Stark-assisted quantum confinement of wavepackets. A coupling of nonadiabatic interaction and CW-laser

Journal Article · Thu Jan 28 00:00:00 EST 2016 · Journal of Chemical Physics

DOI:https://doi.org/10.1063/1.4940341· OSTI ID:22493680

Arasaki, Yasuki; Mizuno, Yuta; Takatsuka, Kazuo ^[1]; Scheit, Simona ^[2]

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1. Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo (Japan)
2. Theoretische Chemie, Universität Heidelberg, Im Neuneheimer Feld 229, 69120 Heidelberg (Germany)

When a nonadiabatic system that has an ionic state (large dipole moment) and a covalent state (small dipole moment) is located in a strong laser field, the crossing point of the two potential energy curves is forced to oscillate due to the oscillating laser field and to meet wavepackets moving on the potential curves many times. This leads to additional transitions between the two states, and under favorable conditions, the wavepacket may be confined in a spatial region rich in nonadiabatic interaction. In this paper, taking the LiF molecule system in a continuous-wave driving field as a prototypical example, the dynamical origins of the wavepacket confinement are theoretically investigated.

• OSTI ID: 22493680
• Journal Information: Journal of Chemical Physics, Vol. 144, Issue 4; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-9606
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CONFINEMENT
COUPLING
COVALENCE
DIAGRAMS
DIPOLE MOMENTS
LASER RADIATION
LITHIUM FLUORIDES
MOLECULES
POTENTIAL ENERGY
POTENTIALS
WAVE PACKETS