Research
Research Interests
Open quantum systems
Tensor network methods
Quantum chaos
Research Projects
Publications
R. Chen, X. Xu, and C. Guo, Grassmann Time-Evolving Matrix Product Operators for Equilibrium Quantum Impurity Problems, arXiv:2310.09842
R. Erbanni, X. Xu, T. F. Demarie, and D. Poletti, Simulating quantum transport via collisional models on a digital quantum computer, Phys. Rev. A 108, 032619 (2023).
R. Chen, X. Xu, and C. Guo, Grassmann Time-Evolving Matrix Product Operators for Quantum Impurity Models, arXiv:2308.05279.
W. Zhang, X. Xu, Z. Wu, V. Balachandran, and D. Poletti, Ground state search by local and sequential updates of neural network quantum states, Phys. Rev. B 107, 165149 (2023).
J. Qi, X. Xu, D. Poletti, and H.-K. Ng, Efficacy of noisy dynamical decoupling, Phys. Rev. A 107, 032165 (2023).
R. Chen and X. Xu, Non-Markovian effects in stochastic resonance in a two level system, Eur. Phys. J. Plus 138, 194 (2023).
X. Xu, C. Guo, and D. Poletti, Emergence of steady currents due to strong prethermalization, Phys. Rev. A 107, 022220 (2023)
X. Xu, C. Guo, and D. Poletti, Typicality of nonequilibrium quasi-steady currents, Phys. Rev. A 105, L040203 (2022)
B. Xing, X. Xu, V. Balachandran, and D. Poletti, Thermopower in a boundary-driven bosonic ladder in the presence of a gauge field, Phys. Rev. B 105, 115429 (2022)
X. Xu and D. Poletti, Localization-delocalization effects of a delocalizing dissipation on disordered XXZ spin chains, Chaos 31, 033133 (2021)
K. Wang, X. Xu, Y. Cheng, M. Zhang, J.-S. Wang, H. Wang, and G. Zhang, Magnon relaxation time in ferromagnetic monolayer governed by magnon-phonon interaction, Appl. Phys. Lett. 118, 023102 (2021)
B. Xing, X. Xu, V. Balachandran, and D. Poletti, Heat, particle, and chiral currents in a boundary driven bosonic ladder in the presence of a gauge field, Phys. Rev. B 102, 245433 (2020)
K. Wang, X. Xu, Y. Cheng, M. Zhang, J.-S. Wang, H. Wang, and G. Zhang, Magnon-magnon interaction and magnon relaxation time in a ferromagnetic monolayer, Phys. Rev. B 102, 235434 (2020)
R. Tan and X. Xu, and D. Poletti, Interaction-impeded relaxation in the presence of finite temperature baths, Phys. Rev. A 101, 023603 (2020)
R. Chen and X. Xu, Dissipative features of the driven spin-fermion systems, Phys. Rev. B 100, 115437 (2019)
M. Palmero, X. Xu, C. Guo, and D. Poletti, Thermalization with detailed-balanced two-site Lindblad dissipators, Phys. Rev. E 100, 022111 (2019)
X. Xu, K. Choo, V. Balachandran, and D. Poletti, Transport and energetic properties of a ring of interacting spins coupled to heat baths, Entropy 21(3), 228 (2019)
X. Xu, J. Thingna, C. Guo, and D. Poletti, Many-body open quantum systems beyond Lindblad master equations, Phys. Rev. A 99, 012106 (2019)
X. Xu, C. Guo, and D. Poletti, Interplay of interaction and disorder in the steady state of an open quantum system, Phys. Rev. B 97, 140201 (2018)
X. Xu, J. Thingna, and J.-S. Wang, Finite coupling effects in double quantum dot near equilibrium, Phys. Rev. B 95, 035428 (2017)