Trace distance
id:
trace-distance-268-1698703
title:
Trace distance
text:
In quantum mechanics, and especially quantum information and the study of open quantum systems, the trace distance T is a metric on the space of density matrices and gives a measure of the distinguishability between two states. It is the quantum generalization of the Kolmogorov distance for classical probability distributions.
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Trace_distance
date created:
date modified:
2023-02-13T02:45:06Z
main entity:
{"identifier":"Q7831154","url":"https://www.wikidata.org/entity/Q7831154"}
image:
fields total:
13
integrity:
13