Topology and Dynamics in Quantum Matter Workshop

On September 10-11, 2019, the CMSA will be hosting a second workshop on Topological Aspects of Condensed Matter.

New ideas rooted in topology have recently had a major impact on condensed matter physics, and have led to new connections with high energy physics, mathematics and quantum information theory.  The aim of this program will be to deepen these connections and spark new progress by fostering discussion and new collaborations within and across disciplines.

Topics include i) the classification of topological states  ii) topological orders in two and three dimensions including quantum spin liquids, quantum Hall states and fracton phases and iii)  interplay of symmetry and topology in quantum many body systems, including symmetry protected topological phases, symmetry fractionalization and anomalies iv) topological phenomena in quantum systems  driven far from equlibrium v) quantum field theory approaches to topological matter.

This workshop is part of the CMSA’s program on Program on Topological Aspects of Condensed Matter, and is the second of two workshops, in addition to a visitor program and seminars.

The workshop will be held in room G10 of the CMSA, located at 20 Garden Street, Cambridge, MA.

Organizers: Mike Hermele (CU Boulder) and Ashvin Vishwanath (Harvard)

Partial list of speakers:

Please register here



Monday, September 10

8:30 – 9:00 am Breakfast

9:00 – 9:05 am  Welcome


Session 1: Topological Matter and High Energy Physics

9:05 – 9:15 am  Moderator: Dan Harlow, MIT

9:15 – 9:40 am

Zohar Kormargodski, SUNY

The long-distance physics of Yang-Mills theory in 2+1 Dimensions

9:40 – 10:05 am

Cumrun Vafa, Harvard

On Uniqueness of Quantum Gravity

10:05 – 10:30 am 

Nima Arkani-Hamed, IAS

Spacetime, Quantum Mechanics, and Combinatorial Topology at Infinity


10:30 – 11:05 am  Break 


Session 2: Topological Phases in Quantum Matter 1

11:05 – 11:15 am  Moderator: John McGreevy, UCSD

11:15 – 11:40 am

Anton Kapustin, Caltech

The absence of equilibrium currents and chiral anomalies

11:40 – 12:05 pm

Meng Cheng, Yale

Global symmetry and anomaly in (1+1)d conformal field theories

12:05 – 12:30 pm

Ying Ran, Boston College

Nonlinear thermoelectric effects and the many-body Berry curvature dipole


12:30 – 2:00 pm Lunch


Session 3: Student Talks

2:00 – 3:00 pm 

Student Talks



3:00 – 3:30 pm Break


Session 4: Topology in Particle Theory and Mathematics

3:30 – 3:40 pm  Moderator: Ryan Thorngren, CMSA-Harvard

3:40 – 4:05 pm 

Michael Hopkins, Harvard


4:05 – 4:30 pm

Dan Freed, UT Austin

Gapped boundary theories for 3d Chern-Simons

4:30 – 4:55 pm

Zhenghan Wang, Station Q

Topological physics beyond anyons: fractons and black holes



Wednesday, September 11

8:30 – 9:15 am Breakfast

Session 5: Postdoc Talks

9:15 – 10:30 am 

Postdoc Talks



10:30 – 11:00 am Break

Session 6: Tensor Networks, Fractons, etc. 

11:00 – 11:10 am Moderator: Mike Hermele, Boulder

11:10 – 11:35 am

John McGreevy, UCSD

Disentangling Quantum Matter

11:35 – 12:00 pm

Lukasz Fidkowski, UW

Disentangling the Generalized Double Semion Model

12:00 – 12:25 pm

Jeongwan Haah, Microsoft

Quantum cellular automata in three dimensions


12:25 – 2:00 pm Lunch


Session 7:  Topological Phases of Matter 2

2:00 – 2:10 pm Moderator: Ashvin Vishwanath, Harvard

2:10 – 2:35pm 

Jennifer Cano, SUNY

Topological Quantum Chemistry

2:35 – 3:00 pm

Chong Wang, Perimeter

A duality between band topology and quantum magnetism

3:00 – 3:25 pm

Shinsei Ryu, Chicago

Effective field theory approach to Floquet topological systems”


  3:25 – 3:30  Conclusion

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