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A separability criterion for density operators

Oliver Rudolph 2000 J. Phys. A: Math. Gen. 33 3951-3955   doi: 10.1088/0305-4470/33/21/308  Help

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Oliver Rudolph
Starlab NV/SA, Physics Division, Boulevard Saint Michel 47, B-1040 Brussels, Belgium
E-mail: rudolph@starlab.net

Abstract. We give a necessary and sufficient condition for a mixed quantum mechanical state to be separable. The criterion is formulated as a boundedness condition in terms of the greatest cross norm on the tensor product of trace class operators.

Print publication: Issue 21 (2 June 2000)
Received 10 February 2000

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