Reducibility Theory and Ergodic Theorems for Ergodic Quantum Processes

Fuente: arXiv
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Hauptverfasser: Ekblad, Owen, Schenker, Jeffrey
Format: Preprint
Veröffentlicht: 2024
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author Ekblad, Owen
Schenker, Jeffrey
author_facet Ekblad, Owen
Schenker, Jeffrey
contents We develop a Perron-Frobenius type theory for products of random quantum channels acting on finite-dimensional matrix algebras sampled from a stationary and ergodic stochastic process, which, in keeping with the literature, we call ergodic quantum processes. This serves as a unifying framework for many models, including i.i.d., Markovian, periodic, and quasiperiodic models. We establish various characterizations of irreducibility, from which we recover a number of general ergodic theorems. We then analyze some specific examples, and, in particular, give a refinement of our theory in the i.i.d. case.
format Preprint
id arxiv_https___arxiv_org_abs_2406_10982
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Reducibility Theory and Ergodic Theorems for Ergodic Quantum Processes
Ekblad, Owen
Schenker, Jeffrey
Quantum Physics
Mathematical Physics
We develop a Perron-Frobenius type theory for products of random quantum channels acting on finite-dimensional matrix algebras sampled from a stationary and ergodic stochastic process, which, in keeping with the literature, we call ergodic quantum processes. This serves as a unifying framework for many models, including i.i.d., Markovian, periodic, and quasiperiodic models. We establish various characterizations of irreducibility, from which we recover a number of general ergodic theorems. We then analyze some specific examples, and, in particular, give a refinement of our theory in the i.i.d. case.
title Reducibility Theory and Ergodic Theorems for Ergodic Quantum Processes
topic Quantum Physics
Mathematical Physics
url https://arxiv.org/abs/2406.10982