The University of Southampton
University of Southampton Institutional Repository

Algorithmic cooling in a momentum state quantum computer

Algorithmic cooling in a momentum state quantum computer
Algorithmic cooling in a momentum state quantum computer
We describe a quantum computer based upon the coherent manipulation of two-level atoms between discrete one-dimensional momentum states. Combinations of short laser pulses with kinetic energy dependent free phase evolution can perform the logical invert, exchange, controlled-NOT, and Hadamard operations on any qubits in the binary representation of the momentum state, as well as conditional phase inversion. These allow a binary right rotation, which halves the momentum distribution in a single coherent process. Fields for the coherent control of atomic momenta may thus be designed as quantum algorithms.
0031-9007
037904-[4pp]
Freegarde, Tim
01a5f53b-d406-44fb-a166-d8da9128ea7d
Segal, Danny
7eae184b-92b2-49f5-a189-99236eb31eb7
Freegarde, Tim
01a5f53b-d406-44fb-a166-d8da9128ea7d
Segal, Danny
7eae184b-92b2-49f5-a189-99236eb31eb7

Freegarde, Tim and Segal, Danny (2003) Algorithmic cooling in a momentum state quantum computer. Physical Review Letters, 91 (3), 037904-[4pp]. (doi:10.1103/PhysRevLett.91.037904).

Record type: Article

Abstract

We describe a quantum computer based upon the coherent manipulation of two-level atoms between discrete one-dimensional momentum states. Combinations of short laser pulses with kinetic energy dependent free phase evolution can perform the logical invert, exchange, controlled-NOT, and Hadamard operations on any qubits in the binary representation of the momentum state, as well as conditional phase inversion. These allow a binary right rotation, which halves the momentum distribution in a single coherent process. Fields for the coherent control of atomic momenta may thus be designed as quantum algorithms.

This record has no associated files available for download.

More information

Submitted date: 14 October 2002
Published date: 2003
Organisations: Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 14730
URI: http://eprints.soton.ac.uk/id/eprint/14730
ISSN: 0031-9007
PURE UUID: fd2d19fb-6b40-4cfb-9159-f7b772d63a99
ORCID for Tim Freegarde: ORCID iD orcid.org/0000-0002-0680-1330

Catalogue record

Date deposited: 25 Feb 2005
Last modified: 16 Mar 2024 03:35

Export record

Altmetrics

Contributors

Author: Tim Freegarde ORCID iD
Author: Danny Segal

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×