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Renormalization group evolution of the non-unitary operator

✍ Scribed by Subrata Khan


Book ID
116798580
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
638 KB
Volume
864
Category
Article
ISSN
0550-3213

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Factoring the unitary evolution operator
✍ X.X. Yi; C.P. Sun πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 75 KB

The unitary evolution can be represented by a finite product of exponential operators. It leads to a perturbative expression of the density operator of a close system. Based on the perturbative expression scheme, we present an entanglement measure. This measure has the advantage that it is easy to c