Hyperfine-Induced Decay in Triple Quantum Dots
Thaddeus D. Ladd
TL;DR
This paper investigates how hyperfine interactions affect coherence in triple quantum dots, providing analytical formulas for decay processes by leveraging symmetries and SU(3) structure.
Contribution
It introduces a novel analytical approach to model hyperfine-induced decay in triple quantum dots using Hamiltonian symmetries and SU(3) algebra.
Findings
Derived explicit formulas for hyperfine decay in Rabi and dephasing experiments.
Identified the role of symmetries and SU(3) structure in hyperfine interactions.
Enhanced understanding of decoherence mechanisms in triple quantum dot systems.
Abstract
We analyze the effects of hyperfine interactions on coherent control experiments in triple quantum dots. By exploiting Hamiltonian symmetries and the SU(3) structure of the triple-dot system under pseudo-exchange and longitudinal hyperfine couplings, we provide analytic formulae for the hyperfine decay of triple-dot Rabi and dephasing experiments.
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