Double sided Feynman diagrams for the and phase matching conditions, see text. The red arrows indicate the closed time path loops used to calculate the contributions from these diagrams.
Diagonal frequency anharmonicities. (a) Symmetric overtone , (b) antisymmetric overtone , and (c) intramolecular combination band , plotted as histograms vs their respective fundamental frequencies.
Histograms of the fundamental transition dipole moment amplitudes as function of the respective transition frequencies. (a) Symmetric mode . (b) Antisymmetric mode .
Coordinate system fixed on .
(a) Fundamental frequency distribution of the symmetric (black), antisymmetric (red) OH stretching vibration, and combined symmetric and antisymmetric frequency distribution (green), blue: experimental linear spectrum (Ref. 56). (b) Overtone frequency distributions, symmetric overtone (black), antisymmetric overtone (red), and combination band (green).
Spectrally integrated signals. (a) PP transients for parallel (ppol) and crossed (xpol) polarization of pump and probe pulses for two coupling regimes. (b) calculated from (a), green: experimental PA (Ref. 26). (c) calculated from (a).
2DIR correlation spectra of the OH stretching vibration in for population times , 50, 100, 200, and 500 fs. Top panel: uncoupled system, bottom panel: . Each spectrum is normalized to its maximum.
2DIR correlation spectra of the OH stretching vibration in for population times , 50, 100, and 200 fs. Top panel: experimental data (Ref. 26), bottom panel: corrected for experimental pulse spectrum and ad hoc population relaxation, see text. Each spectrum is normalized to its maximum. Figure adapted from Ref. 28.
Double Fourier transform of the first (a) and second (b) terms of Eq. (27). As an example, we used the , water data shown in Fig. 7.
2DIR correlation spectra of at for . (a) Full response, (b) GSB only, and (c) ESA extracted from (a) and (b). All spectra are normalized to the full response amplitude. Note the scales for each spectrum.
Calculated anharmonic frequencies in the gas phase (is in ).
Electrostatic ab initio map of the frequencies of the six states. The state represent the and quanta on symmetric O–H stretch and antisymmetric O–H stretch modes. Unit is in for and for .
Electrostatic ab initio map of the allowed transition dipole moments of the six states (linear part). The state represents the transition between the state and . The components of the transition dipole moments are always zero and and components are shown. Unit is in a.u. for and .
Article metrics loading...
Full text loading...