Recent Recorded Talks

KITP - Generalized Black Hole Entropy is von Neumann Entropy

Witten Hamburg Prize Symposium - Generalized Black Hole Entropy is von Neumann Entropy

ESI Mathematical Relativity Seminar - Infrared Finite Scattering Theory in QFT and QG

Institute for Quantum Information and Quantum Optics (Vienna, Austria) - Black Holes are Watching You

Workshop on Flat Space Holography (Corfu, Greece) - Infrared Finite Scattering Theory in Quantum Field Theory and Quantum Gravity

APS DGRAV Seminar (with Bob Wald) - Black Holes are Watching You

click here for all recorded talks

* invited talks

Upcoming Seminars and Conferences:

  1. QuRIOS Collaboration Meeting* (Los Angelos, California): Infrared Finite Scattering Theory: Paradigms and Puzzles (March 2024)

Colloquia:

  1. Quantum Gravity in the Lab*: Gravitationally Mediated Entanglement: Newtonian Field, Gravitons and Black Holes (July 2022)- link to slides

Organized Conferences:

  1. Random Physics (Princeton, NJ) - March 2024 (PCTS)

  2. Nonlinear Aspects of General Relativity (Princeton, NJ) - October 2023 (Joint w/ PCTS and PGI)

  3. Quantum Information, Dynamics and Ergodicity: From Many-Body Systems to Gravity (Princeton, NJ) - February 2023 (PCTS)

Seminars:

  1. MIT String/Gravity Seminar* (Boston, Mass.): Generalized Black Hole Entropy is von Neumann Entropy (March 2024)

  2. Univ. of British Columbia High Energy Seminar* (Vancouver, Canada): Generalized Black Hole Entropy is von Neumann Entropy (February 2024)

  3. Radboud Univ. Quantum & Gravity Seminar* (Nijmegen, Netherlands): Generalized Black Hole Entropy is von Neumann Entropy (February 2024)

  4. UBC High Energy Seminar* (Vancouver, Canada): Generalized Black Hole Entropy is von Neumann Entropy (February 2024) - link to slides

  5. Radboud Univ. Quantum & Gravity Seminar* (Nijmegen, Netherlands): Generalized Black Hole Entropy is von Neumann Entropy (February 2024) - link to slides

  6. UCSB High Energy and Gravity Seminar* (Santa Barbara, CA): Generalized Black Hole Entropy is von Neumann Entropy (November 2023) - link to recording

  7. UChicago Kadanoff Seminar* (Chicago, Illinois): Generalized Black Hole Entropy is von Neumann Entropy (October 2023)

  8. UIUC Theoretical and Mathematical Physics Seminar* (Urbana-Champaign, Ill.): Generalized Black Hole Entropy is von Neumann Entropy (October 2023) - link to slides

  9. Quirios Workshop* (Amsterdam, Netherlands): Horizons are Watching You (July 2023) - link to slides

  10. ESI Workshop on Spectral Theory and Mathematical Relativity* (Vienna, Austria): Infrared Finite Scattering Theory in QFT and Quantum Gravity (June 2023) - link to slides

  11. Joint TU and U Vienna Seminar* (Vienna, Austria): Infrared Aspects QFT and Quantum Gravity: Scattering and Coherence (May 2023) - link to slides

  12. UChicago Kadanoff Seminar* (Chicago, Illinois): Horizons are Watching You (May 2023) - link to slides

  13. McGill HEP Seminar* (Montreal, Quebec): Horizons are Watching You (March, 2023) - link to slides

  14. Stanford It From Quibit Group Meeting* (Palo Alto, California): Infrared Finite Scattering Theory in QFT and Quantum Gravity (February 2023)

  15. Stanford HEPL + Gravity Seminar* (Palo Alto, California): Horizons are Watching You (February 2023)

  16. Berkeley Center for Theoretical Physics String Seminar* (Berkeley, California): Horizons are Watching You (February 2023) - link to slides

  17. Harvard Center for Fundamental Laws and Nature High Energy Theory Group Meeting* (Cambridge, Massachusetts): Horizons are Watching You (February 2023) - link to slides

  18. Perimeter Institute Quantum Gravity Seminar* (Waterloo, Ontario): Horizons are Watching You (February 2023) - link to slides

  19. University of Chicago High Energy Lunch Seminar* (Chicago, Illinois): Horizons are Watching You (January 2023)

  20. Van Swinderen Institute for Particle Physics & Gravity Seminar* (Groningen, Netherlands): Black Holes are Watching You (December 2022) - link to slides

  21. DGRAV Seminar* (joint seminar with Bob Wald): Black Holes are Watching You (December 2022) - link to slides

  22. Van Swinderen Institute for Particle Physics & Gravity Seminar*(Groningen, Netherlands): Infrared Finite Scattering Theory in QFT and Quantum Gravity (November 2022) - link to slides

  23. Princeton Amplitudes Group Meeting* (Princeton, New Jersey): Infrared Finite Scattering Theory in QFT and Quantum Gravity (November 2022) - link to slides

  24. VandyGRAF Seminar* (Nashville, Tenessee): Black Holes are Watching You (November 2022) - link to slides

  25. Caltech TAPIR Seminar* (Pasadena, California): Gravitationally Mediated Entanglement: Newtonian Field, Gravitons and Black Holes (October 2022) - link to slides

  26. UVA Gravity Seminar* (Charlottesville, Virginia): Infrared Finite Scattering Theory in QFT and Quantum Gravity (October 2022) - link to slides

  27. Princeton Gravity Initiative Seminar* (Princeton, New Jersey): Black Holes are Watching You (October 2022) - link to slides

  28. IQOQI Seminar* (Vienna, Austria): Black Holes Decohere Quantum Superpositions (September 2022) - link to slides

  29. Vienna Relativity Seminar* (Vienna, Austria): The Memory Effect and Infrared Finite Scattering Theory in QFT and Quantum Gravity (September 2022) - link to slides

  30. UCL Seminar* (London, England): Black Holes Decohere Quantum Superpositions (August 2022) - link to notes

  31. UC Davis High Energy Seminar* (Davis, California): Infrared Finite Scattering Theory in QFT and Quantum Gravity (June 2022) - link to slides

  32. Carleton University High Energy Seminar* (Ottowa, Canada): Gravitationally Mediated Entanglement: Newtonian Field vs. Gravitons (May 2022) - link to slides

  33. UPenn High Energy Seminar* (Philadelphia, PA): Infrared Finite Scattering in QFT and Quantum Gravity (January 2022) — link to slides

  34. Gravity Amazonia Meeting* (Belém, Brazil): Infrared Finite Scattering Theory in QED and Quantum Gravity (August 2021) — link to slides

  35. University of New Brunswick Gravity Meeting* (New Brunswick, CA) Asymptotic States in Quantum Gravity (December 2020) — link to slides

  36. KITP High Energy and Gravity Seminar* (Santa Barabara, California): Memory, Infrared Divergences and Asymptotic States in Quantum Gravity (November 2020) — link to slides

  37. University of Chicago Kadanoff Center Meeting* (Chicago, Ill.) Memory and IR Divergences in Quantum Gravity (May 2020)

  38. Stanford Institute for Theoretical Physics Colloquium* (Pasadena, CA) The Memory Effect, Asymptotic Symmetry and Infrared Divergences in Classical and Quantum Gravity (September 2019) — link to slides

  39. University of Chicago Kadanoff Seminar* (Chicago, Ill.) The Memory Effect, Asymptotic Symmetries and Infrared Divergences in Classical and Quantum Gravity (May 2019) — link to slides

  40. Amherst Center for Fundamental Interactions Seminar* (Amherst, Mass.) The Memory Effect, Asymptotic Symmetry and Infrared Divergences in Classical and Quantum Gravity (March 2019)

  41. Amherst Center for Fundamental Interactions Seminar* (Amherst, Mass.) The Gravitational Wave Memory Effect in all Spacetime Dimensions (November 2017)

Conferences and Workshops:

  1. Hamburg Prize in Theoretical Physics Symposium* (Hamburg, Germany): (awarded to E. Witten) Generalized Black Hole Entropy is Von Neumann Entropy (November 2023) - link to slides

  2. ExU-YITP Workshop on Holography, Gravity and Quantum Information (Kyoto, Japan): Horizons are Watching You (September 2023) - link to slides

  3. Quantum Effects in Gravitational Fields (Leipzig, Germany): Horizons are Watching You (September 2023) - link to slides

  4. It From Qubit 2023* (Waterloo, Ontario): Horizons are Watching You (July 2023) - link to talk

  5. Strings 2023* (Waterloo, Ontario): Infrared Aspects QFT and Quantum Gravity: Scattering and Coherence (July 2023) - link to talk 

  6. Peyresq Workshop* (Peyresq, France): Horizons are Watching You (June 2023) - link to slides

  7. ICASU Modified Gravity Workshop* (Urbana-Champaign, Illinois): Horizons are Watching You (May 2023) - link to slides

  8. APS April Meeting (Minneapolis, Minnesota): Horizons are Watching You (April 2023) - link to slides

  9. Celestial Amplitudes and Flat Space Holography Workshop* (Corfu, Greece): Infrared Finite Scattering Theory in QFT and Quantum Gravity (September 2022) - link to slides

  10. Fundamental Aspects of Gravity Workshop* (London, England): Infrared Finite Scattering Theory in QFT and Quantum Gravity (August 2022) - link to slides

  11. 23rd International Conference on General Relativity and Gravitation (Beijing, China): Gravitationally Mediated Entanglement: Newtonian Field vs. Gravitons (July 2022) - link to slides , link to video

  12. QISS 2022 - Quantum Information and Quantum Gravity Conference* (London, Ontario): Black Holes Decohere Quantum Superpositions (June 2022) - link to poster

  13. 11th Central European Relativity Seminar* (Vienna, Austria): Asymptotic States in Quantum Gravity (February 2021)

  14. 22nd Internation Conference on General Relativity and Gravitation (Valencia, Spain): Asymptotic Behavior of Massless Fields and the Memory Effect (July 2019)

  15. Gordon Research Conference on String Theory and Cosmology* (Barcelona, Spain): Radiation and Asymptotic Symmetries with Compact Extra Dimensions (June 2019)

  16. Midwest Relativity Meeting:

  17. American Physical Society April Meeting: