Search Results - "Vacchini, B"

Communication: Universal Markovian reduction of Brownian particle dynamics by Martinazzo, R, Vacchini, B, Hughes, K H, Burghardt, I

“…Non-Markovian processes can often be turned Markovian by enlarging the set of variables. Here we show, by an explicit construction, how this can be done for…”
Get more information

Critical assessment of two-qubit post-Markovian master equations by Campbell, S., Smirne, A., Mazzola, L., Lo Gullo, N., Vacchini, B., Busch, Th, Paternostro, M.

“…A post-Markovian master equation has been recently proposed as a tool to describe the evolution of a system coupled to a memory-keeping environment [A. Shabani…”
Get full text

Signatures of non-Markovianity in classical single-time probability distributions by Smirne, A, Stabile, A, Vacchini, B

“…We show that the Kolmogorov distance allows to quantify memory effects in classical stochastic processes by studying the evolution of the single-time…”
Get full text

Master-Equations for the Study of Decoherence by Vacchini, B.

“…Different structures of master-equation used for the description of decoherence of a microsystem interacting through collisions with a surrounding environment…”
Get full text

Role of correlations in the thermalization of quantum systems by Smirne, A, Laine, E-M, Breuer, H-P, Piilo, J, Vacchini, B

“…We investigate the equilibration and thermalization properties of quantum systems interacting with a finite-dimensional environment. By exploiting the concept…”
Get full text

Quantum and classical features in the explanation of collisional decoherence by Vacchini, B.

“…A simple theoretical argument is given in order to explain the quantitative estimate of the effect of collisional decoherence in matter-wave interferometry…”
Get full text

Relaxation dynamics of a quantum Brownian particle in an ideal gas by Vacchini, B., Hornberger, K.

“…We show how the quantum analog of the Fokker-Planck equation for describing Brownian motion can be obtained as the diffusive limit of the quantum linear…”
Get full text

Dissipative Systems and Objective Description: Quantum Brownian Motion as an Example by Vacchini, B.

Get full text

Kinetic description of quantum Brownian motion by Vacchini, B., Petruccione, F.

“… We stress the relevance of the two features of translational invariance and atomic nature of the gas in the quantum description of the motion of a massive…”
Get full text

Testing decoherence in interference experiments with macromolecules: The theoretical background by Vacchini, B., Viale, A., Vicari, M., Zanghì, N.

Get full text

Completely positive quantum dissipation by Vacchini, B

“…A completely positive master equation describing quantum dissipation for a Brownian particle is derived starting from microphysical collisions, exploiting a…”
Get full text

Theory of decoherence due to scattering events and Lévy processes by VACCHINI, Bassano

“…A general connection between the characteristic function of a Lévy process and loss of coherence of the statistical operator describing the center of mass…”
Get full text

Physics of a microsystem starting from nonequilibrium quantum statistical mechanics by Lanz, L., Melsheimer, O., Vacchini, B.

“…In this paper we address the problem to give a concrete support to the idea, originally stemming from Niels Bohr, that quantum mechanics must be rooted inside…”
Get full text

Dynamical semigroup description of coherent and incoherent particle—Matter interaction by Lanz, L., Vacchini, B.

Get full text

Description of isolated macroscopic systems inside quantum mechanics by Lanz, L., Melsheimer, O., Vacchini, B.

“…For an isolated macrosystem classical state parameters ζ( t) are introduced inside a quantum mechanical treatment. By a suitable mathematical representation of…”
Get full text

Interaction-induced correlations and non-Markovianity of quantum dynamics by Smirne, A., Mazzola, L., Paternostro, M., Vacchini, B.

Get full text

Comment on “Completely Positive Quantum Dissipation” by O'Connell, R. F.

“…A Comment on the Letter by Bassano Vacchini, Phys.Rev.Lett.84, 1374 (2000). The authors of the Letter offer a Reply…”
Get full text

Test particle in a quantum gas by Vacchini, B

“…A master equation with a Lindblad structure is derived, which describes the interaction of a test particle with a macroscopic system and is expressed in terms…”
Get full text

Testing decoherence in interference experiments with macromolecules: the theoretical background by ZanghÌ, N., Vacchini, B., Viale, A., Vicari, M.

Get full text

Non-Abelian linear Boltzmann equation and quantum correction to Kramers and Smoluchowski equation by Vacchini, Bassano

“…A quantum linear Boltzmann equation, constructed in terms of the operator-valued dynamic structure factor of the macroscopic system the test particle is…”
Get full text