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4 papers · 2 filters
Manipulating decay rates by entanglement and the Zeno effect
A. F. R. de Toledo Piza, M. C. Nemes
We analyse a class of quantum dynamical processes which may lead to the hindering of the decay of a non-stationary state through appropriate entanglement with an additional two-lev…
Interfering with decay of a single photon in microwave cavities through single photon quantum non-demolition scheme
J. G. Peixoto de Faria, P. Nussenzveig, A. F. R. de Toledo Piza +1
The decay of a single photon in a microwave cavity is shown to be retarded by interaction with a resonant two-level atom in the experimental setup recently developed by Nogues and…
Image and Coherence Transfer in the Stimulated Down-conversion Process
P. H. Souto Ribeiro, S. Padua, C. H. Monken
The intensity transverse profile of the light produced in the process of stimulated down-conversion is derived. A quantum-mechanical treatment is used. We show that the angular spe…
Quantum Erasure by Transverse Indistinguishability
P. H. Souto Ribeiro, S. Padua, C. H. Monken
We show that the first experiment with double-slits and twin photons detected in coincidence can be understood as a quantum eraser. The ``which path'' information is erased by tran…