Computational models for the berry phase in semiconductor quantum dots

Journal Article · Mon Oct 06 00:00:00 EDT 2014 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4897675· OSTI ID:22307947

Melnik, R. V. N., ^[1]; Sebetci, A. ^[2]

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1. M2NeT Lab, Wilfrid Laurier University, 75 University Ave W, Waterloo, ON N2L 3C5 (Canada)
2. Department of Mechanical Engineering, Mevlana University, 42003, Konya (Turkey)

By developing a new model and its finite element implementation, we analyze the Berry phase low-dimensional semiconductor nanostructures, focusing on quantum dots (QDs). In particular, we solve the Schrödinger equation and investigate the evolution of the spin dynamics during the adiabatic transport of the QDs in the 2D plane along circular trajectory. Based on this study, we reveal that the Berry phase is highly sensitive to the Rashba and Dresselhaus spin-orbit lengths.

• OSTI ID: 22307947
• Journal Information: AIP Conference Proceedings, Vol. 1618, Issue 1; Conference: ICCMSE 2014: International conference on computational methods in science and engineering 2014, Athens (Greece), 4-7 Apr 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
FINITE ELEMENT METHOD
IMPLEMENTATION
MATHEMATICAL MODELS
ORBITS
QUANTUM DOTS
SCHROEDINGER EQUATION
SEMICONDUCTOR MATERIALS
SPIN
TRAJECTORIES