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Instabilities in laser-produced carbon plasma expanding in a nonuniform magnetic field

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Abstract.

The laser-produced carbon plasma expanding in an ambient atmosphere in the presence of an inhomogeneous magnetic field has been studied by emission spectroscopy and fast photography. A double-peak structure is observed in the temporal profile of CII and CIII transition. A sudden increase in delay observed in the second peak when the plasma expands in the concave region of a magnetic field is attributed to Rayleigh–Taylor instability in a magnetic field. An estimate of the growth rate of the instability inferred using intensity and velocity profile of the expanding plasma is reported.

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Authors and Affiliations

  1. Department of Physics, Indian Institute of Technology Kanpur, Kanpur 208016 (UP), India, , , , , , IN

    A. Neogi & R.K. Thareja

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  1. A. Neogi
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  2. R.K. Thareja
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Received: 26 August 1999 / Revised version: 3 January 2000 / Published online: 20 September 2000

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Neogi, A., Thareja, R. Instabilities in laser-produced carbon plasma expanding in a nonuniform magnetic field . Appl Phys B 72, 231–235 (2001). https://doi.org/10.1007/s003400000244

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  • DOI: https://doi.org/10.1007/s003400000244

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