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Volumn 129, Issue 20, 2008, Pages

Ultrafast energy redistribution in C60 fullerenes: A real time study by two-color femtosecond spectroscopy

Author keywords

[No Author keywords available]

Indexed keywords

DYNAMICS; FULLERENES; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; MASS SPECTROMETRY; MOLECULAR MODELING; MOLECULAR ORBITALS; PUMPING (LASER); PUMPS; RELAXATION PROCESSES;

EID: 57149144729     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.3026734     Document Type: Article
Times cited : (25)

References (39)
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    • We estimate the resonant dynamic Stark effect, equivalent to the Autler-Townes or Rabi splitting (see, e.g., Ref.) as e0 rab E0 with the transition dipole moment e0 rab from the measured oscillator strength f=0.015 for "feature a" of Ref. at 3.05 eV and the electric field strength E0 / (V/m) =2745 I0 / (W/ cm2) at our present intensities I0 =3.4× 1013 W/ cm2 to be ≃100 meV -which is larger than most of the vibrational level splittings in C60.
    • We estimate the resonant dynamic Stark effect, equivalent to the Autler-Townes or Rabi splitting (see, e.g., Ref.) as e0 rab E0 with the transition dipole moment e0 rab from the measured oscillator strength f=0.015 for "feature a" of Ref. at 3.05 eV and the electric field strength E0 / (V/m) =2745 I0 / (W/ cm2) at our present intensities I0 =3.4× 1013 W/ cm2 to be ≃100 meV -which is larger than most of the vibrational level splittings in C60.
  • 38
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    • Assuming that the total energy of the system is-after a few picoseconds-statistically distributed over the vibrational degrees of freedom, the kinetic shift energy is required to allow for channeling the necessary dissociation energy with sufficient probability into the coordinates involved in the bond breaking.
    • Assuming that the total energy of the system is-after a few picoseconds-statistically distributed over the vibrational degrees of freedom, the kinetic shift energy is required to allow for channeling the necessary dissociation energy with sufficient probability into the coordinates involved in the bond breaking.
  • 39
    • 57149147427 scopus 로고    scopus 로고
    • Note that for higher charge states an even faster relaxation would be expected. These ions, however, cannot be detected here due to the relatively weak probe pulse.
    • Note that for higher charge states an even faster relaxation would be expected. These ions, however, cannot be detected here due to the relatively weak probe pulse.


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