Talks & Lectures

Recent talks

Rhombohedral graphene and the Berry trashcanKITP, Santa Barbara, 2026Progress report on superconductivitySimons Collaboration on New Frontiers in Superconductivity, 2025Exact solutions in superconductivityIsaac Newton Institute, Cambridge, 2025The rise of moiré systemsIPhT Colloquium, Saclay, 2025DMFT and Hubbard-I approximations on the heavy fermion model for twisted bilayer systemsCondensed Matter Physics in the City, 2025Talk at Allan Fest and Quantum Flatlands, a conference honoring Allan MacDonaldUT Austin, 2025Fractional Chern insulators and heavy fermions in twisted moiré samplesSPICE workshop Hybrid Correlated States, Mainz, 2024Superconducting mechanism and order parameter in TBG from the heavy fermion modelKITP, Santa Barbara, 2024The topological heavy fermion principle for interacting flat bands in TBG and beyondKITP, Santa Barbara, 2023Heavy fermion paradigm of topological flat band systemsQuasi-1D Topological Quantum Materials workshop, 2023

Earlier talks

An exact map between TBG (and multilayers) and topological heavy fermionsIBS Center for Theoretical Physics of Complex Systems, 2022An exact map between TBG (and multilayers) and topological heavy fermionsCondensed Matter Theory Center, 2022Mapping TBG into a topological heavy fermionCondensed Matter Physics in the City, 2022Strong coupling exact solutions of flat band modelsCondensed Matter Physics in the City, 2022Exact eigenstates in non-integrable systems: a violation of the ETHIHES, Bures-sur-Yvette, 2021Moiré samples: the twisted bilayer graphene scenarioSPICE-SPIN+X Seminar, 2021Exact eigenstates in non-integrable systems: a violation of ETHQuantum Matter Seminars, 2020Single-particle and many-body phase diagram of twisted bilayer grapheneICFO–MIT Frontiers of Light, 2020Talk at the Aspen Winter ConferenceQuantum Matter: Computation Meets Experiments, 2020Topological insulators from beginning to todayShoucheng Zhang Memorial Workshop, Stanford, 2019Topological quantum chemistryCenter for Integrated Quantum Materials, 2019Topological quantum chemistryStanford Applied Physics/Physics Colloquium, 2018Topological quantum chemistryICAS–UNSAM, Argentina, 2017Topological quantum chemistrySPICE workshop Spin Dynamics in Dirac Systems, Mainz, 2017Different fermions in condensed matterSPICE Young Research Leaders, Mainz, 2016Talk at NorditaNordita, Stockholm, 2009

Interviews and prizes

“Nobody expected it to exist”: on developments in condensed matter physicsBreakthrough Prize, 2017Toquin TEC, chapter 6, with Lili ArracheaTEC, Argentine television, 2018Topological states of matterSackler Prize lecture, Tel Aviv University, 2014

Lecture series and schools

Fractional Chern insulators in rhombohedral graphene; the Berry trashcan model
Theory Winter School, National MagLab, 2026

• Fractional Chern insulators in rhombohedral graphene
• Berry trashcan model, repulsive and attractive interactions

Lectures at the Topological Matter School
Topological Matter School, Donostia

• Lecture 1
• Lecture 2

Pentalayer graphene
Topological Matter School, Donostia

• Part I
• Part II

Moiré fractional Chern insulators; topological heavy fermions
Princeton Summer School on Condensed Matter Physics, 2024

• Moiré fractional Chern insulators
• Mapping of interacting flat bands with concentrated Berry curvature to a topological heavy fermion problem

Quantum geometry in flat bands and dispersive systems
Topological Matter School, Donostia, 2023

• Part I
• Part II

Flat band construction and topology; projected interacting Hamiltonians
Princeton Summer School on Condensed Matter Physics, 2022

• Flat band construction and topology
• Projected interacting Hamiltonians and collective modes

Topological flat bands
Topological Matter School, Donostia

• Lecture

Flat band principles in moiré and stoichiometric compounds
Topological Matter School, Donostia, 2021

• Part 1
• Part 2
• Part 3

Topological quantum chemistry
Theory Winter School, National MagLab, 2019

• Topological quantum chemistry: theory
• Topological quantum chemistry: materials

Elementary band representations, topology and twisted bilayer graphene
Topological Matter School, Donostia, 2018

• Elementary band representations in 1D
• Elementary representations and topology in 2D
• Elementary band representations and twisted bilayer graphene (III)

Topological quantum chemistry
Topological Matter School, Donostia, 2017

• Part I
• Part II
• Part III

Weyl semimetals and topological superconductors
Topological Matter School, Donostia, 2016

• Weyl semimetals I
• Weyl semimetals II
• Weyl semimetals III
• Weyl semimetals IV
• Topological superconductors I
• Topological superconductors II

Topological superconductors, category theory and anyon condensation
Prospects in Theoretical Physics, Institute for Advanced Study, 2015

• Topological superconductors, Majoranas and interactions
• Category theory and the Kitaev 16-fold way
• Anyon condensation

Majorana fermions
Summer School on Emergent Phenomena in Quantum Materials, Cornell, 2015

• Part 1
• Part 2