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'Ghost particles' could improve understanding the universe
Ghost particles understanding universe
2017/2/16
Trillions of neutrinos, or ghost particles, are passing through us every second. While scientists know this fact, they don’t know what role neutrinos play in the universe because they are devilishly h...
Lineshapes for composite particles with unstable constituents
Lineshapes unstable constituents
2010/3/16
We discuss on very general grounds possible lineshapes of composite particles with one unstable constituent. Expressions are derived in a coupled channel formalism for constituents interacting in an $...
One-dimensional universe of free particles: classical and quantum correspondence
Classical-quantum correspondence Wave packets Free particles
2010/3/10
We obtain multi-free particle parametric systems with complete classical-quantum correspondence. First, we quantize the classical parametric model which results in a hyperbolic partial differential eq...
Enhanced of the R6G Thermal Diffusivity on Aggregated Small Gold Particles
Thermal diffusivity Nanofluids Gold nanoparticles Thermal lens
2010/9/29
R6G dye with gold nanoparticles was prepared in water solution. Using a thermal lens experimental setup, the thermal diffusivity of R6G in presence of gold nanoparticles with Au different concentratio...
In a recent paper [Beige, Knight, and Vitiello, quant-ph/0404160], we showed that a large number N of particles
can be cooled very efficiently. The particles should be excited by red-detuned laser fi...
Clustering of Dust Particles on Water Surface
Dust Particles Water Surface a liquid surface
2010/10/19
In this work we use molecular dynamics simulation to study the clustering of dust particles deposited on a liquid surface. Our results are compatible with the picture that one particle attracts anothe...