4 papers
Scar subspaces stabilized by algebraic closure: Beyond equally-spaced spectra and exact solvability
Chihiro Matsui
We construct a class of quantum many-body systems hosting an -invariant scar subspace, extending the conventional paradigm of quantum many-body scars beyond equal…
Symmetry-protected topological scar subspaces
Chihiro Matsui, Thomas Quella, Naoto Tsuji
We propose a framework that extends the notion of symmetry-protected topological properties beyond the ground-state paradigm to dynamically isolated subspaces formed by exceptional…
4T2R X-ReRAM CiM Array for Variation-tolerant, Low-power, Massively Parallel MAC Operation
Fuyuki Kihara, Seiji Uenohara, Satoshi Awamura +3
Computation-in-Memory (CiM) is attracting attention as a technology that can perform MAC calculations required for AI accelerators, at high speed with low power consumption. Howeve…
Weak ergodicity breaking with isolated integrable sectors
Hosho Katsura, Chihiro Matsui, Chiara Paletta +1
We consider spin chain models with local Hamiltonians that display weak ergodicity breaking. In these models, the majority of the eigenstates are thermal, but there is a distinguis…