Scrambling dynamics and out-of-time-ordered correlators in quantum many-body systems
This tutorial article introduces the physics of quantum information scrambling in quantum
many-body systems. The goals are to understand how to precisely quantify the spreading of …
many-body systems. The goals are to understand how to precisely quantify the spreading of …
Proposal for measuring out-of-time-ordered correlators at finite temperature with coupled spin chains
Abstract Information scrambling, which is the spread of local information through a system's
many-body degrees of freedom, is an intrinsic feature of many-body dynamics. In quantum …
many-body degrees of freedom, is an intrinsic feature of many-body dynamics. In quantum …
Robust estimation of nonlinear properties of quantum processes
The accurate and robust estimation of quantum process properties is crucial for quantum
information processing and many-body physics. Combining classical shadow tomography …
information processing and many-body physics. Combining classical shadow tomography …
Long-range bell states from local measurements and many-body teleportation without time reversal
In this Letter, we study quantum many-body teleportation, where a single qubit is teleported
through a strongly interacting quantum system, as a result of a scrambling unitary and local …
through a strongly interacting quantum system, as a result of a scrambling unitary and local …
Dynamics of operator size distribution in q-local quantum Brownian SYK and spin models
S Xu - arXiv preprint arXiv:2408.11737, 2024 - arxiv.org
We study operator dynamics in Brownian quantum many-body models with $ q $-local
interactions. The operator dynamics are characterized by the time-dependent size …
interactions. The operator dynamics are characterized by the time-dependent size …