Quantum logic gate with microtraps

被引:5
作者
Andersson, E [1 ]
Stenholm, S [1 ]
机构
[1] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden
关键词
quantum information; quantum computation; neutral-atom microtraps;
D O I
10.1016/S0030-4018(00)01161-5
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Recent cooling and trapping techniques for atoms allows the fabrication of genuinely microscopic quantum wires and dots for individual particles. We discuss the physical features of a structure which can implement the controlled-not operation in quantum logic. This consists of a network of tube-like microtraps and a laser that acts as a clock pulse. Our work discusses the influence of potential geometry, particle-particle interactions and quantum statistics. The physical features are illustrated by wave packet simulations. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码:141 / 148
页数:8
相关论文
共 34 条
[11]   SURFACE-PLASMON MIRROR FOR ATOMS [J].
ESSLINGER, T ;
WEIDEMULLER, M ;
HEMMERICH, A ;
HANSCH, TW .
OPTICS LETTERS, 1993, 18 (06) :450-452
[12]   SOLUTION OF THE SCHRODINGER-EQUATION BY A SPECTRAL METHOD [J].
FEIT, MD ;
FLECK, JA ;
STEIGER, A .
JOURNAL OF COMPUTATIONAL PHYSICS, 1982, 47 (03) :412-433
[13]   TIME-DEPENDENT PROPAGATION OF HIGH-ENERGY LASER-BEAMS THROUGH ATMOSPHERE [J].
FLECK, JA ;
MORRIS, JR ;
FEIT, MD .
APPLIED PHYSICS, 1976, 10 (02) :129-160
[14]   Controlling cold atoms using nanofabricated surfaces:: Atom chips [J].
Folman, R ;
Krüger, P ;
Cassettari, D ;
Hessmo, B ;
Maier, T ;
Schmiedmayer, J .
PHYSICAL REVIEW LETTERS, 2000, 84 (20) :4749-4752
[15]   Atom optics with magnetic surfaces .1. Storage of cold atoms in a curved 'floppy disk' [J].
Hughes, IG ;
Barton, PA ;
Roach, TM ;
Boshier, MG ;
Hinds, EA .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1997, 30 (03) :647-658
[16]   Laser spectroscopy of atoms guided by evanescent waves in micron-sized hollow optical fibers [J].
Ito, H ;
Nakata, T ;
Sakaki, K ;
Ohtsu, M ;
Lee, KI ;
Jhe, W .
PHYSICAL REVIEW LETTERS, 1996, 76 (24) :4500-4503
[18]   COHERENT ATOMIC WAVE-GUIDES FROM HOLLOW OPTICAL FIBERS - QUANTIZED ATOMIC MOTION [J].
MARKSTEINER, S ;
SAVAGE, CM ;
ZOLLER, P ;
ROLSTON, SL .
PHYSICAL REVIEW A, 1994, 50 (03) :2680-2690
[19]   Dense coding in experimental quantum communication [J].
Mattle, K ;
Weinfurter, H ;
Kwiat, PG ;
Zeilinger, A .
PHYSICAL REVIEW LETTERS, 1996, 76 (25) :4656-4659
[20]   LASER GUIDING OF ATOMS IN A HOLLOW OPTICAL FIBER [J].
OLSHANII, MA ;
OVCHINNIKOV, YB ;
LETOKHOV, VS .
OPTICS COMMUNICATIONS, 1993, 98 (1-3) :77-79