Interaction-free evolution in the presence of time-dependent Hamiltonians

21 Apr 2015  ·  Chruściński Dariusz, Messina Antonino, Militello Benedetto, Napoli Anna ·

The generalization of the concept of interaction-free evolutions (IFE) [A. Napoli, {\it et al.}, Phys. Rev... A {\bf 89}, 062104 (2014)] to the case of time-dependent Hamiltonians is discussed. It turns out that the time-dependent case allows for much more rich structures of interaction-free states and interaction-free subspaces. The general condition for the occurrence of IFE is found and exploited to analyze specific situations. Several examples are presented, each one associated to a class of Hamiltonians with specific features. read more

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Quantum Physics