170 citations · 1.3k across the 54 of their papers we have counts for
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TeNeS: Tensor Network Solver for Quantum Lattice Systems
Yuichi Motoyama, Tsuyoshi Okubo, Kazuyoshi Yoshimi +3
TeNeS (Tensor Network Solver) is a free/libre open-source software program package for calculating two-dimensional many-body quantum states based on the tensor network method and t…
sim-trhepd-rheed -- Open-source simulator of total-reflection high-energy positron diffraction (TRHEPD) and reflection high-energy electron diffraction (RHEED)
Takashi Hanada, Yuichi Motoyama, Kazuyoshi Yoshimi +1
The present paper reports sim-trhepd-rheed (STR), an open-source simulator of total-reflection high-energy positron diffraction (TRHEPD) and reflection high-energy electron diffrac…
Bayesian optimization package: PHYSBO
Yuichi Motoyama, Ryo Tamura, Kazuyoshi Yoshimi +3
PHYSBO (optimization tools for PHYSics based on Bayesian Optimization) is a Python library for fast and scalable Bayesian optimization. It has been developed mainly for application…
Interaction-induced quantum spin Hall insulator in the organic Dirac electron system -(BEDT-TSeF)I
Daigo Ohki, Kazuyoshi Yoshimi, Akito Kobayashi
Focusing on the recently-discovered candidate topological insulator -(BEDT-TSeF)I -- having two-dimensional charge-neutral Dirac cones in a low symmetry lattice -- we co…
derivation and exact-diagonalization analysis of low-energy effective Hamiltonians for -X[Pd(dmit)]
Kazuyoshi Yoshimi, Takao Tsumuraya, Takahiro Misawa
The molecular solids -[Pd(dmit)] (where represents a cation) are typical compounds whose electronic structures are described by single-orbital Hubbard-type…
Data analysis of effective Hamiltonians in iron-based superconductors $\unicode{x2014}$ Construction of predictors for superconducting critical temperature
Kota Ido, Yuichi Motoyama, Kazuyoshi Yoshimi +1
High-temperature superconductivity occurs in strongly correlated materials such as copper oxides and iron-based superconductors. Numerous experimental and theoretical works have be…
Robust analytic continuation combining the advantages of the sparse modeling approach and Padé approximation
Yuichi Motoyama, Kazuyoshi Yoshimi, Junya Otsuki
Analytic continuation (AC) from the imaginary-time Green's function to the spectral function is a crucial process for numerical studies of the dynamical properties of quantum many-…
Preparation and Readout of Multielectron High-Spin States in a Gate-Defined GaAs/AlGaAs Quantum Dot
H. Kiyama, K. Yoshimi, T. Kato +3
We report the preparation and readout of multielectron high-spin states, a three-electron quartet, and a four-electron quintet, in a gate-defined GaAs/AlGaAs single quantum dot usi…
Efficient ab initio many-body calculations based on sparse modeling of Matsubara Green's function
Hiroshi Shinaoka, Naoya Chikano, Emanuel Gull +6
This lecture note reviews recently proposed sparse-modeling approaches for efficient ab initio many-body calculations based on the data compression of Green's functions. The sparse…
Multiple-magnon excitations shape the spin spectrum of cuprate parent compounds
Davide Betto, Roberto Fumagalli, Leonardo Martinelli +12
Thanks to high resolution and polarization analysis, resonant inelastic x-ray scattering (RIXS) magnetic spectra of La2CuO4, Sr2CuO2Cl2 and CaCuO2 reveal a rich set of properties o…