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It is found that when ■R(a)Nj =■R(b)Nj or ■R(a)Nj =■R(b)Nj , while the quantization conditions are satisfied by the constructed state ?鬃 (ab)II 〉q with distinguishable two quantum states {-Z (a)*j }〉q and {-iZ (b)*j }〉q of the intensity of the corresponding mode(that is so-called average photon number), no matter how to change the cavity mode and the initial phases of the whole mode, the difference of the initial phases of states (θ(aR)nq -θ(bI)nq ) and the probability amplitude superposition of two states r(aR)nq (or r(bI)nq ), the light field state of the superimposition state ?鬃 (ab)II 〉q is always in the equal-order N-Y minimum uncertainty state and the equal-order N-H minimum uncertainty state. , authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=8hejIqrWaANdKqWflC89uA==, pdfFileSize=329564, 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科技导报
| 研究论文 2010, 28(16): 74-76
非对称两态叠加多模叠加态光场的一种最小测不准态
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张国前1,薛 红2,李 望2
作者信息
1. 宁夏师范学院物理与信息技术学院,宁夏固原 7560002. 渭南师范学院物理与电子工程系,陕西渭南 714000
通讯作者:
张国前
Minimum Uncertainty State of a Kind of Multi-mode Light Field State of Superimposition State
Affiliations
出版时间: 2010-08-28
文章导航
根据量子力学的线性叠加原理,构造了由多模复共轭相干态的相反态{-Z (a)*j }〉q与多模虚共轭相干态的相反态{-iZ (b)*j }〉q,两者线性叠加组成强度不等的非对称两态叠加多模叠加态光场?鬃 (ab)II 〉q。利用多模压缩态理论,对态?鬃 (ab)II 〉q的广义非线性高次压缩性质进行了详细分析。结果发现,若构成态?鬃 (ab)II 〉q的两个截然不同的量子光场态{-Z (a)*j }〉q和态{-iZ (b)*j }〉q中,各对应模的强度(或平均光子数)满足■R(a)Nj =■R(b)N j 或■R(a)Nj =■R(b)Nj ,并满足一定条件时,无论腔膜总数q、态间初始相位差(θ(aR)nq -θ(bI)nq ),以及两态叠加的概幅r(aR)nq 和r(bI)nq 等如何变化,态?鬃 (ab)II 〉q总可以恒处于等幂次N-Y最小测不准态或等幂次N-H最小测不准态,成为一种新的相干态。
多模叠加态光场
/
等幂次
/
N-Y最小测不准态
/
N-H最小测不准态
n this paper, according to the linear superposition principle in quantum mechanics, non-symmetry state superimposition state light fields ?鬃 (ab)II 〉q of different intensities are constructed with both the multi-mode complex conjugation coherent state of contrary state {-Z(a)*j }〉q and the multi-mode imaginary conjugation coherent state of contrary state {-iZ (b)*j }〉q, by utilizing the theory of multi-mode squeezed states, and the properties of the multi-mode superimposition state of differ-intensities of nonsymmetrical superimpositions state with distinguishable two quantum states are studied. It is found that when ■R(a)Nj =■R(b)Nj or ■R(a)Nj =■R(b)Nj , while the quantization conditions are satisfied by the constructed state ?鬃 (ab)II 〉q with distinguishable two quantum states {-Z (a)*j }〉q and {-iZ (b)*j }〉q of the intensity of the corresponding mode(that is so-called average photon number), no matter how to change the cavity mode and the initial phases of the whole mode, the difference of the initial phases of states (θ(aR)nq -θ(bI)nq ) and the probability amplitude superposition of two states r(aR)nq (or r(bI)nq ), the light field state of the superimposition state ?鬃 (ab)II 〉q is always in the equal-order N-Y minimum uncertainty state and the equal-order N-H minimum uncertainty state.
multi-mode light field state of superimpositions state
/
Equal-order
/
N-Y minimum uncertainty state
/
N-H minimum uncertainty state
张国前;薛 红;李 望.
非对称两态叠加多模叠加态光场的一种最小测不准态.
科技导报,
2010
, 28
(16)
: 74
-76
.
.
Minimum Uncertainty State of a Kind of Multi-mode Light Field State of Superimposition State[J].
Science & Technology Review ,
2010
, 28
(16)
: 74
-76
.
2010年第28卷第16期
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接收时间:2009-12-28
首发时间:2010-08-28
出版时间:2010-08-28
收稿日期:2009-12-28
修回日期:2010-05-18
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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