Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1862748 | Physics Letters A | 2006 | 6 Pages |
Abstract
The example of nonpositive trace-class Hermitian operator for which Robertson–Schrödinger uncertainty relation is fulfilled is presented. The partial scaling criterion of separability of multimode continuous variable system is discussed in the context of using nonpositive maps of density matrices.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Physics and Astronomy (General)
Authors
Olga V. Man'ko, V.I. Man'ko, G. Marmo, E.C.G. Sudarshan, F. Zaccaria,