Artículo
On the kinetic and thermodynamic electron temperatures in non-thermal plasmas
Autor/es | Álvarez Molina, Rafael
Cotrino Bautista, José Palmero Acebedo, Alberto |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2014 |
Fecha de depósito | 2017-07-14 |
Publicado en |
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Resumen | The framework to describe the out-of-equilibrium free electrons in cold plasmas is developed assuming the electron entropy is defined through the Boltzmann H-theorem. Our theory explains why the Saha-Boltzmann relation ... The framework to describe the out-of-equilibrium free electrons in cold plasmas is developed assuming the electron entropy is defined through the Boltzmann H-theorem. Our theory explains why the Saha-Boltzmann relation among higher-lying excited states by means of the electron kinetic temperature is fulfilled, even when free electrons are far from equilibrium. The thermodynamic electron temperature, pressure and chemical potential have been introduced through the derivatives of the electron entropy. It is demonstrated that under usual conditions in cold plasmas, e.g. when the electron distribution function possesses the Maxwellian, Druyvestein or Kappa functional forms, kinetic and thermodynamic electron temperatures yield the same value. |
Agencias financiadoras | Junta de Andalucía Ministerio de Ciencia, Innovación y Universidades (MICINN). España |
Identificador del proyecto | P12-FQM-2265
TEP-08067 P10-FQM-6900 CSD2008-00023 MAT2010-21228 MAT2010-18447 |
Cita | Álvarez Molina, R., Cotrino Bautista, J. y Palmero Acebedo, A. (2014). On the kinetic and thermodynamic electron temperatures in non-thermal plasmas. Europhysics Letters, 105 (1), 15001. |
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