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Quantum Simulation

Implementation and validation of the relativistic transient absorption theory within the dipole approximation

arXiv
Authors: Felipe Zapata, Jimmy Vinbladh, Eva Lindroth, Jan Marcus Dahlström

Year

2020

Paper ID

20007

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

A relativistic transient absorption theory is derived, implemented and validated within the dipole approximation based on the time-dependent Dirac equation. Time-dependent simulations have been performed using the Dirac equation and the Schrödinger equation for the Hydrogen atom in two different attosecond transient absorption scenarios. These simulations validate the present relativistic theory. The presented work can be seen as a first step in the development of a more general relativistic attosecond transient absorption spectroscopy method for studying heavy atoms, but it also suggests the possibility of studying relativistic effects, such as Zitterbewegung, in the time domain.

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  • A relativistic transient absorption theory is derived, implemented and validated within the dipole approximation based on the time-dependent Dirac equation.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.06039 [2] arXiv https://arxiv.org/abs/2010.06039 [3] Publisher https://arxiv.org/abs/2010.06039

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