Beni Yoshida

Research Interests

My research uses quantum information theory to study many-body quantum physics and quantum gravity. I am currently interested in the relation between quantum chaos and the black hole information problem(s).

Positions Held

• 2015 Aug - 2017 June 5-year Senior Researcher, Perimeter Institute
• 2012 Aug - 2015 July    Burke Fellow, Institute for Theoretical Physics , Caltech

Recent Publications

• Scrambling and Complexity in Phase Space Quntao Zhuang, Thomas Schuster, Beni Yoshida, Norman Y. Yao Phys. Rev. A 99, 062334 (2019)
• Holographic Complexity Equals Which Action? Authors: Kanato Goto, Hugo Marrochio, Robert C. Myers, Leonel Queimada, Beni Yoshida J. High Energ. Phys. (2019) 2019: 160.
• Verified Quantum Information Scrambling Kevin A. Landsman, Caroline Figgatt, Thomas Schuster, Norbert M. Linke, Beni Yoshida, Norman Y. Yao, Christopher Monroe Nature 567 61-65 (2019)
• Jordan Cotler, Nicholas Hunter-Jones, Junyu Liu, Beni Yoshida Chaos, Complexity, and Random Matrices arXiv: 1706.05400
• arXiv:1611.05450 Symmetry protected topological order at nonzero temperature Sam Roberts, Beni Yoshida, Aleksander Kubica, Stephen D. Bartlett Phys. Rev. A 96, 022306 (2017)
• arXiv:1610.04903 Chaos and complexity by design Daniel A. Roberts, Beni Yoshida JHEP
• Xiaotong Ni, Fernando Pastawski, Beni Yoshida, Robert Koenig Preparing topologically ordered states by Hamiltonian interpolation NJP, arXiv: 1604.00029
• arXiv:1603.07805 Topological Order and Memory Time in Marginally Self-Correcting Quantum Memory Karthik Siva, Beni Yoshida Phys. Rev. A 95, 032324 (2017)
• Pavan Hosur, Xiao-Liang Qi, Daniel A. Roberts, Beni Yoshida, Chaos in quantum channels, JHEP arXiv: 1511.04021
• arXiv:1509.03626 Gapped boundaries, group cohomology and fault-tolerant logical gates Beni Yoshida Annals of Physics, 377, 387-413 (2017)
• Beni Yoshida, Topological phases with generalized global symmetries, Phys. Rev. B 93, 155131 (2016), arXiv: 1508.03468
• Firewalls vs. Scrambling Beni Yoshida arXiv: 1902.09763
• Soft mode and interior operator in Hayden-Preskill thought experiment Beni Yoshida arXiv: 1812.07353
• Ungauging quantum error-correcting codes Aleksander Kubica, Beni Yoshida arXiv: 1805.01836
• Efficient decoding for the Hayden-Preskill protocol Beni Yoshida, Alexei Kitaev arXiv: 1710.03363
• Quantum code and topological phases, a review article in Japanese, Suuri Kagaku

Seminars

• QI workshop, Tokyo
• Post-strings workshop, Kyoto
• Theory seminar, Stanford
• Particle theory seminar, Princeton
• Quantum Error-Correction, UMD
• UBC workshop on quantum gravity/information
• Relativistic Quantum Information, Kyoto
• Simons Symposium, Munich
• Yukawa Institute for Theoretical Physics, string/info theory
• UC Berkeley special seminar
• Stanford, Holographic complexity workshop
• UC Berkeley 290K seminar
• U Waterloo, special seminar
• PIRSA:17040026, Decoding a black hole, 2017-04-27, Colloquium
• PIRSA:17020102, Quantum error-correction and black holes, 2017-02-22, Perimeter Institute Quantum Discussions
• PIRSA:16070075, Bulk Reconstruction, 2016-07-27, It from Qubit Summer School
• PIRSA:16070027, Subsystem Codes, 2016-07-21, It from Qubit Summer School
• PIRSA:15080069, Order parameter for chaos , 2015-08-18, Quantum Information in Quantum Gravity II
• PIRSA:14090032, Fault-tolerant logical gates in quantum error-correcting codes, 2014-09-24, Perimeter Institute Quantum Discussions
• PIRSA:13010101, Exotic topological order from quantum fractal code, 2013-01-14, Perimeter Institute Quantum Discussions
• PIRSA:10030033, Quantum code with translation and scale symmetries, 2010-03-17, Perimeter Institute Quantum Discussions