Simulation of Nonequilibrium Spin Dynamics in Quantum Dots Subjected to Periodic Laser Pulses

Philipp Schering (), Philipp W. Scherer and Götz S. Uhrig ()
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Philipp Schering: TU Dortmund University, Condensed Matter Theory
Philipp W. Scherer: TU Dortmund University, Condensed Matter Theory
Götz S. Uhrig: TU Dortmund University, Condensed Matter Theory

A chapter in High Performance Computing in Science and Engineering '20, 2021, pp 115-131 from Springer

Abstract: Abstract Large-scale simulations of the spin dynamics in quantum dots subjected to trains of periodic laser pulses enable us to describe and understand related experiments. By comparing the data for different models to experimental results, we gain an improved understanding of the relevant physical mechanisms. Using sophisticated numerical approaches and an efficient implementation combined with extrapolation arguments, nonequilibrium stationary states are reached for parameter ranges close to the ones in real experiments. With the help of high performance computing, we can tune the experimental parameters to guide future experimental research. Importantly, our simulations reveal the possibility of resonant spin amplification in Faraday geometry, i.e., when a longitudinal magnetic field is applied to the quantum dots.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-030-80602-6_8

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DOI: 10.1007/978-3-030-80602-6_8

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