Articles with "excitation high" as a keyword



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Excitation of high wavenumber fluctuations by externally-imposed helical fields in edge pedestal plasmas

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Published in 2018 at "Physics of Plasmas"

DOI: 10.1063/1.5015945

Abstract: Two-step mode coupling analyses for nonlinear excitation of the ballooning mode (BM) in pedestal plasma by external helical magnetic field perturbation [Resonant Magnetic Perturbations (RMP)] are presented. This technique allows calculating the effect of higher… read more here.

Keywords: wavenumber fluctuations; plasmas excitation; high wavenumber; excitation high ... See more keywords
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Frequency-selective excitation of high-wavevector phonons

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Published in 2018 at "Applied Physics Letters"

DOI: 10.1063/1.5047447

Abstract: We demonstrate the selective excitation of a narrow frequency band of TA phonons throughout the Brillouin zone of germanium using a sinusoidally modulated picosecond laser pulse. The pulse is produced through the combination of two… read more here.

Keywords: frequency selective; pulse; high wavevector; excitation ... See more keywords
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Multiphoton excitation and high harmonic generation in rectangular graphene quantum dot

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Published in 2022 at "Physica Scripta"

DOI: 10.1088/1402-4896/acc9ed

Abstract: The multiphoton excitation and high harmonic generation (HHG) processes are considered using the microscopic quantum theory of nonlinear interaction of strong coherent electromagnetic (EM) radiation with rectangular graphene quantum dot (RGQD). The dynamic Hartree–Fock approximation… read more here.

Keywords: multiphoton excitation; excitation high; quantum dot; quantum ... See more keywords