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13 papers · 2 filters
Noise induced interference fringes in trapped ultracold bosonic gases
S. Anderloni, F. Benatti, R. Floreanini +1
We study the dynamics of ultracold atoms trapped in optical double-well potentials in presence of noise generated by an external environment. When prepared in a Fock number state,…
Determination of the noise parameters in a one-dimensional open quantum system
Alexandra M. Liguori, Giovanni Moras
We consider an electron magnetically interacting with a spin-1/2 impurity, embedded in an external environment whose noisy term acts only on the impurity's spin, and we find expres…
On the long time behavior of Hilbert space diffusion
Angelo Bassi, Detlef Duerr
Stochastic differential equations in Hilbert space as random nonlinear modified Schroedinger equations have achieved great attention in recent years; of particular interest is the…
Quantum measuring processes for trapped ultracold bosonic gases
S. Anderloni, F. Benatti, R. Floreanini +1
The standard experimental techniques usually adopted in the study of the behaviour of ultracold atoms in optical lattices involve extracting the atom density profile from absorptio…
On the long time behavior of stochastic Schroedinger evolutions
Angelo Bassi, Detlef Duerr, Martin Kolb
We discuss the time evolution of the wave function which is solution of a stochastic Schroedinger equation describing the dynamics of a free quantum particle subject to spontaneous…
Reconsidering Mermin's "In praise of measurement"
GianCarlo Ghirardi
We critically analyze a recent paper by D. Mermin and we compare his statements with Bell's position on the problems he is discussing.