Search

MiS Preprint Repository

We have decided to discontinue the publication of preprints on our preprint server as of 1 March 2024. The publication culture within mathematics has changed so much due to the rise of repositories such as ArXiV (www.arxiv.org) that we are encouraging all institute members to make their preprints available there. An institute's repository in its previous form is, therefore, unnecessary. The preprints published to date will remain available here, but we will not add any new preprints here.

MiS Preprint
97/2014

Local Unitary Invariants for Multipartite Quantum Systems

Jing Wang, Ming Li, Shao-Ming Fei and Xianqing Li-Jost

Abstract

We present an approach of constructing invariants under local unitary transformations for multipartite quantum systems. The invariants constructed in this way can be complement to that in [Science 340 (2013) 1205-1208]. Detailed examples are given to compute such invariant in detail. It is shown that these invariants can be used to detect the local unitary equivalence of degenerated quantum states.

Received:
Sep 15, 2014
Published:
Oct 6, 2014
PACS:
03.67.-a, 02.20.Hj, 03.65.-w

Related publications

inJournal
2014 Repository Open Access
Jing Wang, Ming Li, Shao-Ming Fei and Xianqing Li-Jost

Local unitary invariants for multipartite quantum systems

In: Communications in theoretical physics, 62 (2014) 5, pp. 673-676