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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

Possibility of deconfined criticality in SU(N) Heisenberg models at small N

- K. Harada, T. Suzuki, +5 authors N. Kawashima
- Physics
- 1 July 2013

To examine the validity of the scenario of the deconfined critical phenomena, we carry out a quantum Monte Carlo simulation for the SU($N$) generalization of the Heisenberg model with four-body and… Expand

Effective model with strong Kitaev interactions for α -RuCl 3

We use an exact numerical diagonalization method to calculate the dynamical spin structure factors of three ab initio models and one ab initio guided model for a honeycomb-lattice magnet… Expand

Ground-State Phase Diagram of the Two-Dimensional Extended Bose-Hubbard Model

- T. Ohgoe, T. Suzuki, N. Kawashima
- Physics
- 16 June 2012

Research Center for Nano-Micro Structure Science and Engineering,Graduate School of Engineering, University of Hyogo, Himeji, Hyogo 671-2280, Japan(Dated: June 19, 2012)We investigate the… Expand

Thermal phase transition of generalized Heisenberg models for SU(N) spins on square and honeycomb lattices

- T. Suzuki, K. Harada, H. Matsuo, S. Todo, N. Kawashima
- Physics
- 16 March 2015

We investigate thermal phase transitions to a valence-bond solid phase in SU(N) Heisenberg models with four- or six-body interactions on a square or honeycomb lattice, respectively. In both cases, a… Expand

Modification of directed-loop algorithm for continuous space simulation of bosonic systems.

- Yasuyuki Kato, T. Suzuki, N. Kawashima
- Physics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 14 June 2007

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Study of the Shastry Sutherland Model Using Multi-scale Entanglement Renormalization Ansatz

- J. Lou, T. Suzuki, K. Harada, N. Kawashima
- Physics
- 10 December 2012

We performed variational calculation based on the multi-scale entanglemnt renormalization ansatz, for the antiferromagnetic Heisenberg model on a Shastry Sutherland lattice (SSL). Our results show… Expand

Quantum phases of hard-core bosons on two-dimensional lattices with anisotropic dipole-dipole interaction

- T. Ohgoe, T. Suzuki, N. Kawashima
- Physics
- 10 October 2011

By using an unbiased quantum Monte Carlo method, we investigate the hard-core Bose-Hubbard model on a square lattice with anisotropic dipole-dipole interaction. To study the effect of the anisotropy,… Expand

Gapless edge states and their stability in two-dimensional quantum magnets

- T. Suzuki, Masahiro Sato
- Physics
- 14 September 2012

We study the nature of edge states in extrinsically and spontaneously dimerized states of two-dimensional spin-$\frac{1}{2}$ antiferromagnets, by performing quantum Monte Carlo simulation. We show… Expand

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