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  • The high harmonic spectra of helium atoms which are exposed to external monochromatic linearly polarized laser fields are calculated by solving the time-dependent non-Hermitian Schrödinger equation. The entire electronic correlation effects with and without the presence of the field are included in our calculations. The full high-harmonic generation spectra (HGS) were calculated (and not only the intensities of the integer harmonics frequencies as calculated before by non-Hermitian quantum mechanics). The HGS were calculated when the helium atoms are initially in their ground state, or in the 1s2p excited state or in a superposition of the two field free states. In the first two cases only odd-order harmonics are obtained. However, in the latter, in addition to the odd-order harmonics also pronounced even-order harmonics are obtained.
  • The high harmonic spectra of helium atoms which are exposed to external monochromatic linearly polarized laser fields are calculated by solving the time-dependent non-Hermitian Schrödinger equation. The entire electronic correlation effects with and without the presence of the field are included in our calculations. The full high-harmonic generation spectra (HGS) were calculated (and not only the intensities of the integer harmonics frequencies as calculated before by non-Hermitian quantum mechanics). The HGS were calculated when the helium atoms are initially in their ground state, or in the 1s2p excited state or in a superposition of the two field free states. In the first two cases only odd-order harmonics are obtained. However, in the latter, in addition to the odd-order harmonics also pronounced even-order harmonics are obtained. (en)
  • Byla počítána spetra vyšších harmonických u heliových atomů, které jsou exponovány v externích monochromatických lineárně polarizovaných polích, řešením časově závislé nehermitovské Schrödingerovy rovnice. V našich výpočtech byly plně zahrnuty efekty elektronické korelace v přítomnosti pole i bez ní. Byla počítána úplná spektra generace vyšších harmonických (HGS) , nikoliv jen integrální intensity celých harmonických frekvencí, jak se počítalo dříve pomocí nehermitovské kvantové mechaniky. HGS byla počítána pro helium na počátku v základním stavu, v excitovaném stavu 1s2p a v superpozici těchto dvou stavů. V prvních dvou případech dostáváme pouze liché harmonické. V posledním případě jsou však výrazné také sudé harmonické. (cs)
Title
  • Ab initio calculation of harmonic generation spectra of helium using a time-dependent non-Hermitian formalism
  • Ab initio výpočet spekter generace vyšších harmonických helia pomocí časově závislého nehermitovského formalismu (cs)
  • Ab initio calculation of harmonic generation spectra of helium using a time-dependent non-Hermitian formalism (en)
skos:prefLabel
  • Ab initio calculation of harmonic generation spectra of helium using a time-dependent non-Hermitian formalism
  • Ab initio výpočet spekter generace vyšších harmonických helia pomocí časově závislého nehermitovského formalismu (cs)
  • Ab initio calculation of harmonic generation spectra of helium using a time-dependent non-Hermitian formalism (en)
skos:notation
  • RIV/61388963:_____/06:00047434!RIV07-AV0-61388963
http://linked.open.../vavai/riv/strany
  • 052505;1
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(KJB100550501), P(LC512), Z(AV0Z40550506)
http://linked.open...iv/cisloPeriodika
  • -
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 463920
http://linked.open...ai/riv/idVysledku
  • RIV/61388963:_____/06:00047434
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • high-order harmonic generation; symmetry selection rules; even harmonics; complex scaling; F-produkt (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [DC351FB63A09]
http://linked.open...i/riv/nazevZdroje
  • Physical Review. A
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 74
http://linked.open...iv/tvurceVysledku
  • Kaprálová, Petra
  • Moiseyev, N.
  • Gilary, I.
http://linked.open...n/vavai/riv/zamer
issn
  • 1050-2947
number of pages
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