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primary topic: Dynamics of an electron spin in strong classical and quantized electromagnetic fields

Dynamics of an electron spin in strong classical and quantized electromagnetic fields
type: Article
abstract: The electron motion in the presence of a strong classical and quantized pulse of an electromagnetic field is studied with a special emphasis on the spin degree of freedom. It is shown that the Hamiltonian of this system can be separated into two parts with the help of canonical transformations of the field variables, namely the interaction between an electron and a singlecollective- mode of the field and fluctuations relatively to this collective-mode. The application of perturbation theory to the fluctuations allows the conditions of applicability of the singlemode approximation for the quantized external field to be formulated. Furthermore, within this approximation the electron spin evolution is investigated. In addition to fast spin oscillations at the laser frequency, a second time scale is identified due to the intensity-dependent emissions and absorptions of field quanta, that is collapse and revival dynamics. The effect is observable at the experimentally feasible intensity of 1018 W=cm2. After this, we switch to the regime of higher intensities, when the fluctuations of the external field can be neglected. We investigate the asymmetries in the electron scattering arising due to the electron polarization and pulse duration, and constrain the optimal conditions for the asymmetry observation.
date: 2014
author list: authors
type: EPrint
type: DoctoralThesisEPrint
is part of: repository
has document: Dynamics of an electron spin in strong classical and quantized electromagnetic fields (PDF)
has document: Dynamics of an electron spin in strong classical and quantized electromagnetic fields (Other)
subject: 530 Physik

Dynamics of an electron spin in strong classical and quantized electromagnetic fields (PDF)
type: Document
has file: diss_Skoromnik.pdf
has part: diss_Skoromnik.pdf

Oleg Skoromnik
type: Person
given name: Oleg
family name: Skoromnik

Dynamics of an electron spin in strong classical and quantized electromagnetic fields (Other)
type: Document
is version of: Dynamics of an electron spin in strong classical and quantized electromagnetic fields (PDF)
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Dynamics of an electron spin in strong classical and quantized electromagnetic fields (Other)
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Dynamics of an electron spin in strong classical and quantized electromagnetic fields (Other)
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Dynamics of an electron spin in strong classical and quantized electromagnetic fields (Other)
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is version of: Dynamics of an electron spin in strong classical and quantized electromagnetic fields (PDF)
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Dynamics of an electron spin in strong classical and quantized electromagnetic fields (Other)
type: Document
is version of: Dynamics of an electron spin in strong classical and quantized electromagnetic fields (PDF)
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primary topic: Dynamics of an electron spin in strong classical and quantized electromagnetic fields

530 Physik
type: Concept
preferred label: 530 Physics @en