The International Workshop on Exotic Quantum Phases due to Unhappy Electrons

Takeda Hall, Hongo-Asano Campus, University of Tokyo, Japan

November 12(Wed) -14(Fri), 2025

Scope

This workshop focuses on studies related to exotic quantum phases emerging from the following guiding principles:
(1) Confinement in low dimensions,
(2) Frustration/competing interactions,
(3) Quantum criticality,
(4) Multiple degrees of freedom, high entropy,
(5) Unusual valence states, and
(6) Other energetically unstable electronic states.

These guiding principles are common in terms of how one makes electrons in materials energetically unstable (or unhappy) to create exotic quantum phases. We will cover wide-ranging subjects, including correlated electron systems, low-dimensional systems, quantum spin systems, superconductors, and spin-orbit physics.

Invited Speakers (confirmed)

Hidenori Takagi (Max Planck Institute, Germany)
Gabriel Aeppli (ETH Zurich, Switzerland)
Sang-Wook Cheong (Rutgers Univ., USA)
Zenji Hiroi (Univ. of Tokyo, Japan)
Nigel Hussey (Bristol Univ., UK)
Harold Hwang (Stanford Univ., USA)
Bernhard Keimer (Max Planck Institute, Germany)
Bumjoon Kim (POSTECH, Korea)
Yong-Baek Kim (Toronto Univ., Canada)
Yuji Matsuda (Los Alamos National Lab., USA)
Masao Ogata (Univ. of Tokyo, Japan)
Thom Palstra (Univ. of Twente, The Netherlands)
Zhi-Xun Shen (Stanford Univ., USA)
Yuichi Shimakawa (Kyoto Univ., Japan)
Yoshinori Tokura (RIKEN & Univ. of Tokyo, Japan)

Registration

Please register through Google Forms.

Deadline: Sep. 30, 2025.

Abstract submission
We will have a poster session after lunch on Nov. 13th (Thu) and also have some slots for oral presentations by contributed speakers.

Please submit 1-page abstract in a pdf format through the Google Forms above.
Please use the Word format below and convert it to a pdf file.

Abstract template (MS WORD)

Deadline of abstract submission: Sep. 30, 2025

Venue & Transportation

Takeda Hall of Takeda-sentanchi Building
in Hongo-Asano campus, University of Tokyo
2-11-16 Yayoi, Bunkyo, Tokyo 113-8656, Japan

Google map (Takeda-sentanchi Building in Hongo-Asano campus, University of Tokyo)

Hongo-Asano campus map
Takeda-sentanchi Building is No. 90 in the map.

Program

This workshop will start in the morning on Nov. 12th (Wed) and close at around noon on Nov. 14th (Fri).
We will have a poster session in the afternoon on Nov. 13th (Thu) and a banquet in the evening on Nov. 13th (Thu).

Accommodation

Forest Hongo
6-16-4 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan

phone: +81-(0)3-3813-4408 Access Map

A block of rooms is booked for invited speakers.

You can find other hotels near Hongo campus, Univ. of Tokyo.

Organizing Committee

Tsuyoshi Kimura (Univ. of Tokyo)
Nic Shannon (OIST)
Tetsuo Hanaguri (RIKEN)
Yoshihiko Okamoto (Univ. of Tokyo)
Minoru Nohara (Hiroshima Univ.)

Sponsors

JSPS Grant-in-Aid for Transformative
Research Areas: “Correlation Design
Science”

Institute for Functional Matter and
Quantum Technologies, University of
Stuttgart

JST Adopting Sustainable Partnerships for Innovative Research Ecosystem (ASPIRE)

Materials Innovation Research Center, University of Tokyo