Incompatible observables

From Wikipedia, the free encyclopedia

This article does not cite any references or sources. (April 2008) Please help improve this article by adding citations to reliable sources. Unverifiable material may be challenged and removed.

This article may not meet the general notability guideline or one of the following specific guidelines for inclusion on Wikipedia: Biographies, Books, Companies, Fiction, Music, Neologisms, Numbers, Web content, or several proposals for new guidelines. If you are familiar with the subject matter, please expand or rewrite the article to establish its notability. The best way to address this concern is to reference published, third-party sources about the subject. If notability cannot be established, the article is more likely to be considered for redirection, merge or ultimately deletion, per Wikipedia:Guide to deletion. This article has been tagged since April 2008.

Two observables (values that can be measured), in quantum mechanics are incompatible if the commutator of the two observables does not evaluate as zero. This forms a basis for Heisenberg's uncertainty principle. Also see Canonical commutation relation and Conjugate variables