Non-Fermi Liquids: Recent Developments and Future Prospects

October 27 - 29, 2023

Sponsored by: Kadanoff Center for Theoretical Physics and James Franck Institute

Organized by:  Luca Delacrétaz, Ilya Esterlis (University of Wisconsin), Dam Thanh Son, Xiaochuan Wu

The problem of non-Fermi liquids (NFL) is a major outstanding problem in condensed matter physics, with experimental consequences for high-Tc superconductivity and fractional quantum Hall systems. The combination of strong correlations and extreme gaplessness of Fermi surfaces make it one of the most challenging problems in theoretical physics as well. We hope to bring together leading theorists working on NFL to synthesize recent developments and identify the most promising tools for future progress.

Andrey Chubukov (University of Minnesota)
Laura Classen (Max Planck Institute for Solid State Research)
Dominic Else (Perimeter Institute)
Eduardo Fradkin (University of Illinois)
Haoyu Guo (Cornell University)
Duncan Haldane (Princeton University)
Yong Baek Kim (University of Toronto)
Sung-Sik Lee (McMaster University and Perimeter Institute)
Alex Levchenko (University of Wisconsin)
Leonid Levitov (MIT)
Peter Lunts (Harvard University)
Han Ma (Perimeter Institute)
Dmitrii Maslov (University of Florida)
Umang Mehta (University of Colorado)
Aavishkar Patel (Flatiron Institute)
Pavel Nosov (Stanford University)
Philip Phillips (University of Illinois)
Subir Sachdev (Harvard University)
Jörg Schmalian (Karlruhe Institute of Technology)
T. Senthil (MIT)
Yuxuan Wang (University of Florida)
Mengxing Ye (University of Utah)

Thursday 10/26, 3rd floor atrium
Pedagogical lectures (intended for local participants).

2:30-3:30 Xiaochuan Wu Introduction to non-Fermi liquids 1
3:30-4:30 Break
4:30-5:30 Hart Goldman Introduction to non-Fermi liquids 2

Friday 10/27, MCP 201
(all talks are 35' + 10' for discussion)

8:30-8:55 Registration
8:55-9:00 Welcome

9:00-9:45 Duncan Haldane Fluid dynamics of the quantum Hall effect: Hall viscosity and electric quadrupole density
9:45-10:30 Yong Baek Kim Toward bosonization of non-Fermi liquids

10:30-11:00 Coffee break

11:00-11:45 Han Ma Renormalization group for metals: application to Fermi liquids and experimental consequences
11:45-12:30 Jörg Schmalian Tunable non-Fermi liquid phase from coupling to two-level systems

12:30-2:00 Lunch (catered)

2:00-2:45 Umang Mehta Perturbative non-Fermi liquids from nonlinear bosonization
2:45-3:30 Mengxing Ye A field theory approach to orbital magnetic responses in quantum many-body systems

3:30-4:00 Coffee break

4:00-4:45 Dmitrii Maslov Optical conductivity of a metal near quantum criticality
4:45-5:30 Haoyu Guo Angular dynamics of 2+1D Fermi and non-Fermi liquids

Saturday 10/28, MCP 201
(all talks are 35' + 10' for discussion)

9:00-9:45 Yuxuan Wang Properties and Mechanism for charge-4e superconductivity
9:45-10:30 Leonid Levitov Hydrodynamics of super Fermi liquids: T-linear conductance and non-Newtonian viscosity

10:30-11:00 Coffee break

11:00-11:45 Philip Phillips Beyond BCS: an exact model for superconductivity and Mottness
11:45-12:30 Senthil T. Non-Fermi liquid quantum critical points in moire fractional quantum anomalous Hall systems

12:30-2:00 Lunch (catered)

2:00-2:45 Pavel Nosov Entropy and de Haas-van Alphen oscillations of a three-dimensional marginal Fermi liquid
2:45-3:30 Sung-Sik Lee Landau interaction, superconductivity and low-energy symmetry in non-Fermi liquids

3:30-4:00 Coffee break

4:00-4:45 Andrey Chubukov A metal outside the validity of the Eliashberg theory: pseudogap vs incoherence
4:45-5:30 Subir Sachdev Fate of SYK-type strange metals at low temperatures

5:30-5:45 Short coffee break

5:45-6:30 Laura Classen Quantum critical points in moiré Dirac semimetals

7:00 Dinner

Sunday 10/29, MCP 201
(all talks are 35' + 10' for discussion)

8:30-9:15 Aavishkar Patel Universal theory of strange metals from spatially random interactions
9:15-10:00 Peter Lunts Strange metals from large scale Hybrid Monte Carlo

10:00-10:15 Short coffee break

10:10-11:00 Dominic Else Fermi surfaces beyond Fermi liquids: a general definition with applications to hydrodynamics and holography
11:00-11:45 Alex Levchenko Heat transfer in bilayers of non-Fermi liquids

11:45-12:00 Short coffee break

12:00-12:45 Eduardo Fradkin TBA

12:45 Lunch to go (catered)

Workshop Location

University of Chicago
Michelson Center for Physics
933 East 56th Street, Room 201
Chicago IL 60637


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