A profound consequence of the quantum Zeno effect is the partitioning of the total Hilbert space into quantum Zeno subspaces, among which any transition is hindered. Such a phenomenon can be due to frequent nonselective measurements, frequent unitary kicks or strong continuous coupling. Its practical relevance for halting decoherence is discussed and the problem of timescales is considered.
QUANTUM ZENO SUBSPACES AND DYNAMICAL SUPERSELECTION RULES
FACCHI, PAOLO;PASCAZIO, Saverio
2003-01-01
Abstract
A profound consequence of the quantum Zeno effect is the partitioning of the total Hilbert space into quantum Zeno subspaces, among which any transition is hindered. Such a phenomenon can be due to frequent nonselective measurements, frequent unitary kicks or strong continuous coupling. Its practical relevance for halting decoherence is discussed and the problem of timescales is considered.File in questo prodotto:
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