Spin polarization recovery and Hanle effect for charge carriers interacting with nuclear spins in semiconductors

Abstract

We report on theoretical and experimental study of the spin polarization recovery and Hanle effect for the charge carriers interacting with the fluctuating nuclear spins in the semiconductor structures. We start the theoretical description from the simplest model of static and isotropic nuclear spin fluctuations. Then we describe the modification of the polarization recovery and Hanle curves due to the anisotropy of the hyperfine interaction, finite nuclear spin correlation time, and the strong pulsed spin excitation. For the latter case, we describe the resonance spin amplification effect in the Faraday geometry and discuss the manifestations of the quantum Zeno effect. The set of the experimental results for various structures and experimental conditions is chosen to highlight the specific effects predicted theoretically. We show that the spin polarization recovery is a very valuable tool for addressing carrier spin dynamics in semiconductors and their nanostructures.

arXiv comment16 pages, 15 figures

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• Dynamic polarization of electron spins in indirect band gap (In,Al)As/AlAs quantum dots in weak magnetic field: experiment and theory
• Optical measurement of electron spins in quantum dots: Quantum Zeno effects
• Dynamic Valley Polarization in Moire Quantum Dots
• Electric current noise in mesoscopic organic semiconductors
• Tuning the nuclei-induced spin relaxation of localized electrons by the quantum Zeno and anti-Zeno effects
• Resonant spin amplification in Faraday geometry
• Probing electron spin dynamics in single telecom InAs(P)/InP quantum dots using the Hanle effect
• Hyperfine interaction of electrons and holes with nuclei probed by optical orientation in MAPbI${}_3$ perovskite crystals
• Spin properties in droplet epitaxy-grown telecom quantum dots
• Polaron formation in a spin chain by measurement-induced imaginary Zeeman field
• Truncated Wigner approximation for the bosonic model of large spin baths
• Layer-Dependent Spin Properties of Charge Carriers in Vertically Coupled Telecom Quantum Dots
• Deep optical cooling of coupled nuclear spin-spin and quadrupole reservoirs in a GaAs/(Al,Ga)As quantum well