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Dynamics of a single Mn spin in a quantum dot : The role of magnetic fields in Faraday and Voigt geometry

Title data

Reiter, Doris ; Kuhn, Tilmann ; Axt, Vollrath M. ; Machnikowski, Paweł:
Dynamics of a single Mn spin in a quantum dot : The role of magnetic fields in Faraday and Voigt geometry.
In: Journal of Physics: Conference Series. Vol. 193 (2009) Issue 1 . - Art.Nr. 012101.
ISSN 1742-6596
DOI: https://doi.org/10.1088/1742-6596/193/1/012101

Abstract in another language

A theoretical analysis of the optically driven spin dynamics of a single Mn atom in a quantum dot in the presence of magnetic fields in different geometries is presented. When a magnetic field in Faraday configuration is applied, the Mn spin can be flipped from its initial state into each of its six spin eigenstates via optical excitation and manipulation of excitons. In the case of a magnetic field in Voigt configuration, the presence of an exciton leads to a precession of the Mn spin around the combination of external and exchange-induced magnetic field. By using optical pulses this precession can be switched on and off.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: magnetic quantum dot; ultrafast dynamics; excitons; spintronics; exchange interaction; nonlinear optics; coherent control; optical control
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 30 Oct 2017 10:05
Last Modified: 30 Oct 2017 10:05
URI: https://eref.uni-bayreuth.de/id/eprint/40193