Nonequilibrium Many-Body Quantum Matter Theory Group

We are studying the theory of nonequilibrium quantum many-body systems at Department of Physics, Osaka Metropolitan University.

Theory of Nonequilibrium Quantum Many-Body Physics at the Interface between Condensed Matter Physics, AMO Physics, and Quantum Information

Our research group conducts theoretical studies in quantum many-body systems, focusing on nonequilibrium physics, statistical mechanics, and quantum information. Recent advances in ultracold atoms have enabled the realization of open quantum systems, where controllable parameters allow access to novel quantum states and nonequilibrium phase transitions. Despite these developments, the role of strong correlation effects under dissipation remains far from fully understood. In collaboration with experimental groups, we investigate nonequilibrium quantum many-body phenomena arising from the interplay between dissipation and strong correlations.

Measurement

Recent Research
 Novel Many-Body Measurement-Induced Universality

Recently, quantum measurement has attracted great attention as it causes drastic nonequilibrium quantum phenomena such as in condensed matter physics and quantum information sciences. We have revealed that subsystem fluctuations in many-body systems can exhibit novel measurement-induced universality and are accessed in experiments without postselection.

Students and Postdocs

We welcome motivated students and postdocs

We are always looking for motivated students and postdocs who belong to Department of Physics, Osaka Metropolitan University. If you are interested, please contact us for further information.

Recent Activities

2026

  • Jul. 14 publication

    Original paper "Kondo breakdown induced by non-Hermitian complex hybridization" has been published in Physical Review B

  • Jul. 9 event

    Our collaborator, Jushin tei, visited in our laboratory.

  • Jul. 6 ~ Jul. 17 event

    Our research collaborator, Toranosuke Matsubara, Soma Takemori, and Juntaro Fujii stayed in our laboratory.

  • Jul. 4 publication

    Original paper "Measurement-induced spatially nonuniform fluctuations of the local particle number and their crossover in a quasiperiodic free-fermion chain" has appeared on arXiv

  • May. 13 award

More activities