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Belokurov, V.V.; Khrustalev, O.A.; Sadovnichij, V.A.; Timofeevskaya, O.D.
Joint Institute for Nuclear Research, Dubna (Russian Federation)
Particles and nuclei, letters; Proceedings of the international workshop 'Quantum Physics and Communication'2003
Joint Institute for Nuclear Research, Dubna (Russian Federation)
Particles and nuclei, letters; Proceedings of the international workshop 'Quantum Physics and Communication'2003
AbstractAbstract
[en] A new quantum mechanical notion - Conditional Density Matrix - is discussed and is applied to describe some physical processes. This notion is a natural generalization of von Neumann density matrix for such processes as divisions of quantum systems into subsystems and reunifications of subsystems into new joint systems. Conditional Density Matrix assigns a quantum state to a subsystem of a composite system on condition that another part of the composite system is in some pure state
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Ivanov, V.V. (ed.); Joint Institute for Nuclear Research, Dubna (Russian Federation); 130 p; 2003; p. 16-29; Quantum Physics and Communication; Dubna (Russian Federation); 16-17 May 2002; 8 refs.
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