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Quantum diffusion wave-function approach to two-dimensional vibronic spectroscopy
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DOI：10.1063/1.4896705.png)
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Abstract
En 中文
We apply the quantum diffusion wavefunction approach to calculate vibronic two-dimensional ( 2D) spectra. As an example, we use a system consisting of two electronic states with harmonic oscillator potentials which are coupled to a bath and interact with three time-delayed laser pulses. The first-and second-order perturbative wave functions which enter into the expression for the third-order polarization are determined for a sufficient number of stochastic runs. The wave-packet approach, besides being an alternative technique to calculate the spectra, offers an intuitive insight into the dissipation dynamics and its relation to the 2D vibronic spectra. (C) 2014 AIP Publishing LLC.
Keywords:
FEMTOSECOND CORRELATION SPECTROSCOPIES
STOCHASTIC SCHRODINGER-EQUATION
ELECTRONIC SPECTROSCOPY
OPTICAL SPECTROSCOPY
VIBRATIONAL EXCITONS
PERYLENE BISIMIDE
PACKET DYNAMICS
ENERGY-TRANSFER
LASER-PULSES
SPECTRA
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