Quantum Matter Seminar/ Condensed Matter Theory Seminar Archive

 

Spring 2024 | Autumn 2023 | Spring 2023Spring 2020 | Autumn 2019 | Spring 2019 | Autumn 2018 | Spring 2018 | Autumn 2017 | Spring 2017 |  Autumn 2016

 

Spring 2024

Monday, January 29, 2024

Van Der Waals Topological Magnets and Superconductors

Dmitry Ovchinnikov, Kansas University

 

Monday, February 5, 2024 (4138, 10:15 am)

Near-field Photovoltage Microscopy in the Heavy-Fermion Moiré Twisted Symmetric Trilayer Graphene

Petr Stepanov, Notre Dame University

 

Monday, February 12, 2024 (VIRTUAL)

Title

Moty Heiblum, Weizmann Institute

 

Monday, February 19, 2024

Magnetism and heat conduction in rare-earth insulating magnets

Minhyea Lee, CU Boulder

 

Monday, February 26, 2024

From new materials to new devices: TBG phaser and drive-controlled anomalous hall effect

Gil Refael, California Institute of Technology

 

Monday, March 18, 2024

Diffusion with anomalous noise

Sarang Gopalakrishnan, Princeton University

 

Wednesday, March 20, 2024 (1080, 1:30 pm)

Bulk-boundary correspondence in point-gap topological phases

Dr. Masatoshi Sato, Yukawa Institute for Theoretical Physics

 

Friday, March 22, 2024 (1080, 1:30 pm)

Many-body scar models from a symmetry perspective

Professor Chen Fang, Institute of Physics at Beijing

 

Monday, April 1, 2024

High-sensitivity optical measurement of spin-orbit torque via Sagnac MOKE interferometry

Kelly Luo, University of Southern California

 

Monday, April 15, 2024

Layer-by-layer distribution of electronic wavefunctions in topological materials

Shuolong Yang, University of Chicago

 

Autumn 2023

Monday, August 28 (Zoom)

Chirality and Non-Hermitian Skin Effect

Penghao Zhu, OSU

Monday, September 11 (In-Person)

Loss of Quasiparticles: from Strange Metals to Flat Bands

Qimiao Si, Rice

Wednesday, September 13 (In-Person)

Emergent Chirality and Conformal Symmetry from a Single Wave Function

Bowen Shi, UCSD

Monday, September 18 (In-Person)

Ultraslow Dynamics, Fragile Fragmentation, and Geometric Group Theory

Ethan Lake, MIT

Thursday, September 21st (In-Person, with the CEM)

Quantum Computing Using Electron Spins in Silicon

Mark Eriksson, University of Wisconsin

Monday, September 25 (In-Person)

Proper Correlation Measures: The Case with Rényi Mutual Information

Laimei Nie, Purdue

Monday, October 2 (In-Person)

From Wave-Function Collapse and Galois Solvability to the Realization of Non-Abelian Topological Order on a Quantum Device

Nathanan Tantivasadakarn, California Institute of Technology

Monday, October 9 (In-Person)

Chiral Andreev Edge States in the Quantum Hall Regime

Gleb Finkelstein, Duke

Monday, October 16 (In-Person, room 4138)

Pseudo-Goldstone Modes and Order-by-Disorder

Jeffrey Rau, Windsor

Monday, October 23 (In-Person, 4-5 PM)

Ergodicity Breaking in Quantum Dynamics

Rahul Nandkishore, Colorado Boulder

Monday, October 30 (rescheduled)

Monday, November 6 (In-Person)

Synthesis and Exploration of New Topological Magnetic Texture in Frustrated Magnets

Takashi Kurumaji, Caltech

Monday, November 13 (In-Person, 4-5 PM)

Engineering Topological Phases with a Superlattice Potential

Jennifer Cano, Stony Brook

Monday, November 20 (TBD)

Monday, November 27 (In-Person)

Local Topological Order and Boundary Algebras

David Penneys, OSU Department of Mathematics

Wednesday, November 29 (In-Person, 1-2 PM)

Inducing Non-Equilibrium Phases in Semiconductors with Time-Periodic Devices

Iliya Esin, Caltech

Monday, December 4 (TBD)

Monday, December 11 (TBD)

Spring 2023

Monday, January 23 (Zoom)

     Quantum Spin Liquids : Concept and Realization
Yogesh Singh, IISER

Monday, January 30

     Universality classes of thermalization for mesoscopic Floquet systems 
     Alan Morningstar, Stanford

Monday, February 6

     A variational wavefunction of weak Mott insulator and pseudogap metal using ancilla qubits
     Yahui Zhang, John Hopkins

Monday, February 13 (Zoom)

     Gauge Theory of the Pseudogap Phase in Cuprate Superconductors
     Walter Metzner, MPI Dresden

Monday, February 20 (Zoom)

     TBA
     Subhro Bhattacharya,

Monday, February 27

     TBA
     Dominic Else, Perimeter Institute

Monday, March 20

Transport of a Quantum Gas through Band Structure Singularities
     Charles Brown, Yale

Monday, March 27

     TBA
     Jonas Karcher, Penn State

Monday, April 3 (Zoom)

     TBA
     Austin Minnich, Caltech

Monday, April 10

     TBA
     Yizhuang You, UCSD

Monday, April 17 (Zoom)

     TBA
     Yichen Huang, Harvard

Monday, April 24

     TBA
      Ganpathy Murthy, University of Kentucky

Spring 2020

 

Thursday, January 9 and 10 - SPECIAL SEMINARS
     Maciej Maska,  University of Silesia, Katowice, Poland

Thursday, January 9 @ 11:30am

     "Topological Superconductivity in a Chain of Magnetic Atoms"    

Friday, January 10 @ 3:00pm in 4138 PRB - Quantum Information Seminar series 

     "Learning by Confusion Identification and Characterization of Phase Transitions"


Friday, January 24 @ 11:00am

     "Signatures of Topological Ground State Degeneracy in Majorana Islands"
    Jukka Vayrynen,  MicroSoft
   

Monday, February 3

     "Mathematics of Operator Growth in Quantum Many-body Systems"
     Andy Lucas, University of Colorado


Monday, February 10

     "Spatially Dispersive Charge Currents in Three Material Contexts"
     Zachariah Addison, University of Pennsylvania


Monday, February 17

     "Fractional Quantum Hall Effect in Weyl Semi-metals"
     Anton Burkov, University of Waterloo


Monday, May 4 @ 11:30 - Zoom

     "Fractons: A New Type of Particle"
     Michael Pretko, University of Colorado, Boulder

 

Autumn 2019


Monday, September 16

      "Disorder and Interaction in Chiral Chains: Life at the Infinite Randomness Fixed Point"
      Jonas Karcher,  Karlsruhe

Monday, September 23

      "Chiral Topological Semimetals: Beyond Weyl Fermions"
      Barry Bradlyn, UIUC

Thursday, October 10 @ 11:30a

      "Fracton Order: From Quantum Hard Drive to Foliated Manifold"
      Xie Chen, CalTech

Tuesday, October 22

      "Magnetic Interactions in Transition Metal Dichalcogenides"
      Oscar Avalos-Ovando, Ohio University

 

Spring 2019

Monday January 14

           "Surface State Transport in 3D Topological Instulators"
           Nadya Mason, University of Illinois, Urbana/Champaign

Monday, February 4  CANCELLED

           "Upper Bounds on the Superfluid Stiffness and Superconducting Tc: Applications
           to Twisted-bilayer Graphene and Ultra-cold Fermi Gases"
           Mohit Randeria, The Ohio State University

Monday March 18 in 4138 PRB  CANCELLED

           "TBA"
           Chong Wang, Permeter Insitute

Monday, March 25 @ 1:30 in 4138PRB

           "A Universal Operator Growth Hypothesis"
           Ehud Altman, UC Berkeley

Monday, April 1 @ 12:00p

           "Emergent Mode and Bound States in Single-component Fermionic Systems"
           Roger Mong, University of Pittsburgh

Monday, April 15

           "Entanglement Signatures of Emergent Dirac Fermions: Kagome Spin Liquid and Quantum
           Criticality"
           William Witczak-Krempa, University of Montreal
 

Autumn 2018
 

Monday, September 24, 1136 PRB

          "Synthetic Topological Defects and Synthetic Spaces in Ultracold Atoms"
          Qi Zhou
          Purdue University  

Monday, October 29

         "The Global Phase Diagram of 1-D SYK Model"
         Xin Dai
         The Ohio State University

Monday, November 5

         "Sign Structure, Ground State Degeneracy and Spin Currents in Doped Mott Insulator"
         Wayne Zheng
         The Ohio State University

Tuesday, November 13

         "Variational Approach for Quantum Simulation"
         Tim Hsieh
         Perimeter Institute

Monday, November 19

        "Spontaneous Symmetry Breaking from Anyon Condensation"
        Corey Jones
        The Ohio State University

Monday, December 3

         "Higher Order Topological Phases: Quadrupoles, Metameterials and Beyond"
         Taylor Hughes
         University of Illinois at Urbana-Champaign

Monday, December 10

   
Spring 2018

Monday, April 02

               "Deconfined Quantum Critically on the Triangular Lattice"       
              Alex Rasmussen
              UCSB

Monday, March 12

              "Machine learning approaches to entangled quantum states"
              Xiaopeng Li
              Fudan University

Monday, January 22

              "Reactive Nanosystems"               
              Priya Vashishta
              University of Southern California

Wednesday, February 21

             "Entanglement entropy in non-Hermitian critical spin chains"                 
              Romain Couvreur
              ENS Paris-Saclay

Monday, April 9 @ 2:30pm in 4138 Physics Research Building

              "Entanglement in Higher-Dimensional Critical Systems"
              Roger Melko
              University of Waterloo and Perimeter Institute, Canada
 

Autumn 2017
 

Monday, September 11 (cancelled until further notice)

              Max Metlitski, MIT

Thursday, September 14

               "One dimensional time-translation symmetry breaking: from power laws to classical
               dynamical systems"
              Norman Yao
              UC Berkeley

Monday, September 18

              "Topology meets geometry in crystalline topology phases"
              Michael Hermele
              Univ. of Colorado, Boulder

Monday, September 18

              "Pseudo-Landau levels in strained nodal superconductors"
              Arun Paramekanti
              University of Toronto

Monday, October 30

              "New phase transitions and Ising glasses in the quantum quasiperiodic Ising chain"
              Anushya Chandra
              Boston University

Monday, November 13

              "Signatures of gapless boundary modes in Kitaev spin liquids"
              Fionna Burnell
              Univ. of Minnesota

 

Spring 2017

Monday, February 06

  "Monopole Condensation" Transition out U(1) Quantum Spin Liquid: Application to 
  Pr2Ir2O7"
  Gang Chen
  Fudan University, Department of Physics, Shanghai, China


Monday, March 20

            "Emergent spacetime supersymmetry in 2D and 3D topological phases"
            Hong Yao
            Tsinghua University

Monday, March 27

           "Far-from-equilibrium superfluidity: quenches and delights"
           Maxim Dzero
           Kent State University           

Monday, April 17

           "Quantum phase transtitions in square lattice SU(N) and SO(N) magnets"
           Ribhu Kaul
           University of Kentucky

Monday, April 18

           "Bulk-boundary coorespondence for three dimensional toplogical phases"
          Michael Levin
          University of Chicago

 

Autumn 2016


Monday, August 29

       "The half-filled Landau level: the case for Dirac composite fermions"
       Michael Zalatel                                   
       Station Q, Microsoft Research

Monday, October 3

       "Five dimensional generalization of the topological Weyl semimetal"
       Biao Lian
       Stanford University

Monday, October 31

       "Potential Inhomogeneities in Presence of Strong Interactions: Birth and Death of Super
       Conductors"
       Rajdeep Sensarma
       Tata Institute of Fundamental Research

Monday, November 7

       "Symmetry constraints and topological phases far from equilibrium"
       Romain Vasseur
       University of California, Berkeley

Monday, December 5

       "Solvable model for a dynamical quantum phase transition from fast to slow scrambling"
       Sumilan Banerjee
       Weizmann Institute of Science