6533b7defe1ef96bd127687b
RESEARCH PRODUCT
Analog Grover search by adiabatic passage in a cavity-laser-atom system
Stéphane GuérinDavid Daemssubject
PhysicsQuantum opticsQuantum Physics[ PHYS.QPHY ] Physics [physics]/Quantum Physics [quant-ph]FOS: Physical sciencesOne-way quantum computerLaserAdiabatic quantum computation01 natural sciencesAtomic and Molecular Physics and Optics010305 fluids & plasmaslaw.inventionPulse (physics)[PHYS.QPHY]Physics [physics]/Quantum Physics [quant-ph]lawQuantum mechanics0103 physical sciencesAtom010306 general physicsAdiabatic processQuantum Physics (quant-ph)[PHYS.QPHY] Physics [physics]/Quantum Physics [quant-ph]ComputingMilieux_MISCELLANEOUSQuantum computerdescription
A physical implementation of the adiabatic Grover search is theoretically investigated in a system of N identical three-level atoms trapped in a single mode cavity. Some of the atoms are marked through the presence of an energy gap between their two ground states. The search is controlled by two partially delayed lasers which allow a deterministic adiabatic transfer from an initially entangled state to the marked states. Pulse schemes are proposed to satisfy the Grover speedup either exactly or approximately, and the success rate of the search is calculated.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2008-01-01 |