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Metal-insulator transitions

- M. Imada, A. Fujimori, Y. Tokura
- Physics
- 1 October 1998

Metal-insulator transitions are accompanied by huge resistivity changes, even over tens of orders of magnitude, and are widely observed in condensed-matter systems. This article presents the… Expand

Frequency-dependent local interactions and low-energy effective models from electronic structure calculations

- F. Aryasetiawan, M. Imada, A. Georges, G. Kotliar, S. Biermann, A. Lichtenstein
- Physics
- 30 January 2004

We propose a systematic procedure for constructing effective models of strongly correlated materials. The parameters, in particular the on-site screened Coulomb interaction $U$, are calculated from… Expand

Quantum Spin Liquid in Spin 1/2 J1–J2 Heisenberg Model on Square Lattice: Many-Variable Variational Monte Carlo Study Combined with Quantum-Number Projections

- Satoshi Morita, Ryui Kaneko, M. Imada
- Physics
- 28 October 2014

The nature of quantum spin liquids is studied for the spin-1/2 antiferromagnetic Heisenberg model on a square lattice containing exchange interactions between nearest-neighbor sites, J1, and those… Expand

Ab initio studies on the interplay between spin-orbit interaction and Coulomb correlation in Sr2IrO4 and Ba2IrO4.

- R. Arita, J. Kuneš, A. Kozhevnikov, A. Eguiluz, M. Imada
- Physics, Medicine
- Physical review letters
- 22 February 2012

TLDR

Constructing exact representations of quantum many-body systems with deep neural networks

- G. Carleo, Yusuke Nomura, M. Imada
- Physics, Medicine
- Nature Communications
- 26 February 2018

TLDR

Orbital physics in the perovskite Ti oxides

- M. Mochizuki, M. Imada
- Physics
- 26 October 2004

Titanate compounds have been recognized as key materials for understanding the coupling of magnetism and orbitals in strongly correlated electron systems. In the perovskite Ti oxide RTiO3 (where R… Expand

Clues and criteria for designing a Kitaev spin liquid revealed by thermal and spin excitations of the honeycomb iridate Na 2 IrO 3

- Youhei Yamaji, T. Suzuki, Takuto Yamada, S. Suga, N. Kawashima, M. Imada
- Physics
- 21 January 2016

Contrary to the original expectation, ${\mathrm{Na}}_{2}{\mathrm{IrO}}_{3}$ is not a Kitaev's quantum spin liquid (QSL) but shows a zigzag-type antiferromagnetic order in experiments. Here, we… Expand

Dirac-type nodal spin liquid revealed by machine learning

- Yusuke Nomura, M. Imada
- Physics
- 28 May 2020

Pursuing fractionalized particles that do not bear properties of conventional bare particles such as electrons or magnons is a challenge in physics. Here we show that machine-learning methods for… Expand

Monte Carlo Calculation of Quantum Systems. II. Higher Order Correction

- Minoru Takahashi, M. Imada
- Physics
- 15 November 1984

The higher order correction term is obtained for the Monte Carlo calculation of the path integral. The correction is expressed only by a modification of the potential term: \(V(\textbf{\itshape… Expand

Comparison of Ab initio Low-Energy Models for LaFePO, LaFeAsO, BaFe2As2, LiFeAs, FeSe, and FeTe

- T. Miyake, Kazuma Nakamura, R. Arita, M. Imada
- Materials Science, Physics
- 19 November 2009

Effective low-energy Hamiltonians for several different families of iron-based superconductors are compared after deriving them from the downfolding scheme based on first-principles calculations.… Expand

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