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quant-ph2024★ 2 cited
Effective temperature in approximate quantum many-body states
Yu-Qin Chen, Shi-Xin Zhang
In the pursuit of numerically identifying the ground state of quantum many-body systems, approximate quantum wavefunction ansatzes are commonly employed. This study focuses on the…
quant-ph2024★ 9 cited
Subsystem Information Capacity in Random Circuits and Hamiltonian Dynamics
Yu-Qin Chen, Shuo Liu, Shi-Xin Zhang
In this study, we explore the information capacity of open quantum systems, focusing on the effective channels formed by the subsystem of random quantum circuits and quantum Hamilt…