Local approximation of observables and commutator bounds
Mathematical Physics
2013-07-17 v1 math.MP
Operator Algebras
Quantum Physics
Abstract
We discuss conditional expectations that can be used as generalizations of the partial trace for quantum systems with an infinite-dimensional Hilbert space of states.
Cite
@article{arxiv.1103.5663,
title = {Local approximation of observables and commutator bounds},
author = {Bruno Nachtergaele and Volkher B. Scholz and Reinhard F. Werner},
journal= {arXiv preprint arXiv:1103.5663},
year = {2013}
}