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Photon and Elementary Particles Theory
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作者 Xiangyao Wu Benshan Wu +9 位作者 Siqi Zhang Xiaojing Liu Yiheng Wu Jiping Liu Xiaoru Zhang Han Liu Ji Ma Hong Li Li Xiao yuntuan fang 《Journal of Modern Physics》 2017年第11期1850-1867,共18页
At present, the research of single-photon is a hot topic, it has been widely applied in quantum measurement, quantum entanglement and quantum information. In this paper, we have proposed a new single photon theory, wh... At present, the research of single-photon is a hot topic, it has been widely applied in quantum measurement, quantum entanglement and quantum information. In this paper, we have proposed a new single photon theory, which is the vector potential A rotation at the vertical motion direction of photon, it can produce the microscopic electric field and magnetic field, and they satisfy the Maxwell equations. We have calculated photon spin, momentum, energy, and found there are left-handed and right-handed photon. In addition, we study the multi-photon theory and the dynamics theory between photons interaction. On this basis, we have further given the compound structures of electron, proton, neutron, neutrino, π meson, dark matter with the photon structural theory, and calculated their mass, charge and spin. 展开更多
关键词 PHOTON Vector-Potential ROTATION ELEMENTARY Particles DARK MATTER
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Sub-Nanometer Displacement Sensor Based on Coupling of Balanced Loss and Gain Cavities
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作者 yuntuan fang Xiaoxue LI 《Photonic Sensors》 SCIE EI CAS CSCD 2019年第3期259-267,共9页
Sub-nanometer displacement measurement is still a challenge in the current sensor field. In this study, a new type of displacement sensor is designed which is based on the coupling effect of two balanced gain and loss... Sub-nanometer displacement measurement is still a challenge in the current sensor field. In this study, a new type of displacement sensor is designed which is based on the coupling effect of two balanced gain and loss resonators. The optical properties of the sensor have been studied through the coupled mode theory and scatter matrix. The pole effect in the coupling system can be used to measure the subanometer displacement. The resolution of the sensor can reach 0.001 nm over a dynamic range of 20 nm. The sensor has the highest sensitivity within the range of one nanometer.The environmental disturbance and structure parameter perturbation have been demonstrated to make trivial effect on the sensor performance. 展开更多
关键词 DISPLACEMENT sensor PT-SYMMETRY POLE
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