News:

• [Nov. 2024] Our collaboration with the Mak-Shan group on studying Kondo-breakdown transitions in moiré heterobilayers is published in the latest issue of Nature Physics. 

• [Nov. 2024] Our exact results on the low-energy optical spectral weight and upper bound on superconducting transition temperature in magic-angle twisted bilayer graphene appears in Physical Review Letters. Featured in Cornell Chronicle.  

• [Sep. 2024] Our paper in Nature Communications reports on the observation of a large thermodynamic response in a strongly correlated insulator, and provides an understanding in terms of fractionalized emergent fermionic particles.

• [July 2024] Congratulations to Dr. Juan Felipe Mendez-Valderrama for successfully defending his thesis! Felipe has accepted a PCCM postdoctoral fellowship at Princeton.  

• [July 2024] I have been appointed as the Joyce A.Yelencsics Rosevear '65 and Frederick M. Rosevear '64 Assistant Professor.

• [June 2024] I gave an invited talk at the Gordon Research Conference on Correlated electron systems.

• [June 2024] I am speaking at a Young Research Leaders workshop on Topological Materials & Beyond, organized by the IAS at HKUST, Hong Kong.

• [Apr. 2024] My student, Keiran Lewellen, received an NSF Graduate Research Fellowship.

• [Mar. 2024] I gave an invited talk at the APS March meeting in Minneapolis.

• [Jan. 2024] A theoretical framework to determine the low-energy effective “diamagnetic” response associated with superconductivity and excitonic superfluidity in interacting flat-band models. 

• [Dec. 2023] I am speaking at a workshop on Correlation & Topology in Quantum Matter organized by KIAS, IBS and PCS in Seoul, Korea.

• [Dec. 2023] I am speaking at a workshop on Recent Advances in Superconductivity: Theory and Experiment, organized by the University of Florida, Simons Foundation and William I. Fine Theoretical Physics Institute. 

• [Sep. 2023] I gave two talks at a workshop, Quantum materials with and without quasiparticles, and a conference, Electron Correlations beyond the Quasiparticle Paradigm: Theory and Experiment, at KITP, Santa Barbara.

• [Aug. 2023] A joint collaboration leads to a microscopic understanding for Planckian transport in a high conductivity oxide material. The theory and experiment papers have appeared in Proceedings of the National Academy of Sciences! Featured in Cornell Chronicle. 

• [July 2023] Our paper pointing out surprising connections between the phenomenon of jamming and the unconventional dynamics of charge fluctuations in strange metals appears in Nature Communications.

• [May 2023] Paper addressing the non-perturbative regime of superconductivity in the flat-band limit using exact analytical and numerical methods appears in Physical Review Letters.  

• [May 2023] I was awarded a New Frontier Grant at Cornell. See related story.

• [May 2023] Featured on The Academic Minute radio program. See related story. 

• [Mar. 2023] A proof-of-principle theoretical demonstration for the unconventional decay of collective density fluctuations in a non-Fermi liquid with a sharp Fermi surface.

• [Mar. 2023] Paper addressing the fundamental question of how to compute the diamagnetic response for interacting flat-band systems (e.g. moiré materials) appears in Proceedings of the National Academy of Sciences!

• [Feb. 2023] I have been selected as a 2023 Alfred P. Sloan Research Fellow in Physics. These two-year fellowships are awarded annually to early career researchers "in recognition of distinguished performance and a unique potential to make substantial contributions to their field ". Featured in Cornell Chronicle. 

• [Feb. 2023] Paper analyzing electrical transport near a continuous bandwidth-tuned Mott transition appears in Physical Review Letters. Featured in Cornell Chronicle. 

• [Jan. 2023] I received the NSF-CAREER award! This grant will help fund my group's research on strongly correlated gapless phases of quantum matter, going beyond the quasiparticle paradigm. Featured in Cornell Chronicle. 

• [Jan. 2023] Paper studying the emergence of correlated topological phases in amorphous solids appears in Physical Review Letters.

• [Dec. 2022] I am speaking at an international workshop on A Quantum Many-body Handshake: Theory and Simulation meet Experiment, organized by the Weizmann Institute of Science, Israel.

• [Oct. 2022] A proof-of-principle theoretical demonstration for a direct continuous quantum phase transition from a symmetry preserving metal to a Wigner-Mott insulator.

• [Oct. 2022] Check out my candid conversation with Cornell research to get a glimpse into what our group has been working on!

• [Sep. 2022] Review article describing a new approach for studying non-Fermi liquids and strange metals appears in Reviews of Modern Physics. 

• [Aug. 2022] Paper analyzing the validity of heuristic upper bounds on superconducting transition temperatures, and their violations, appears in npj Quantum Materials.

• [Aug. 2022] I am speaking at an international conference on Strongly correlated matter: From quantum criticality to flat bands, organized by ICTP and the University of Minnesota in Trieste, Italy.

• [July 2022] I am speaking at CT.QMAT22, an international conference on Complexity and Topology in Quantum Matter, organized by the Würzburg-Dresden Cluster of Excellence in  Würzburg, Germany.

• [Sep. 2021] Paper studying the role of filling-dependent renormalizations on pairing tendencies in twisted bilayer graphene appears in npj Quantum Materials.

• [Sep. 2021] Paper with the Mak-Shan group on studying a continuous Mott transition in half-filled moiré superlattices appears in Nature.

• [June 2021] I received a BSF research grant ("Simulating exotic magnetism and superconductivity in hybrid quantum materials") in collaboration with J. Ruhman, Bar-Ilan University.

• [June 2021] Pairing in twisted bilayer graphene gets a boost from umklapp processes.

• [May 2021] A new route to bad metallic behavior in geometrically frustrated models.

• [Nov. 2020] I am speaking at the (virtual) SPICE workshop on Coherent order and transport in spin-active systems: Interplay between magnetism and superconductivity, organized by the Johannes Gutenberg University in Mainz, Germany.

• [Nov. 2020] An unbiased, non-perturbative demonstration of strong-coupling superconductivity with a transition temperature scaling linearly with the interaction strength in a topological "flat-band" model.

• [June 2020] A new framework for describing "deconfined" metal-insulator transitions. 

• [June 2020] I wrote a review article for a special issue in Annals of Physics, dedicated to Gerasim Eliashberg on the occasion of his 90th birthday.

• [Feb. 2020] My paper with the Jarillo-Herrero group on characterizing transport properties of magic-angle graphene has just appeared in Physical Review Letters. See the accompanying Physics viewpoint article by Subir Sachdev.