A thorough analysis of the evolutions of bipartite systems characterized by the “effective absence” of interaction between the two subsystems is reported. First, the connection between the concepts underlying interaction-free evolutions (IFE) and decoherence-free subspaces (DFS) is explored, showing intricate relations between these concepts. Second, starting from this analysis and inspired by a generalization of DFS already known in the literature, we introduce the notion of generalized IFE (GIFE), also providing a useful characterization that allows one to develop a general scheme for finding GIFE states.

Militello, B., Chrunscinski, D., Messina, A., Nalezyty, P., Napoli, A. (2016). Generalized interaction-free evolutions. PHYSICAL REVIEW A, 93(2), 022113-1-022113-7 [10.1103/PhysRevA.93.022113].

Generalized interaction-free evolutions

MILITELLO, Benedetto
;
MESSINA, Antonino;NAPOLI, Anna
2016-01-01

Abstract

A thorough analysis of the evolutions of bipartite systems characterized by the “effective absence” of interaction between the two subsystems is reported. First, the connection between the concepts underlying interaction-free evolutions (IFE) and decoherence-free subspaces (DFS) is explored, showing intricate relations between these concepts. Second, starting from this analysis and inspired by a generalization of DFS already known in the literature, we introduce the notion of generalized IFE (GIFE), also providing a useful characterization that allows one to develop a general scheme for finding GIFE states.
2016
Militello, B., Chrunscinski, D., Messina, A., Nalezyty, P., Napoli, A. (2016). Generalized interaction-free evolutions. PHYSICAL REVIEW A, 93(2), 022113-1-022113-7 [10.1103/PhysRevA.93.022113].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/246055
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