phenomena in topological materials”**, N.P. Armitage, Gordon Research Conference on Topological and Correlated Matter, June 2019.**“Discovery of the topological magnetoelectric effect”,**N.P. Armitage, Oak Ridge National Lab Colloquium, May 2019.**“Dynamical Measurements of the Anomalous Metallic Phase in InO”,**N.P. Armitage, Gordon Research Conference on Superconductivity, May 2019.**“Origins of diffuse inelastic scattering from frustrated quantum magnets,”**Collin Broholm, CIFAR Quantum Materials meeting, Vancouver, Canada, April 13, 2019.**“Quantum Materials: Development and Bulk Single Crystal Growth”**,**“Discovery of the topological magnetoelectric effect”,**UCSB Materials Department Nakamura Lecture”, N.P. Armitage, April 2019.**“Strongly correlated topological materials,”**Predrag Nikolic, Temple University, Physics Colloquium, April 2019,**“Low energy electrodynamics of 3D Dirac Materials”**, P. Armitage, Army Research Laboratory Seminar, April 2019**“On Ising’s model of Ferromagnetism”**, P. Armitage, University of Tennessee Collloquium, April 2019.- “
**On Ising’s model of Ferromagnetism”**, P. Armitage, William and Mary Colloquium, April 2019. **“2D THz spectroscopy: A talking dog or a revolutionary new probe of quantum correlations in solids?”,**N.P. Armitage, SudipFest, UCLA, April 2019.**“On the way to a Quantum Spin Liquid?”**Collin Broholm, Condensed Matter Seminar, University of Illinois at Urbana Champaign, April 19, 2019.**“Spin Dynamics in the 3D Quantum Spin Liquid Candidate NaCaNi**S. Zhang, Constrained Many-Body Dynamics, https://www.pks.mpg.de/de/condyn19/Max Planck Institute for the Physics of Complex Systems, Dresden, Germany, March 29, 2019._{2}F_{7},”**“Mechanics of Magnetic Solitons,”**O. Tchernyshyov, colloquium, University of South Carolina, March 28, 2019.**“Locating the missing superconducting electrons in overdoped cuprates”,**N.P. Armitage, March Meeting Invited Talk, March 2019.**“Quantum Metamagnetic Transition in a Spin Ice System,”**S. Nakatsuji, International Workshop on Constrained Many-body Dynamics, https://www.pks.mpg.de/condyn19/, MPI-PKS, Dresden, Germany, March 26-30, 2019.**“Signatures of quantum dipole liquid in an organic Mott insulator κ-(BEDT-TTF)**N. Drichko, Invited talk at the APS March Meeting 2019. Boston 4-8 March 2019._{2}Hg(SCN)_{2}Br,“**“Refined spin Hamiltonian for Yb2Ti2O7 and its two competing low field states,”**Allen Scheie, Invited talk at the APS March Meeting 2019. Boston 4-8 March 2019.**“Mapping the XY ferromagnet in d=2+1 onto electrodynamics,”**O. Tchernyshyov, Topological Phases and Functionality of Correlated Electron Systems 2019, http://tpfc.issp.u-tokyo.ac.jp/index.htm, Kashiwanoha Campus Station Satellite, the University of Tokyo, February 20, 2019.**“Incommensurate magnetism in Ce-based heavy fermion systems,”**Collin Broholm, Topological Phases and Functionality of Correlated Electron Systems 2019, http://tpfc.issp.u-tokyo.ac.jp/index.htm, Kashiwanoha Campus Station Satellite, the University of Tokyo, February, 2019.**“Shining (THz) light on quantum magnetic systems”**, N.P. Armitage, Topological Phases and Functionality of Correlated Electron Systems 2019, http://tpfc.issp.u-tokyo.ac.jp/index.htm, Kashiwanoha Campus Station Satellite, the University of Tokyo, February, 2019.**“The quantum dipole liquid in triangular lattice molecular Mott insulators and its relevance to a spin liquid.”**N. Drichko, Topological Phases and Functionality of Correlated Electron Systems 2019 (TPFC2019) http://tpfc.issp.u-tokyo.ac.jp/index.htm Tokyo, Japan, February 20, 2019.**“Large time-reversal-odd responses in the Weyl antiferromagnet Mn3Sn bulk & thin film for antiferromagnetic spintronics,”**T. Higo, Topological Phases and Functionality of Correlated Electron Systems (TPFC) 2019, http://tpfc.issp.u-tokyo.ac.jp/, Kashiwanoha Campus Station Satellite, The University of Tokyo, Japan, February 19, 2019.**“Computation and modeling for quantum materials,”**David Vanderbilt, Plenary Presentation, Quantum Materials Workshop, Oak Ridge National Laboratory, February 18-20, 2019.**“The Quest for a Quantum Spin Liquid,”**Collin Broholm, Quantum and Energy Materials Seminar (QEMS) series, Oak Ridge National Laboratory, February 13, 2019.**“Monopole harmonic ordering,”**Li, Institute for Condensed Matter Theory Seminar, https://physics.illinois.edu/calendar/seminar/1954/120191, University of Illinois at Urbana-Champaign, Champaign, Illinois, February 11, 2019.**“Mechanics of Magnetic Solitons,”**O. Tchernyshyov, colloquium, Michigan State University, February 4, 2019.**“On Ising’s model of Ferromagnetism”**, N.P. Armitage, CAS-IoP Beijing Colloquium, January 2019.**“Discovery of the topological magnetoelectric effect”**, N.P. Armitage, CAS-IoP Beijing Seminar, January 2019.**“Locating the missing superconducting electrons in overdoped cuprates,“**N.P. Armitage, AIST – Tsukubu, January 2019.**“Frustrated Magnetism in Mott Insulating (V**Collin Broholm, The ICAM-NCTS Annual Meeting and Frontiers of Condensed Matter Workshop on Jan. 14th -18_{1-x}Cr_{x})_{2}O_{3},”^{th}, Hsinchu, Taiwan (2019).**“Signatures of quantum dipole liquid in an organic Mott insulator.”**N. Drichko, HONGO Campus of University of Tokyo, January 25^{th}, 2019.**“Novel Spintronic Functions in Topological Frustrated Magnets Mn3X”**S. Nakatsuji, The 19th Japan-Korea-Taiwan Symposium on Strongly Correlated Electron Systems (JKT19), http://www.f.waseda.jp/katsuf/Meeting/JKT19.htm, Nishiwaseda Campus, Waseda University, Japan, January 11-13, 2019.**“Axion Coupling in Magnetoelectric and Topological Materials,”**David Vanderbilt, 19th International Workshop on Computational Physics and Material Science, Trieste, Italy, January 9-11, 2019.**“Spin fluctuations in strongly correlated electron systems,”**Collin Broholm, Theory Winter School on Strongly Correlated and Quantum Spin Liquid Physics, Weyl and Topological Physics, and New Computational Techniques, National High Magnetic Field Laboratory, Florida State University, January 7-11 https://nationalmaglab.org/news-events/events/for-scientists/winter-theory-school**“Fluctuating and disordered magnetism in insulating materials at low T,”**Collin Broholm, Theory Winter School on Strongly Correlated and Quantum Spin Liquid Physics, Weyl and Topological Physics, and New Computational Techniques, National High Magnetic Field Laboratory, Florida State University, January 7-11 https://nationalmaglab.org/news-events/events/for-scientists/winter-theory-school 2019.

#### 2018

**“On Ising’s model of Ferromagnetism”**, N.P. Armitage, ISSP- Tokyo Colloquium, December 2018.**“Large spontaneous responses at room temperature in the Weyl antiferromagnet Mn3Sn for topological antiferromagnetic spintronics”**T. Higo, Topological Aspects of Quantum Matter 2018, http://www.tifr.res.in/~nano/TAQM18/index.html, Tata Institute of Fundamental Research, Mumbai, India, December 17, 2018.**“Signatures of quantum dipole liquid in an organic Mott insulator.”**N. Drichko, RIKEN, Tokyo, Japan. December 11^{th}, 2018.**“Dynamical Structure Factor of the Three-Dimensional Quantum Spin Liquid Candidate NaCaNi**S. Zhang, seminar, Institute of Physics, Chinese Academy of Sciences, November 26, 2018._{2}F_{7},”**“Large spontaneous responses in the Weyl antiferromagnet Mn3Sn for topological antiferromagnetic spintronics”**T. Higo, One-Day Symposium on Spintronic Properties of Graphene and Related 2D Materials, http://www.spinconversion.jp/event_181122.html, Kashiwanoha Campus Station Satellite, The University of Tokyo, Japan, November 22, 2018.**“Quantum Materials,”**Collin Broholm, at NSF sponsored workshop on “Enabling Quantum Leap: Convergent Approach to the Challenges of Moore’s Law,” Georgetown University November 13-15, 2018.**“Mechanics of Magnetic Solitons,”**O. Tchernyshyov, seminar, Colorado State University, November 9, 2018.**“Signatures of quantum dipole liquid in an organic Mott insulator.”**N. Drichko, Tokyo Institute of Technology, Tokyo, Japan. November 8, 2018.**“Quantum Materials: The New Frontier,”**Collin Broholm and Tyrel M. McQueen, presentation to the KSAS advisory board at the New York City Yacht Club, November 2, 2018.**“Novel transport properties in topological and frustrated Weyl magnets”**S. Nakatsuji, Conference on ” Correlated Magnetism: From Frustration To Topology”, https://tu-dresden.de/mn/physik/sfb1143/veranstaltungen/konf18?set_language=en, Penck Hotel, Dresden, Germany , October 31-November 2, 2018.**“Raman scattering of triangular lattice antiferromagnets: from helical order to nematic order”**N. Drichko, ISSP, University of Tokyo Colloquium, October 18th, 2018.**“Development, synthesis, and bulk crystal growth of novel/quantum materials”**, M. Koohpayeh, Duke University, October 11, 2018.**“Discovery of the topological magnetoelectric effect”**, N.P. Armitage, University of Tokyo Condensed Matter Seminar: Oct. 2018.**“Discovery of the topological magnetoelectric effect”**, N.P. Armitage, Kyoto University Condensed Matter Seminar: Oct. 2018.**“Discovery of the topological magnetoelectric effect”**, N.P. Armitage, Institute for Solid State Physics – University of Tokyo Condensed Matter Seminar, Oct. 2018.**“The Quest for a Quantum Spin Liquid,”**Collin Broholm, Colloquium, Arizona State University, October 4, 2018.**“Shining (THz) light on quantum magnet systems”**, N.P. Armitage, RIKEN Quantum Materials Seminar, Sept. 2018.**“Mapping the XY Ferromagnet in d=2+1 onto Electrodynamics,”**O. Tchernyshyov, Quantum Magnetism: Frustration, Low-dimensionality, Topology,https://kits.ucas.ac.cn/index.php/events/workshop/119-2018-workshop-qmflt, Kavli Institute for Theoretical Science, Beijing, China, August 28, 2018.**“Locating the missing superconducting electrons in overdoped cuprates”**, N.P. Armitage, Materials and Mechanisms of Superconductors, Beijing China, August 2018.