Three-stage decoherence dynamics of an electron spin qubit in an optically active quantum dot

• Published in: Nature physics Vol. 11; no. 12; pp. 1005 - 1008
• Main Authors: Bechtold, Alexander, Rauch, Dominik, Li, Fuxiang, Simmet, Tobias, Ardelt, Per-Lennart, Regler, Armin, Müller, Kai, Sinitsyn, Nikolai A., Finley, Jonathan J.
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 01.12.2015; Nature Publishing Group; Nature Publishing Group (NPG)
• Subjects: 639/301/1005/1008; 639/301/119/1000/1017; 639/925/357/537; 639/925/927/481; Atomic; Classical and Continuum Physics; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Complex Systems; Condensed Matter Physics; decoherence; Electron spin; Hyperfine structure; Information storage; letter; Magnetic fields; Many body problem; MATERIALS SCIENCE; Mathematical and Computational Physics; Molecular; Nuclear spin; Optical activity; Optical and Plasma Physics; Physics; Quadrupole interaction; Quadrupoles; quantum dot; Quantum dots; Quantum physics; Qubits (quantum computing); Solid state; Solid state physics; spin bath; Theoretical

The mechanisms of decoherence in solid-state spin qubits subject to low magnetic fields turn out to be more complex than previously expected as an additional fast relaxation stage has now been identified. The control of solid-state qubits requires a detailed understanding of the decoherence mechanis...