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Open Quantum Systems Decoherence
Superconducting Qubits
Echo trains in pulsed electron spin resonance of a strongly coupled spin ensemble
arXiv
Authors: Stefan Weichselbaumer, Matthias Zens, Christoph W. Zollitsch, Martin S. Brandt, Stefan Rotter, Rudolf Gross, Hans Huebl
Year
2018
Paper ID
7378
Status
Preprint
Abstract Read
~2 min
Abstract Words
79
Citations
N/A
Abstract
We report on a novel dynamical phenomenon in electron spin resonance experiments of phosphorus donors. When strongly coupling the paramagnetic ensemble to a superconducting lumped element resonator, the coherent exchange between these two subsystems leads to a train of periodic, self-stimulated echos after a conventional Hahn echo pulse sequence. The presence of these multi-echo signatures is explained using a simple model based on spins rotating on the Bloch sphere, backed up by numerical calculations using the inhomogeneous Tavis-Cummings Hamiltonian.
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- This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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- We report on a novel dynamical phenomenon in electron spin resonance experiments of phosphorus donors.
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