Fluctuations in particle number for a photon gas

Leff Harvey S.

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Fluctuations in particle number for a photon gas

机译：光子气体的粒子数波动

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The fluctuation-compressibility theorem of statistical mechanics states that fluctuations in particle number are proportional to the isothermal compressibility. Given that the compressibility of a photon gas does not exist, this seems to suggest that fluctuations in photon number similarly do not exist. However, it is shown here that the fluctuation-compressibility theorem does not hold for photons and, in fact, that fluctuations do exist. (C) 2015 American Association of Physics Teachers.

机译：统计力学的波动-压缩定理指出，粒子数的波动与等温压缩性成正比。考虑到不存在光子气体的可压缩性，这似乎表明类似地不存在光子数的波动。但是，这里表明，波动压缩定理不适用于光子，实际上，波动确实存在。（C）2015年美国物理教师协会。

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《American journal of physics》 |2015年第4期|共4页
作者
Leff Harvey S.;
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专利

1. Fluctuations in particle number for a photon gas [J] . Leff Harvey S. American journal of physics . 2015,第4期

机译：光子气体的粒子数波动
2. Super-Poissonian Fluctuations of Number of Photons in the Radiation of a Single-Mode Laser Operating Near Active Particles Number Threshold [J] . A. V. Kozlovskii Optics and Spectroscopy . 2014,第1期

机译：在接近活动粒子数阈值的单模激光的辐射中，光子数的超泊松涨落
3. STAR's measurement of correlations and fluctuations between photons and charged particles at forward rapidities at RHIC [J] . Dogra SM Journal of Physics, G. Nuclear and Particle Physics: An Institute of Physics Journal . 2008,第10期

机译：STAR在RHIC处以正向速度测量光子与带电粒子之间的相关性和涨落
4. On particle number fluctuations in an interacting pion gas with dynamically fixed number of particles [C] . D N Voskresensky, E E Kolomeitsev International Conference on Laser and Plasma Researches and Technologies . 2017

机译：用动态固定数量的粒子相互作用的沟槽中的粒子数波动
5. Investigation of Mean Volume Fraction Fluctuations on the Mean Drag Force Acting on Spherical Particle Assemblies [D] . Vogts, Jacob. 2018

机译：对球形粒子组件作用作用的平均阻力的平均体积分数波动研究
6. Scanning two-photon fluctuation correlation spectroscopy: particle counting measurements for detection of molecular aggregation. [O] . K M Berland, P T So, Y Chen, 1996

机译：扫描两光子涨落相关光谱法：用于检测分子聚集的颗粒计数测量。
7. Scanning two-photon fluctuation correlation spectroscopy: particle counting measurements for detection of molecular aggregation. [O] . Berland, K M, So, P T, Chen, Y, 1996

机译：扫描两光子涨落相关光谱法：用于检测分子聚集的颗粒计数测量。
8. Dissipative and fluctuating hydrodynamic interactions between suspended solid particles via lattice-gas cellular automata [R] . Ladd, AJC 1991

机译：悬浮固体颗粒之间通过晶格 - 气体细胞自动机的耗散和波动的流体动力学相互作用

Fluctuations in particle number for a photon gas

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