Looking inside the tunnelling barrier III: Spin polarisation in strong field ionisation from orbitals with high angular momentum

Kaushal J, Smirnova O (2018)

Publication Type: Journal article

Publication year: 2018

Journal

Journal of Physics B: Atomic, Molecular and Optical Physics

Book Volume: 51

Article Number: 174003

Journal Issue: 17

DOI: 10.1088/1361-6455/aad133

Abstract

Strong field ionisation is known as optical tunnelling of an electron through the barrier created by the laser field and core potential. Time-dependent analytical R-matrix takes advantage of the semiclassical nature of electron dynamics in strong laser fields and naturally incorporates complex-valued trajectories in time propagation. The language of trajectories enables straightforward 'kinematic' interpretation of several new phenomena such as 'inversion' of the conventional propensity rules in photo-ionisation (Barth and Smirnova 2011 Phys. Rev. A 84 063415) and generation of spin-polarised electrons (Barth and Smirnova 2013 Phys. Rev. A 88 013401) during ionisation in strong laser fields. Both phenomena are due to the kinematics of the electron motion under the barrier and were predicted for short-range potentials, i.e. neglecting the electron-core interaction. However, the electron-core interaction can and does affect the kinematics of tunnelling defining the ionisation propensity rules (companion paper I) and spin-polarisation. The latter is the focus of this paper. We consider orbitals with arbitrary angular momentum and extend our results to positively charged ions.

Involved external institutions

Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie im Forschungsverbund Berlin e.V. / Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy

Germany (DE)

How to cite

APA:

Kaushal, J., & Smirnova, O. (2018). Looking inside the tunnelling barrier III: Spin polarisation in strong field ionisation from orbitals with high angular momentum. Journal of Physics B: Atomic, Molecular and Optical Physics, 51(17). https://doi.org/10.1088/1361-6455/aad133

MLA:

Kaushal, Jivesh, and Olga Smirnova. "Looking inside the tunnelling barrier III: Spin polarisation in strong field ionisation from orbitals with high angular momentum." Journal of Physics B: Atomic, Molecular and Optical Physics 51.17 (2018).

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