Excitation of multiple wakefields by short laser pulses in dense plasmas

Details Excitation of multiple wakefields by short laser pulses in dense plasmas Excitation of multiple wakefields by short laser pulses in dense plasmas

2009-04-02

arxiv.org/abs/0904.0323v1

Physics

Plasma Physics

4 pages, 3 figures

Scientific paper

We present a theoretical investigation of the excitation of multiple electrostatic wakefields by the ponderomotive force of a short electromagnetic pulse propagating through a dense plasma. It is found that the inclusion of the quantum statistical pressure and quantum electron tunneling effects can qualitatively change the classical behavior of the wakefield. In addition to the well known plasma oscillation wakefield, with a wavelength of the order of the electron skin depth, which in a dense plasma is of the order of several nanometers, wakefields in dense plasmas with a shorter wavelength are also excited. The wakefields can trap electrons and accelerate them to extremely high energies over nanoscales.

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