Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 70: Quanteninformation: Konzepte und Methoden 6

Q 70.1: Vortrag

Freitag, 16. März 2012, 14:00–14:15, V7.03

Quantum Optimal Control in Action. I: Overview — •Thomas Schulte-Herbrüggen1, Shai Machnes2, and Ville Bergholm11TU-Munich, Dept. Chem. — 2University of Ulm, Inst. Theor. Phys.

For implementing high-precision quantum simulation and quantum computation in given experimental set-ups, optimal control tools are establishing themselves as indispensable.

Starting from practical examples of control problems (as in superconducting solid-state devices, cavity qed), we elucidate the unified framework of bilinear control systems underlying the matlab-based quantum optimal-control platform dynamo [1]. It provides optimised steerings to all the typical control problems such as state transfer and synthesis of unitary gates or of quantum maps [2] in closed and open Markovian or non-Markovian systems.

We sketch a plethora of applications reaching from Josephson elements, spins in quantum dots to ion traps etc. Finally, we point out features of state-of-the-art algorithms implemented [1].

[1] S. Machnes et al., Phys. Rev. A 84 (2011) 022305

[2] T. Schulte-Herbrüggen et al., J. Phys. B 44 (2011) 154013 [doi:10.1088/0953-4075/44/15/154013]

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