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5 papers · 2 filters
Effects of noise on quantum error correction algorithms
Adriano Barenco, Todd A. Brun, Ruediger Schack +1
It has recently been shown that there are efficient algorithms for quantum computers to solve certain problems, such as prime factorization, which are intractable to date on classi…
The Quantum state diffusion model and the driven damped nonlinear oscillator
M. Rigo, G. Alber, F. Mota-Furtado +1
We consider a driven damped anharmonic oscillator which classically leads to a bistable steady state and to hysteresis. The quantum counterpart for this system has an exact analyti…
From Quantum to Classical: the Quantum State Diffusion Model
Nicolas Gisin, Todd A. Brun, Marco Rigo
Quantum mechanics is nonlocal. Classical mechanics is local. Consequently classical mechanics can not explain all quantum phenomena. Conversely, it is cumbersome to use quantum mec…
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…
A C++ library using quantum trajectories to solve quantum master equations
Ruediger Schack, Todd A. Brun
Quantum trajectory methods can be used for a wide range of open quantum systems to solve the master equation by unraveling the density operator evolution into individual stochastic…