252 citations · 2.2k across the 89 of their papers we have counts for
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Transition between vacuum and finite-density states in the infinite-dimensional Bose-Hubbard model with spatially inhomogeneous dissipation
Shiono Asai, Shimpei Goto, Ippei Danshita
We analyze dynamics of the infinite-dimensional Bose-Hubbard model with spatially inhomogeneous dissipation in the hardcore boson limit by solving the Lindblad master equation with…
Quantum droplet of a two-component Bose gas in an optical lattice near the Mott insulator transition
Yoshihiro Machida, Ippei Danshita, Daisuke Yamamoto +1
We theoretically study dynamical formation of a quantum droplet in a two-component Bose-Hubbard system with an external trap potential. Specifically, the superfluid in the central…
Tensor-network study of correlation-spreading dynamics in the two-dimensional Bose-Hubbard model
Ryui Kaneko, Ippei Danshita
Recent developments in analog quantum simulators based on cold atoms and trapped ions call for cross-validating the accuracy of quantum-simulation experiments with use of quantitat…
Nonergodic dynamics of the one-dimensional Bose-Hubbard model with a trapping potential
Masaya Kunimi, Ippei Danshita
We investigate nonergodic behavior of the one-dimensional Bose-Hubbard model, which emerges in the unitary quantum dynamics starting with initial-state $|ψ(0)\rangle=|\cdots 2020\c…
Reentrance of the Disordered Phase in the Antiferromagnetic Ising Model on a Square Lattice with Longitudinal and Transverse Magnetic Fields
Ryui Kaneko, Yoshihide Douda, Shimpei Goto +1
Motivated by recent experiments with Rydberg atoms in an optical tweezer array, we accurately map out the ground-state phase diagram of the antiferromagnetic Ising model on a squar…
Matrix product state approach for a quantum system at finite temperatures using random phases and Trotter gates
Shimpei Goto, Ryui Kaneko, Ippei Danshita
We develop a numerical method based on matrix product states for simulating quantum many-body systems at finite temperatures without importance sampling and evaluate its performanc…