392 citations
- Argonne National LaboratoryUS11 papers
- Lawrence Livermore National LaboratoryUS10 papers
- The University of Texas at AustinUS10 papers
- University of California, BerkeleyUS8 papers
- Centre National de la Recherche ScientifiqueFR6 papers
- Santa Fe InstituteUS6 papers
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- Intel (United States)US5 papers
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Showing 2012 · quant-phShow all
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quant-ph2012★ 19 cited
All unitaries having operator Schmidt rank 2 are controlled unitaries
Scott M. Cohen, Li Yu
We prove that every unitary acting on any multipartite system and having operator Schmidt rank equal to 2 can be diagonalized by local unitaries. This then implies that every such…
quant-ph2012★ 6 cited
Conditions for uniqueness of product representations for separable quantum channels and separable quantum states
Scott M. Cohen
We give a sufficient condition that an operator sum representation of a separable quantum channel in terms of product operators is the unique product representation for that channe…