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Ultrafast Entanglement Dynamics in Monitored Quantum Circuits
Shengqi Sang, Zhi Li, Timothy H. Hsieh +1
Projective measurement, a basic operation in quantum mechanics, can induce seemingly nonlocal effects. In this work, we analyze such effects in many-body systems by studying the no…
Bang-bang algorithms for quantum many-body ground states: a tensor network exploration
Ruoshui Wang, Timothy H. Hsieh, Guifre Vidal
We use matrix product techniques to investigate the performance of two algorithms for obtaining the ground state of a quantum many-body Hamiltonian in infinite syst…
Measurement as a shortcut to long-range entangled quantum matter
Tsung-Cheng Lu, Leonardo A. Lessa, Isaac H. Kim +1
The preparation of long-range entangled states using unitary circuits is limited by Lieb-Robinson bounds, but circuits with projective measurements and feedback (``adaptive circuit…
Probing sign structure using measurement-induced entanglement
Cheng-Ju Lin, Weicheng Ye, Yijian Zou +2
The sign structure of quantum states is closely connected to quantum phases of matter, yet detecting such fine-grained properties of amplitudes is subtle. Here we employ as a diagn…
Entanglement Dynamics of Noisy Random Circuits
Zhi Li, Shengqi Sang, Timothy H. Hsieh
The process by which open quantum systems thermalize with an environment is both of fundamental interest and relevant to noisy quantum devices. As a minimal model of this process,…