Dresden 2011 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 39: Quantum Control

Q 39.7: Vortrag

Mittwoch, 16. März 2011, 18:00–18:15, TOE 317

Prospects of Incoherent Control by Continuous Measurements — •Felix Platzer and Klaus Hornberger — Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Straße 38, 01187 Dresden, Germany

In contrast to state-selective coherent control, which proves to be fragile when applied to large quantum systems such as poly-atomic molecules, incoherent dynamics induced by continuous measurements can provide a more robust means of steering quantum dynamics towards desired target states. Here, we demonstrate the potential use of non-selective measurements of position or, more generally, of configurational degrees of freedom of molecules, for the optimization of transition probabilities. Numerical simulations of wave packet dynamics in the presence of optimized position measurements are presented and their analytical description in terms of the corresponding master equation undertaken.