Transition from isentropic to isothermal expansion in laser produced plasma

Barrero, A. and Sanmartín Losada, Juan Ramón (1980). Transition from isentropic to isothermal expansion in laser produced plasma. "Plasma Physics", v. 22 ; pp. 617-626. ISSN 0032-1028.

Description

Title: Transition from isentropic to isothermal expansion in laser produced plasma
Author/s:
  • Barrero, A.
  • Sanmartín Losada, Juan Ramón
Item Type: Article
Título de Revista/Publicación: Plasma Physics
Date: 1980
ISSN: 0032-1028
Volume: 22
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Física Aplicada a la Ingeniería Aeronáutica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The transition that the expansion flow of laser-produced plasmas experiences when one moves from long, low intensity pulses (temperature vanishing at the isentropic plasma-vacuum front,lying at finite distance) to short, intense ones (non-zero, uniform temperature at the plasma-vacuum front, lying at infinity) is studied. For plznar geometry and lqge ion number Z, the transition occurs for dq5/dt=0.14(27/8)k712Z’1zn$/m4f, 12nK,,; mi, and K are laser intensity, critical density,ion mass, and Spitzer’s heat conduction coefficient. This result remains valid for finite Zit,h ough the numerical factor in d$/dt is different. Shorter wavelength lasers and higher 4 plasmas allow faster rising pulses below transition.

More information

Item ID: 21436
DC Identifier: http://oa.upm.es/21436/
OAI Identifier: oai:oa.upm.es:21436
Deposited by: Biblioteca ETSI Aeronauticos
Deposited on: 26 Oct 2013 13:13
Last Modified: 21 Apr 2016 12:01
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