| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Nonclassicality of photon-modulated spin coherent states in the Holstein—Primakoff realization |
| Xiaoyan Zhang(张晓燕)1, Jisuo Wang(王继锁)1,†, Lei Wang(王磊)1,3, Xiangguo Meng(孟祥国)2,‡, and Baolong Liang(梁宝龙)2 |
1 Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China;
2 Shandong Provincial Key Laboratory of Optical Communication Science and Technology, School of Physical Science and Information Engineering, Liaocheng University, Liaocheng 252059, China;
3 School of Physics and Electronic Engineering, Heze University, Heze 274015, China |
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Abstract Two new photon-modulated spin coherent states (SCSs) are introduced by operating the spin ladder operators J± on the ordinary SCS in the Holstein-Primakoff realization and the nonclassicality is exhibited via their photon number distribution, second-order correlation function, photocount distribution and negativity of Wigner distribution. Analytical results show that the photocount distribution is a Bernoulli distribution and the Wigner functions are only associated with two-variable Hermite polynomials. Compared with the ordinary SCS, the photon-modulated SCSs exhibit more stronger nonclassicality in certain regions of the photon modulated number k and spin number j, which means that the nonclassicality can be enhanced by selecting suitable parameters.
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Received: 17 October 2021
Revised: 25 November 2021
Accepted manuscript online:
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PACS:
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42.50.-p
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(Quantum optics)
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03.65.-w
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(Quantum mechanics)
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| Fund: This work was supported by the National Natural Science Foundation of China (Grant No.11347026) and the Natural Science Foundation of Shandong Province,China (Grant Nos.ZR2020MA085 and ZR2020MF113). |
Corresponding Authors:
Jisuo Wang,E-mail:jswang@qfnu.edu.cn;Xiangguo Meng,E-mail:mengxiangguo1978@sina.com
E-mail: jswang@qfnu.edu.cn;mengxiangguo1978@sina.com
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| About author: 2021-12-8 |
Cite this article:
Xiaoyan Zhang(张晓燕), Jisuo Wang(王继锁), Lei Wang(王磊),Xiangguo Meng(孟祥国), and Baolong Liang(梁宝龙) Nonclassicality of photon-modulated spin coherent states in the Holstein—Primakoff realization 2022 Chin. Phys. B 31 054205
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