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Quantum Control of Capture Processes into Localized States of a Quantum Dot

Title data

Kuhn, Tilmann ; Glanemann, Markus ; Axt, Vollrath M.:
Quantum Control of Capture Processes into Localized States of a Quantum Dot.
In: Journal of Computational Electronics. Vol. 2 (2003) Issue 2-4 . - pp. 263-267.
ISSN 1572-8137
DOI: https://doi.org/10.1023/B:JCEL.0000011435.22444.3a

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

The capture of an electronic wave packet moving in a quantum wire into localized states of a quantum dot by means of LO phonon emission is studied on a quantum kinetic level. In general, if there is more than one bound state the capture process leads to the creation of a superposition of these states resulting in an oscillating wave packet inside the dot. It is shown that these oscillations can be efficiently controlled by means of the capture of a second wave packet moving towards the dot from the other side. Depending on the phase of the oscillations at the time of arrival of the second wave packet the amplitude of the spatial oscillations is either reduced or enhanced.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: quantum dot; quantum wire; quamtum kinetics; wave packet transport; carrier capture; coherent control; phonon induced capture; LO phonons
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: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 23 Oct 2017 07:42
Last Modified: 23 Oct 2017 07:42
URI: https://eref.uni-bayreuth.de/id/eprint/40099