All Things Distributed: Using 3 Qubits instead of 2: "There have been reports about some interesting quantum computing progress by researchers from UCL and Oxford. Simon Benjamin and Sougato Boise have proposed a radically different quantum computer design that no longer requires on-off interactions between the qubits storing the states. Instead of relying on metal electrodes to control the interaction between two qubits sharing superposition, the new design uses a third qubit that is attuned to a different energy frequency. The middle electron responds differently to energy frequencies than does its neighbors on both sides, and the device would be able to complete all necessary logic functions necessary for quantum computing. "

QIP 2004 - the 7th workshop on Quantum Information Processing | Institute for Quantum Computing

To be held in Waterloo, Canada; hosted by the Perimeter Institute for Theoretical Physics and the Institute for Quantum Computing.


January 15 - 19, 2004

Quantum information processing is the recasting of computer science in a quantum mechanical framework. It tries to improve on classical computers and classical complexity bounds by making use of quantum mechanical phenomena. After Peter Shor's 1994 discovery of efficient quantum algorithms for factoring and the discrete log (threatening current "classical" cryptography), the field has grown explosively and is now one of the most active subfields of both computer science and physics. QIP 2004 is the seventh workshop on quantum computing, quantum cryptography, and quantum information theory in the tradition of AQIP 98 in Aarhus, AQIP 99 in Chicago, QIP 2000 in Montreal, QIP 2001 at the CWI in Amsterdam, QIP 2002 at IBM in Yorktown Heights, and QIP 2003 at MSRI, Berkeley. The conference will run from Thursday 15 January until Monday 19 January. It will consist of various invited talks, a display of posters, and an open session.

Co-chairs: Michele Mosca (IQC & PI), Daniel Gottesman (PI) and Ashwin Nayak (IQC & PI).

Steering Committee: Dorit Aharonov, Charles Bennett, Harry Buhrman, Isaac Chuang, David DiVincenzo, Miklos Santha, Umesh Vazirani, John Watrous.

New Journal of Physics special issue on Quantum Cryptography

NJP is completely free to read and you may access all contributions to
this issue on the Web.

Focus on Quantum Cryptography Contents

Quantum key distribution over 67 km with a plug&play system
D Stucki, N Gisin, O Guinnard, G Ribordy and H Zbinden

Autocompensating quantum cryptography
Donald S Bethune and William P Risk

Practical free-space quantum key distribution over 10 km in daylight and at night
Richard J Hughes, Jane E Nordholt, Derek Derkacs and Charles G Peterson

Quantum key distribution with realistic states: photon-number statistics in the photon-number splitting attack
Norbert Lütkenhaus and Mika Jahma

Entangled-photon six-state quantum cryptography
Daphna G Enzer, Phillip G Hadley, Richard J Hughes, Charles G Peterson and Paul G Kwiat

Building the quantum network
Chip Elliott

Architectures for long-distance quantum teleportation
Jeffrey H Shapiro

Ground to satellite secure key exchange using quantum cryptography
J G Rarity, P R Tapster, P M Gorman and P Knight

Method for decoupling error correction from privacy amplification
Hoi-Kwong Lo

POST-DOC IN QUANTUM COMPUTING

The Laboratory for Research in Computer Science (LRI) affiliated with
the CNRS and the Universite Paris-Sud at Orsay, France offers one,
possibly two



One-year post-doc positions in quantum computation.



Starting date is September 2003 (negotiable). The post-doc is funded
by the European Union's Fifth Framework project RESQ (Resources for Quantum
Information).

The successful candidate will join the quantum group
(http://www.lri.fr/quantum/) which is part of
the Algorithms and Complexity team of the LRI (http://www.lri.fr/algo).
The members of the group are Christophe Durr, Julia Kempe
Sophie Laplante, Frederic Magniez, Miklos Santha and Jean-Pierre
Tillich.

The main research interests of the group are quantum algorithms and
complexity.

Applications should be sent by March 25, 2003. Later applications will
also be accepted until the positions are filled. Please send
the following application material to Miklos.Santha@lri.fr:

- CV, including a list of publications

- statement of interest

- 2 or 3 recent publications

- Contact information for 3 references

For more information please email Miklos.Santha@lri.fr.

Count all the legs, divide by four

Here's a well-informed, accessible article on recent developments in quantum computing (namely, the Innsbruck experiment implementing the Deutsch-Josza algorithm). The author, Chris Wenham, wasn't able to sell it to a commercial publication, perhaps because it was too informative?