Periodic electron structures in gases: a fluid model of the window phenomenon
Nicoletopoulos, P., and Robson, R.E. (2008) Periodic electron structures in gases: a fluid model of the window phenomenon. Physical Review Letters , 100 (12). p. 124502.
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Periodic electron spatial structures in gases occur within a window of voltages and pressures. Recent accurate solutions of Boltzmann’s equation portray this effect, but offer little physical insight into the causes of windowing. Here we show for the first time how such insight can be obtained using the fluid model established by Robson, White, and Petrović [Rev. Mod. Phys. 77, 1303 (2005)], with an appropriate generalization of the heat flux ansatz. Conversely, the success in portraying windowing itself becomes a stringent test of the integrity of this fluid model, which can then be applied to a wider range of problems.
|Item Type:||Article (Refereed Research - C1)|
|FoR Codes:||02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 100%|
|SEO Codes:||97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%|
|Deposited On:||25 Mar 2010 08:16|
|Last Modified:||12 Feb 2011 23:33|
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