Results 271 to 280 of about 165,715 (296)
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Statistical properties of many-particle spectra. II. Two-point correlations and fluctuations

Annals of Physics, 1978
Abstract The two-point correlation function for complex spectra described by the Gaussian Orthogonal Ensemble (GOE) is calculated, and its essential simplicity displayed, by an elementary procedure which derives from orthogonal invariance and the dominance of intrinsic binary correlations. The resultant function is used for an approximate calculation
J.B French, P.A Mello, A Pandey
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Complexity, Correlations and Fluctuations in Many-Particle Systems

1995
After 40 years of imaginative developments in many-body theory there seem to be new opportunities for insights based on recent research in chaos and an ill-defined subject often called complexity. We can mention that complexity is different from “complicated”.
openaire   +1 more source

Particle Size Analysis By Transmission Fluctuation Spectrometry With Temporal Correlation: Theory And Simulations On Particle Overlapping

AIP Conference Proceedings, 2007
Transmission fluctuation Spectrometry with temporal or spatial correlation is being developed as a new method of particle size analysis, in which the particle size distribution and particle concentration can be measured simultaneously. Based on the assumption of low particle concentrations, an analytical expression of the transmission fluctuation ...
Bin Yu, Jianqi Shen
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Fluctuation velocity correlation closure model for dense gas-particle turbulent flow

Journal of Shanghai Jiaotong University (Science), 2012
Turbulence model of kg-ɛg-kp-ɛp-kpg-θ is proposed. In the model, the two-phase velocity correlation turbulent kinetic energy kpg is modeled by transport equation. To close this turbulence model, algebraic expressions of two-phase Reynolds stresses and two-phase velocity correlation variable are established by considering both gas-particle interaction ...
Zhuo-xiong Zeng, Chao-jie Chen
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Velocity correlations of a thermally fluctuating Brownian particle: A novel model of the hydrodynamic coupling

Physics Letters A, 2006
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Measurements on Particle Size Distribution and Concentration by Transmission Fluctuation Spectrometry with Temporal Correlation

Particle & Particle Systems Characterization, 2008
AbstractTransmission fluctuation spectrometry with temporal correlation (TFS‐TC) is a new method for particle analysis. When a narrow light beam irradiates on a particle dispersion flow, the variation of the number of particles in the small measuring zone will cause the transmitted light to fluctuate, which includes the complete information on both ...
Bin Yu   +4 more
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Asymptotic decay of correlations for a fluctuating environment in interaction with a two-particle random walk

1996
The class of models that we consider here can be generally described as a finite number of random walks on the lattice \(\mathbb{Z}^\nu\), in dynamic interaction with a fluctuating field (environment) \(\{\xi_t(x): t\in \mathbb{Z}_+, x \in \mathbb{Z}^\nu\}\) which takes values in a finite set \(S : \xi_t(x) \in S\). Time is discrete: \(t \in Z_+\). The
C. BOLDRIGHINI   +2 more
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Bayesian approach to long-range correlations and multiplicity fluctuations in nucleus-nucleus collisions

Physical Review C, 2022
Kianusch Vahid Yousefnia   +2 more
exaly  

Critical point particle number fluctuations from molecular dynamics

Physical Review C, 2022
Volodymyr A Kuznietsov   +2 more
exaly  

Multiplicity fluctuations and correlations in 5.02 TeV p+Pb collisions at zero impact parameter

Physical Review C, 2023
P Christiansen   +2 more
exaly  

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