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research article

Local control theory in trajectory-based nonadiabatic dynamics

Curchod, Basile F. E.  
•
Penfold, Thomas J.  
•
Rothlisberger, Ursula  
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2011
Physical Review A

In this paper, we extend the implementation of nonadiabatic molecular dynamics within the framework of time-dependent density-functional theory in an external field described in Tavernelli et al. [Phys. Rev. A 81, 052508 (2010)] by calculating on-the-fly pulses to control the population transfer between electronic states using local control theory. Using Tully's fewest switches trajectory surface hopping method, we perform MD to control the photoexcitation of LiF and compare the results to quantum dynamics (QD) calculations performed within the Heidelberg multiconfiguration time-dependent Hartree package. We show that this approach is able to calculate a field that controls the population transfer between electronic states. The calculated field is in good agreement with that obtained from QD, and the differences that arise are discussed in detail.

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Type
research article
DOI
10.1103/PhysRevA.84.042507
Web of Science ID

WOS:000295867200004

Author(s)
Curchod, Basile F. E.  
Penfold, Thomas J.  
Rothlisberger, Ursula  
Tavernelli, Ivano  
Date Issued

2011

Published in
Physical Review A
Volume

84

Article Number

042507

Subjects

Density-Functional Theory

•

Space Gaussian Pseudopotentials

•

Electronic-Transitions

•

Quantum Trajectories

•

Molecular-Dynamics

•

Approximation

•

Photodynamics

•

Systems

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCBC  
Available on Infoscience
November 7, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/72342
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