ERATO Sagawa
Information-to-Energy
Interconversion Project

The aim of this project is to establish the fundamental limit of energy cost for
information processing, which, in the long term, would lead to designing
principles of fast and energy-efficient computers.

PROJECT

ACHIEVEMENT

NEWS

2025/10/30: ERATO regular meeting was held on October 30 and 31, 2025.

2025/09/18: RIKEN Research News: Proving unsolvability beyond one dimension

2025/09/18: Press Release: “Quantum squeezing” a nanoscale particle for the first time

2025/09/17: Symposium [Thermodynamics of information and quantum: From optimal transport to quantum many-body systems] was held at JPS 2025 Annual Meeting.

2025/08/28: Press Release: Experimental Realization of a Maxwell’s Demon Exploiting Quantum Information Flow: Toward Efficient Quantum Feedback Control

2025/08/04: Upcoming event: Symposium [Thermodynamics of information and quantum: From optimal transport to quantum many-body systems] @JPS 2025 Annual Meeting (Hiroshima Univeristy)

2025/08/01: Press Release: Scientists reveal what makes optimal transport theory optimal in generative models

2025/07/01: ACHIEVEMENT was updated.

2025/07/01: Project members were updated.

2025/06/19: Press Release: Bulk-edge Correspondence in Measurement-induced Topological Phases

2025/06/13: Press Release: Intrinsic Quality Factors Approaching 10 Million in Superconducting Planar Resonators Enabled by Spiral Geometry

2025/06/10: Published: Takahiro Sagawa and Masahito Ueda, 量子測定と量子制御 [増訂第3版]

2025/05/01: ACHIEVEMENT was updated.

2025/04/01: Project members were updated.

2025/03/26: FY2024 ERATO (Sagawa)-Transformative research area B (Tajima) meeting was held on March 26 ~28, 2025 in Koriyama city.

2025/02/28: Press Release: Revealing the Effects of Symmetry on Thermodynamic Trade-off Relations: Toward elucidating the design principles of thermodynamic devices that achieve high-speed operation and low energetic costs

2025/02/01: Project members were updated.

2025/01/30: Press Release: Revealing the transition from the topological to the chaotic in nonlinear topological insulators: Towards the fundamental principle of nonlinear topology and its applications