activity
20062026
most citedRESPACK: An ab initio tool for derivation of effective low-energy model of material

113 citations · 1.6k across the 59 of their papers we have counts for

collaborators

59 papers

quant-ph2026

Lee-Yang theorem for fermions

Chaithanya Rayudu, Takahiro Misawa, Andrew Zhao +1

Lee-Yang theorems are a powerful tool for studying many-body systems, with applications ranging from analyzing phase transitions to proving the efficiency of certain classical and…

cond-mat.str-el2026

Revisiting spin Hamiltonian parameters in a Kitaev material via Bayesian optimization of magnetization curves

Takahiro Misawa, Ryo Tamura, Kazuyoshi Yoshimi +1

Determining the spin Hamiltonian of a magnetic compound is crucial for understanding its magnetic properties. A standard approach is to derive model parameters from c…

cond-mat.str-el2026

Analytic Origin of Green-Function Compression in the Intermediate Representation

Takahiro Misawa

Information compression plays a central role in diverse fields of modern science and technology, from communication theory to machine learning. In condensed-matter physics, the int…

cond-mat.mes-hall2026

Spin Seebeck effect in magnetic junctions with a compensated ferrimagnet

Xin Theng Lee, Takahiro Misawa, Mamoru Matsuo +1

Compensated ferrimagnets enable ferromagnet-like spin transport without net magnetization. We study the spin Seebeck effect in a compensated ferrimagnet/normal-metal junction using…

cond-mat.str-el2023★ 4 cited

H-wave -- A Python package for the Hartree-Fock approximation and the random phase approximation

Tatsumi Aoyama, Kazuyoshi Yoshimi, Kota Ido +5

H-wave is an open-source software package for performing the Hartree--Fock approximation (HFA) and random phase approximation (RPA) for a wide range of Hamiltonians of interacting…

cond-mat.str-el2023★ 14 cited

Update of : Newly added functions and methods in versions 2 and 3

Kota Ido, Mitsuaki Kawamura, Yuichi Motoyama +5

[-] is an open-source software package of numerically exact and stochastic calculations for a wide range of quantum many-body systems. In this paper, we…