Scalable quantum field simulations of conditioned systems

Details Scalable quantum field simulations of conditioned systems Scalable quantum field simulations of conditioned systems

2009-01-28

arxiv.org/abs/0901.4391v3

Physics

Quantum Physics

5 pages, 2 figures

Scientific paper

10.1103/PhysRevA.80.013606

We demonstrate a technique for performing stochastic simulations of conditional master equations. The method is scalable for many quantum-field problems and therefore allows first-principles simulations of multimode bosonic fields undergoing continuous measurement, such as those controlled by measurement-based feedback. As examples, we demonstrate a 53-fold speed increase for the simulation of the feedback cooling of a single trapped particle, and the feedback cooling of a quantum field with 32 modes, which would be impractical using previous brute force methods.

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