A quantum system in interaction with a repeatedly measured one undergoes a nonunitary time evolution and is pushed into a subspace substantially determined by the two-system coupling. The possibility of suitably modifying such an evolution through quantum Zeno dynamics (i.e., the generalized quantum Zeno effect) addressing the system toward an a priori decided target subspace is illustrated. Applications and their possible realizations in the context of trapped ions are also discussed.
MILITELLO B, NAKAZATO H, MESSINA A (2005). Steering Distillation Processes through Zeno dynamics. PHYSICAL REVIEW A, 71(3), 032102-1-032102-7 [10.1103/PhysRevA.71.032102].
Steering Distillation Processes through Zeno dynamics
MILITELLO, Benedetto;MESSINA, Antonino
2005-01-01
Abstract
A quantum system in interaction with a repeatedly measured one undergoes a nonunitary time evolution and is pushed into a subspace substantially determined by the two-system coupling. The possibility of suitably modifying such an evolution through quantum Zeno dynamics (i.e., the generalized quantum Zeno effect) addressing the system toward an a priori decided target subspace is illustrated. Applications and their possible realizations in the context of trapped ions are also discussed.
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