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Theoretical gravitation and high energy physics group

Prof. Barak Kol

Michael Polak Chair in Theoretical Physics

The Hebrew University of Jerusalem 91904 Israel 
The Racah Institute of Physics
Title: Full Professor
          Former head of Physics Studies
Office: Kaplun 210
Phone: (972-2) 6584929
Email: barak_kol@phys.huji.ac.il
"Theories of the three-body problem" workshop, October 8-12, 2023, Jerusalem

News

2/2024 "Measurement of three-body chaotic absorptivity predicts chaotic outcome distribution" published. See HU press release and phys.org

3/2023 On Monday, 27 March at 16:00, Raphael Bousso (Berkeley) shall deliver this year's Bekenstein Lecture in hybrid in-person + Zoom mode. Title: "Bekenstein's revolutionary legacy", see video.

Meeting on gravity, Tuesday, 28 March 9:45-16:00, at Danciger B seminar room. Program.

2/2023 "Measurement of three-body chaotic absorptivity predicts chaotic outcome distribution" appears

5/2022 "Regularized phase-space volume for the three-body problem" appears, see seminar video.

1/2022 The annual Bekenstein Lecture was presented by Roger Penrose and titled "Black Hole Entropy: its Key Role in the 2nd Law of Thermodynamics", see video.

7/2021 "Natural dynamical reduction of the three-body problem" appears. See video for an associated talk, and slides.

3/2021 "Flux-based statistical prediction of three-body outcomes" accepted for publication in Celestial Mechanics and Dynamical Astronomy. Media Mentions.

1/2021 "Testing the Flux-based statistical prediction of the Three-Body Problem" with Viraj Manwadkar, Alessandro Trani and Nathan Leigh  appears. The Flux-based theory is tested through numerical simulations which reveal strong agreement.

1/2021  "Numerator seagull and extended Symmetries of Feynman Integrals" with Amit Schiller and Ruth Shir published in JHEP [arXiv link]. SFI is generalized to incorporate diagrams with irreducible numerators.

6/2020 "Flux based statistical prediction of three-body outcomes" appears in complete version. It introduces a novel statistical theory for the three-body problem, one of the oldest and deepest problems in physics.

3/2020 "Triangle diagram, distance geometry and Symmetries of Feynman Integrals" with Subhajit Mazumdar published in JHEP [arXiv link].

More news

Meeting on Gravity 21 Jan 2020, Jerusalem, Ross bldg. first floor seminar room program

Meeting on Quantum Gravity 9 Jan 2018, Jerusalem, Danciger B seminar room program

Research interests

Theoretical High Energy Physics
  • General relativity
  • Quantum field theory
  • Supersymmetry
  • String theory

Useful links

Seminars in the Faculty
Math department seminars
Secretarial contact information


 
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