STAMP Seminar

Seminar

STAMP Seminar

Potential Toolkit to Attack Nonperturbative Aspects of QFT -Resurgence and related topics-

September 7 - 25, 2020

Dr. Aleksey Cherman (University of Minnesota, USA)
Prof. Gerald Dunne (University of Connecticut, USA)
Prof. Mithat Unsal (North Carolina State University, USA)
Dr. Toshiaki Fujimori (Keio University)
Dr. Yasuyuki Hatsuda (Rikkyo University)
Dr. Masazumi Honda (Kyoto University)
Dr. Okuto Morikawa (Kyushu University)
Dr. Naohisa Sueishi (Nagoya University)
Dr. Masahito Yamazaki (Kavli IPMU, The University of Tokyo / The University of Tokyo)

Recently, there have been significant developments in theoretical techniques/frameworks to tackle non-perturbative aspects of quantum field theory (QFT) such as the resurgence theory, the Lefschetz thimble method, ’t Hooft anomaly matching, and novel lattice setups. Such developments are still growing very rapidly and making fruitful connections not only among physicists involved in fields with broad energy scales but also with mathematicians. These developments would enable us to unveil rich and exciting physics of QFT in the non-perturbative regime. It is of primary importance to hold a workshop for researchers in various fields related to the topics to get together and overview/share the recent progresses, to discuss future directions, and to seek for possible new collaborations bridging various fields of physics/mathematics.

Venue: YITP (Kyoto University), Zoom, and Mozilla hubs

Event Official Language: English

Seminar

STAMP Seminar

Introduction to quantum many-body system

September 5 - 6, 2019

Dr. Hosho Katsura (Associate Professor, Department of Physics, Faculty of Science & Graduate School of Science, The University of Tokyo)

Venue: #535-537, Main Research Building / #435-437, Main Research Building

Event Official Language: Japanese

Seminar

STAMP Seminar

Large scale dynamics of integrable systems

July 12 at 16:00 - 17:00, 2019

Dr. Takato Yoshimura (King's college London, UK)

Hydrodynamics has been a universal tool to study the large scale (long-wavelength) dynamics of interacting many-body systems. It had not been, however, applied to integrable systems until 2016 when two papers, one of which is ours [Physical Review X 6 (4), 041065, (2016)], provided a first legitimate hydrodynamic theory of integrable systems that incorporates the anomalous number of conserved quantities in those systems. The key idea of the theory rests upon the use of thermodynamic Bethe ansatz that allows us to express the essential ingredients in hydrodynamics, densities and currents average of conserved charges, in terms of the quasi-particle basis. In this talk I will review this new hydrodynamic theory, coined generalized hydrodynamics (GHD). I will first introduce the basics of GHD, highlighting the difference with the conventional hydrodynamics (i.e. hydrodynamics for non-integrable systems). I will then present some recent developments in the theory, such as the exact computation of the Drude weight and hydrodynamic correlation functions.

Venue: Building 14 #213, Yagami campus, Keio University

Event Official Language: English

Seminar

STAMP Seminar

Spintronics in Non-Inertial Frames

November 15 at 13:00 - 18:00, 2018

Prof. Mamoru Matsuo (University of Chinese Academy of Sciences, China)

Venue: Seminar Room #160

Event Official Language: Japanese

Seminar

STAMP Seminar

Non-Hermitian phase transition from a polariton Bose-Einstein condensate to a photon laser

September 28 at 13:30 - 17:00, 2018

Dr. Ryo Hanai (Osaka University)

Venue: Seminar Room #160

Event Official Language: Japanese

Seminar

STAMP Seminar

Introduction to topological band structure

July 6 at 10:30 - 17:30, 2018

Dr. Tomoki Ozawa (Senior Research Scientist, iTHEMS)

Venue: Seminar Room #160

Event Official Language: Japanese

Seminar

STAMP Seminar

Introduction to spin-boson model

June 22 at 10:30 - 17:30, 2018

Dr. Takeo Kato (The Institute for Solid State Physics (ISSP), The University of Tokyo)

10:30-12:30 Introduction to spin-boson model @DR3 (14th Building 213) 14:00-15:30 Kondo effect @DR7 (14th Building 217) 16:00-17:30 Detail of NIBA formalism @DR7 (14th Building 217)

Venue: Yagami Campus, Keio University

Event Official Language: Japanese

Seminar

STAMP Seminar SUURI-COOL (Kyoto)

1-form Lieb-Schultz-Mattis theorem and anomaly matching in quantum dimer model

June 8 at 13:30 - 17:00, 2018

Dr. Yuta Kikuchi (RBRC Researcher, Theory Group, RIKEN BNL Research Center)

Venue: SUURI-COOL (Kyoto)

Event Official Language: Japanese

Seminar

STAMP Seminar

Abelian-Higgs dualities in quantum defect-mediated melting phase transitions

April 27 at 14:30 - 17:30, 2018

Dr. Aron Beekman (Keio University)

Venue: Seminar Room #160

Event Official Language: English

Seminar

STAMP Seminar

Resurgence Theory for Non-Perturbative Quantum Analysis

March 28 at 13:00 - 15:00, 2018

Dr. Tatsuhiro Misumi (Visiting Scientist, iTHEMS / Lecturer, Akita University)

Venue: Seminar Room #160

Event Official Language: English

Seminar

STAMP Seminar

Introduction to exact WKB analysis

March 27 at 10:00 - 12:00, 2018

Dr. Kohei Iwaki (Nagoya University)

Venue: Seminar Room #160

Event Official Language: English

Seminar

STAMP Seminar

Anomaly matching for spin chains

March 19 at 14:00 - 16:00, 2018

Dr. Yuya Tanizaki (Special Postdoctoral Researcher, Theory Group, RIKEN Nishina Center for Accelerator-Based Science)

Venue: Seminar Room #160

Event Official Language: English