Dynamics of orientation of adsorbed polar molecules in static electric and laser field

Dahiya, Brijender; Tyagi, Ashish; Prasad, Vinod

doi:10.1080/00268976.2013.856487

Cited by 12 publications

(4 citation statements)

References 44 publications

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“…Field dressed system dynamics of KCL molecule is discussed classically and quantum mechanically in detail [363] . Also orientation of adsorbed molecule in conical well is analysed in combined static electric and laser field [365].. Moderate laser fields tilted at an angle, when interact with molecule an interesting field dressed dynamics is noticed in adiabatic, nonadibatic and near adiabatic regimes [ [366]].…”

Section: Near-adiabatic Orientation and Alignment By Mixed Fieldmentioning

confidence: 99%

Orientation and Alignment Dynamics of Polar Molecule Driven by Shaped Laser Pulses

Nautiyal,

Devi,

Tyagi

et al. 2020

Preprint

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We review on the theoretical status of intense laser orientation and alignment-a field at the interface between intense laser physics and chemical dynamics with the potential applications ranging from high harmonic generation, nano-scale processing and control of chemical reactions. The evolution of the rotational wave packet and its dynamics leading to orientation and alignment is the topic of the present discussion. The major part of the article basically presents an overview on recent theoretical progress in controlling the orientation and alignment dynamics of a molecule by means of shaped laser pulses. The various theoretical approaches that lead to orientation and alignment ranging from static electrostatic field in combination with laser field(s), combination of orienting and aligning field, combination of aligning fields, combination of orienting fields, application of train of pulses etc. are discussed. It is focussed that the train of pulses proves to be quite efficient in increasing the orientation or alignment of a molecule without causing the molecule to ionize. The orientation and alignment both can occur in adiabatic and non-adiabatic conditions with the rotational

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Section: Near-adiabatic Orientation and Alignment By Mixed Fieldmentioning

confidence: 99%

Orientation and Alignment Dynamics of Polar Molecule Driven by Shaped Laser Pulses

Nautiyal,

Devi,

Tyagi

et al. 2020

Preprint

Self Cite

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“…The finite difference method is a numerical method to solve a differential equation in a given interval

[I_{1}, I_{2}]

. Such method of higher orders has been used in literature . The solution of the differential equation can be constrained to satisfy some boundary conditions at the end points of the interval.…”

Section: Theory and Computational Detailsmentioning

confidence: 99%

Rovibrational spectra of bounded diatomic molecules

Lumb

Prasad

2016

Int J of Quantum Chemistry

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Spectra of a bounded diatomic molecule is studied numerically. Shifted Deng-Fan oscillator potential has been used to model the molecule. The accurate five-point finite difference method has been used to solve the Schr€ odinger equation for rovibrational motion of the molecule. The energies of the bound states as well as free states of the molecule have been calculated. In addition, radial matrix elements like hw i jr n jw j i, n 5 1, 2, and 3 have been calculated. These have been used to calculate the 2 l -pole static polarizabilities. The variation of bound state energies, matrix elements and 2 l -pole static polarizabilities with the boundary radius has also been studied. The Stark effect in case of this bounded system has also been investigated. K E Y W O R D S bounded diatomic molecule, Deng-Fan oscillator potential, Stark effect, static polarizability Int.

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“…For confined-molecule schemes, field-free orientation is obtained by applying laser pulses [24]. Steady orientation is further achieved in a static electric field [25,26]. However, effects on the dynamic orientation induced by the anticrossing property of energy level are relatively minor.…”

Section: Introductionmentioning

confidence: 99%

Orientation of adsorbed molecules under the influence of electric fields

Liao

2015

Molecular Physics

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The dynamic orientation of vertically adsorbed polar molecules is investigated by switching on electric fields. The rotational properties of molecules are modulated by the electric field and the conical well. The orientation reveals multiple pronounced oscillations, depending on the specific field parameters. The range of oscillation is enhanced even in the presence of conical-well confinement. Furthermore, population concentration and inversion cyclically occur in the system, corresponding to distinctive molecular orientations. Specific field-free orientation is also obtained by turning off the field. The population can be concentrated or reversed for a long time. The thermal effect on the properties of orientation is analysed in detail.

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Dynamics of orientation of adsorbed polar molecules in static electric and laser field

Cited by 12 publications

References 44 publications

Orientation and Alignment Dynamics of Polar Molecule Driven by Shaped Laser Pulses

Orientation and Alignment Dynamics of Polar Molecule Driven by Shaped Laser Pulses

Rovibrational spectra of bounded diatomic molecules

Orientation of adsorbed molecules under the influence of electric fields

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