3 papers
quant-ph1996
From quantum trajectories to classical orbits
T. A. Brun, N. Gisin, P. F. O'Mahony +1
Recently it has been shown that the evolution of open quantum systems may be ``unraveled'' into individual ``trajectories,'' providing powerful numerical and conceptual tools. In t…
quant-ph1996
Decoherence of Hydrodynamic Histories: A Simple Spin Model
T. A. Brun, J. J. Halliwell
In the context of the decoherent histories approach to the quantum mechanics of closed systems, Gell-Mann and Hartle have argued that the variables typically characterizing the qua…
quant-ph1995
Quantum State Diffusion and Time Correlation Functions
Todd A. Brun, Nicolas Gisin
In computing the spectra of quantum mechanical systems one encounters the Fourier transforms of time correlation functions, as given by the quantum regression theorem for systems d…