Day 3, June 17

Predicting new topological materials and transport in topological materials science

  • New approaches in identifying and predicting classes of topological materials
  • Quantum transport in topological matter including microscopics and phonon / electron hydrodynamics
  • Predicting new non-equilibrium phases in topological materials

The focus of day 3 is on computational and theoretical methods to describe an exciting new class of materials: Dirac and Weyl topological semimetals. In the past five years, the study of topology as it relates to physical systems has exploded. Work in topological condensed matter physics escalated in the early 2000s with the predictions of topologically protected states of matter, and the subsequent experimental discoveries of topological insulators in real two- and three-dimensional material systems made it a rapidly growing topic. Semimetals that host Weyl and Dirac fermionic excitations, condensed matter analogues of high-energy excitations, as well as chiral crystals which allow for new fermionic excitations that have no high energy physics counterparts, are each an interesting system in their own right. Many remarkable properties of these topological materials may be described as being distinct consequences of the chiral anomaly, a well-known phenomenon in relativistic quantum field theory. Interestingly, Weyl nodes can be induced or moved energetically in a material by driving with electromagnetic radiation; this presents a unique opportunity in non-equilibrium control of topological materials. Signatures of unconventional transport in these systems have also ignited substantial debate in the community.


All times are US Eastern Daylight Time

11:00 am – 11:45 am 

Opening Keynote Talk: Claudia Felser, Max Planck Institute for Chemical Physics of Solids (30 mins)
Talk Theme: Topological materials discovery
Q&A and open discussion after the talk (15 mins)

11:45 am – 12:30 pm

Invited Talk: Gil Refael, California Institute of Technology (30 mins)
Talk Theme: Non-equilibrium behavior of topological materials
Q&A and open discussion after the talk (15 mins)

12:30 pm – 1:15 pm

Keynote Talk: Ady Stern, Weizmann Institute for Science (30 mins)
Talk Theme: Transport and dynamics in topological materials
Q&A and open discussion after the talk (15 mins)

1:15 pm – 1:45 pm      

Panel Discussion: Claudia Felser, Ady Stern, Gil Refael and Maia Vergniory (30 mins)
Moderator: Prineha Narang
Talk Theme: Advances and breakthroughs needed in computational materials science to predict and understand topological materials away from equilibrium. Bonus: transport in topological materials.

1:45 pm – 2:00 pm   Break (15 mins)

2:00 pm – 2:45 pm

Afternoon Keynote Talk: Arun Bansil, Northeastern University (30 mins)
Talk Theme: Ab initio approaches in topological materials science
Q&A and open discussion after the talk (15 mins)

2:45 pm – 3:00 pm

Lightning Talks:
Lukas Muechler, Flatiron Institute

3:00 pm – 3:15 pm

Closing Remarks

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