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International Workshop on Quantum Information Processing
 
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QIP 2010 at

ETH Life

The daily web-journal of ETH Zurich:

"Lifting the big veil"

"Nach dem grossen Schleier lüften"

18.01.2010

QIP 2010 at the

Swiss Radio DRS

Echo der Zeit

from Monday Jan 18, 2010

in German, Link >>

(Real Player recommended)

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pdf files of
Programme Booklet >>
and
Abstracts of all Talks >>

You will receive a hard copy of these files at the registration desk.

Sponsors

Pauli Center for Theoretical Studies

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The Swiss National Science Foundation

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ETH Zurich (Computer Science and Physics Department)

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Quantum Science and Technology

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CQT Singapore

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QAP European Project

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Sandia National Laboratories

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Institute for Quantum Computing

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id Quantique

3rdideequantique

Adiabatic gate teleportation

Steve Flammia, Perimeter Institute
joint work with Dave Bacon

The difficulty in producing precisely timed and controlled quantum gates is a significant source of error in many physical implementations of quantum computers.  Here we introduce a simple universal primitive, adiabatic gate teleportation, which is robust to timing errors and many control errors and maintains a constant energy gap throughout the computation above a degenerate ground state space.  Notably this construction allows for geometric robustness based upon the control of two independent qubit interactions. Further, our piecewise adiabatic evolution easily relates to the quantum circuit model, enabling the use of standard methods from fault-tolerance theory for establishing thresholds. The method also allows for a detailed analysis of adiabatic braiding of topological quasiparticles as well as a new hybrid model of quantum computing that uses aspects of the adiabatic and measurement-based models. A more detailed presentation of the main results concerning adiabatic gate teleportation can be found in D. Bacon and S. T. Flammia, Phys. Rev. Lett. 103, 120504 (2009).

 

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