Physics – Quantum Physics
Scientific paper
2011-09-28
Advances in Mathematical Physics, 2012:463610, 2012
Physics
Quantum Physics
9 pages, 2 figures, minor changes and corrections for version 2
Scientific paper
10.1155/2012/463610
We present applications of the representation theory of Lie groups to the analysis of structure and local unitary classification of Werner states, sometimes called the {\em decoherence-free} states, which are states of $n$ quantum bits left unchanged by local transformations that are the same on each particle. We introduce a multiqubit generalization of the singlet state, and a construction that assembles these into Werner states.
Lyons David W.
Skelton Abigail M.
Walck Scott N.
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