Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/6239
| Title: | Physical transformations between quantum states | Authors: | Huang, Z Li, CK Poon, E Sze, NS |
Issue Date: | Oct-2012 | Source: | Journal of mathematical physics, Oct. 2011, v. 53, no. 10, 102209, p. 1-12 | Abstract: | Given two sets of quantum states {A₁, …, A[sub k]} and {B₁, …, B[sub k]}, represented as sets as density matrices, necessary and sufficient conditions are obtained for the existence of a physical transformation T, represented as a trace-preserving completely positive map, such that T(A[sub i]) = B [sub i] for i = 1, …, k. General completely positive maps without the trace-preserving requirement, and unital completely positive maps transforming the states are also considered | Keywords: | Quantum theory | Publisher: | American Institute of Physics | Journal: | Journal of mathematical physics | ISSN: | 0022-2488 (print) 1089-7658 (online) |
DOI: | 10.1063/1.4755846 | Rights: | © 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Z. Huang et al., J. Math. Phys., 53, 102209 (2012) and may be found at http://link.aip.org/link/?jmp/53/102209 |
| Appears in Collections: | Journal/Magazine Article |
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| Huang_Physical_Transformations_Quantum.pdf | 534.8 kB | Adobe PDF | View/Open |
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