6 papers · 1 filter
Unified Probe of Quantum Chaos and Ergodicity from Hamiltonian Learning
Nik O. Gjonbalaj, Christian Kokail, Susanne F. Yelin +1
Developing measures of quantum ergodicity and chaos stands as a foundational task in the study of quantum many-body systems. In this work, we propose metrics for these effects base…
Quantum thermalization must occur in translation-invariant systems at high temperature
Saúl Pilatowsky-Cameo, Soonwon Choi
Quantum thermalization describes how closed quantum systems can effectively reach thermal equilibrium, resolving the apparent incongruity between the reversibility of Schrödinger'…
Critically Slow Hilbert-Space Ergodicity in Quantum Morphic Drives
Saúl Pilatowsky-Cameo, Soonwon Choi, Wen Wei Ho
The maximum entropy principle is foundational for statistical analyses of complex dynamics. This principle has been challenged by the findings of a previous work [arXiv:1701.07596]…
Fast computational deep thermalization
Shantanav Chakraborty, Soonwon Choi, Soumik Ghosh +1
Deep thermalization refers to the emergence of Haar-like randomness from quantum systems upon partial measurements. As a generalization of quantum thermalization, it is often assoc…
Experimental signatures of Hilbert-space ergodicity: Universal bitstring distributions and applications in noise learning
Adam L. Shaw, Daniel K. Mark, Joonhee Choi +4
Systems reaching thermal equilibrium are ubiquitous. For classical systems, this phenomenon is typically understood statistically through ergodicity in phase space, but translating…
Hilbert-Space Ergodicity in Driven Quantum Systems: Obstructions and Designs
Saúl Pilatowsky-Cameo, Iman Marvian, Soonwon Choi +1
Despite its long history, a canonical formulation of quantum ergodicity that applies to general classes of quantum dynamics, including driven systems, has not been fully establishe…