Dresden 2011 – wissenschaftliches Programm

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SYHQ: Intersectional Symposium Hybrid Quantum Systems - Interfacing Atoms, Solids and Light

SYHQ 1: Hybrid Quantum Systems -- Interfacing Atoms, Solids and Light

SYHQ 1.1: Hauptvortrag

Donnerstag, 17. März 2011, 10:30–11:00, HSZ 01

Circuit Quantum Electrodynamics with Electrons on Helium — •David Schuster — University of Chicago, Chicago, USA

One of the first systems proposed as the basis of a quantum computer[1], electrons on helium has the highest known electron mobility[2] and extremely long predicted spin coherence[3]. Further it is already experimentally possible to manipulate thousands of floating electrons in parallel using CCD's much like those used in digital cameras[4], yet the coherence of individual electrons has thus far eluded measurement. I will present a new circuit quantum electrodynamics inspired technique for both detecting the quantum state of the electron's spin and motion as well performing gates between electrons[5]. This approach seeks to make an "end-run" around the scaling problem for quantum computing and as well as open a new window onto the spin physics of this unique two dimensional electron gas. [1] Platzman, et. al. Science 284, 1967 (1999) [2] Shirahama, K. JLTP 101, 439-444 (1995) [3] Lyon, S. PRA 74, (2006) [4] Sabouret, G. APL 88, 254105 (2006) [5] Schuster, D.I., et. al. PRL 105, 040503 (2010)