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4 papers · 1 filter
Two-particle Kapitza-Dirac diffraction
Pedro Sancho
We extend the study of Kapitza-Dirac diffraction to the case of two-particle systems. Due to the exchange effects the shape and visibility of the two-particle detection patterns sh…
Identical two-particle interferometry in diffraction gratings
Pedro Sancho
We study diffraction and interference of indistinguishable particles. We consider some examples where the wavefunctions and detection probabilities can be evaluated in an analytica…
Entanglement of unstable atoms: modifications of the emission properties
Pedro Sancho, Luis Plaja
We analyse the influence of entanglement on the emission properties of atoms. To this end, first, we propose a scheme for the preparation of a pair of entangled Helium atoms, one i…
Metastable superpositions of ortho- and para-Helium states
Pedro Sancho, Luis Plaja
We analyze superpositions of ortho- and para-Helium states, considering the possible existence of stationary and metastable states in the system. In particular, the metastable supe…