3 papers
cond-mat.str-el2026
Tree tensor network impurity solver based on Cayley-tree mapping
Bo Zhan, Jia-Lin Chen, Zhen Fan +1
We introduce a tree tensor network (TTN) impurity solver that enables highly efficient and accurate real-time simulations of quantum impurity models. By decomposing a noninteractin…
quant-ph2026
Efficient simulation of low-entanglement bosonic Gaussian states in polynomial time
Tong Liu, Hui-Ke Jin, Tao Xiang +1
Bosonic Gaussian states are ubiquitous in quantum optics and condensed matter physics. While they are efficiently handled within the Gaussian formalism, sampling requires calculati…
cond-mat.mes-hall2025
Deconfined Quantum Critical Point in Quantum Hall Bilayers
Guangyu Yu, Tao Xiang, Zheng Zhu
Deconfined quantum critical points (DQCPs) represent an unconventional class of quantum criticality beyond the Landau-Ginzburg-Wilson-Fisher paradigm. Nevertheless, both their theo…