Hongchao Li, Cheng Shang, Tomotaka Kuwahara, Tan Van Vu
arXiv:2503.13731
Kohtaro Kato, Tomotaka Kuwahara
arXiv:2504.02235
Kaoru Mizuta, Tomotaka Kuwahara
arXiv:2504.20746
Xin-Hai Tong, Tomotaka Kuwahara, Zongping Gong
arXiv:2411.10759
arXiv.org
Locally Interacting Lattice Bosons: Clustering Theorem, Low-Density Condition and Their Applications
In statistical and quantum many-body physics, the correlation function is a fundamental quantity, especially for lattice models described by local Hamiltonians….
Donghoon Kim, Tomotaka Kuwahara
arXiv:2411.02157
arXiv.org
Entanglement area law in interacting bosons: from Bose-Hubbard, $ϕ$4, and beyond
The entanglement area law is a universal principle that characterizes the information structure in quantum many-body systems and serves as the foundation for mo…
Donghoon Kim, Tomotaka Kuwahara
arXiv:2411.02140
arXiv.org
Quantum complexity and generalized area law in fully connected models
The area law for entanglement entropy fundamentally reflects the complexity of quantum many-body systems, demonstrating ground states of local Hamiltonians to b…
Rakesh Achutha, Donghoon Kim, Yusuke Kimura, Tomotaka Kuwahara
arXiv preprint arXiv:2409.02819
arXiv.org
Efficient Simulation of 1D Long-Range Interacting Systems at Any Temperature
We introduce a method that ensures efficient computation of one-dimensional quantum systems with long-range interactions across all temperatures. Our algorithm …
Tomotaka Kuwahara
arXiv:2407.05835
Tomotaka Kuwahara, Marius Lemm
arXiv:2405.04672
Yusuke Kimura
arXiv:2401.16436