The quantum Zeno effect is often studied and understood in term of nonunitary evolutions, involving projections a la von Neumann (measurements). We propose a dynamical explanation of this effect, which involves only unitary operators. The limits of infinitely frequent measurements is critically discussed: it is unphysical, yet interesting and peculiar.
Dynamical origin of the quantum Zeno effect
PASCAZIO, Saverio
1997-01-01
Abstract
The quantum Zeno effect is often studied and understood in term of nonunitary evolutions, involving projections a la von Neumann (measurements). We propose a dynamical explanation of this effect, which involves only unitary operators. The limits of infinitely frequent measurements is critically discussed: it is unphysical, yet interesting and peculiar.File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
