Influence of intramolecular coupling parameters changes on dipole moments and macroscopic polarization

T. Cusati; J. L. Paz

doi:10.1117/12.591620

21 October 2004 Influence of intramolecular coupling parameters changes on dipole moments and macroscopic polarization

T. Cusati, J. L. Paz

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.591620
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

We have studied the effects of the changes in the intramolecular coupling parameters S (height) to which the vibronic coupling occurs), V₀ (energetic difference between the minima of the potential curves) and v (coupling parameter), considering a two levels system described by two crossed harmonic potential curves. This work has been divided into two particular cases: a) simultaneous changes in S and v and b) simultaneous changes in S and V₀. In the first case we have observed an important increment of the polarization values for low values of v. In the particular case of resonance peak, an important increment of polarization values is observed with the increment of v. In the second case, an abruptly increasing in polarization values is observed to high values of S and low values of V_o. In the particular case of resonance peak we observed the contrary behaivor of the precedent case: a notable decreasing of the polarization values is observed with the increasing in v. These changes are associated to the modifications in the overlapping integral and consequently in the dipole moments of the states in the new coupled basis.

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T. Cusati and J. L. Paz "Influence of intramolecular coupling parameters changes on dipole moments and macroscopic polarization", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.591620

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KEYWORDS

Polarization

Molecules

Electromagnetism

Beam propagation method

Radio propagation

Laser optics

Nonlinear optics

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