Atomic GHZ States Prepared in Two Directly Coupled Cavities with Virtual Excitations in One Step

A scheme for one-step preparation of atomic GHZ states in two directly coupled cavities via virtual excitations is proposed. In the whole procedure, the information is carried only in two ground states of A-type atoms, while the excited states of atoms and cavity modes are virtually excited, leading...

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Published inCommunications in theoretical physics Vol. 56; no. 10; pp. 655 - 658
Main Author 杨榕灿 黄志平 郭强 张鹏飞 钟纯勇 张天才
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.10.2011
Subjects
Excitation
GHZ态
Ground state
Holes
Photons
Spontaneous emission
Theoretical physics
制备
原子基态
原子自发辐射
激发态
耦合腔
耦合谐振器
虚拟激励
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ISSN0253-6102
DOI10.1088/0253-6102/56/4/10

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Summary:A scheme for one-step preparation of atomic GHZ states in two directly coupled cavities via virtual excitations is proposed. In the whole procedure, the information is carried only in two ground states of A-type atoms, while the excited states of atoms and cavity modes are virtually excited, leading the system to be insensitive to atomic spontaneous emission and photon loss.
Bibliography:A scheme for one-step preparation of atomic GHZ states in two directly coupled cavities via virtual excitations is proposed. In the whole procedure, the information is carried only in two ground states of A-type atoms, while the excited states of atoms and cavity modes are virtually excited, leading the system to be insensitive to atomic spontaneous emission and photon loss.
11-2592/O3
GHZ states, virtual excitations, coupled cavities
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0253-6102
DOI:10.1088/0253-6102/56/4/10