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Quantum Chemistry
Clock Transitions Guard Against Spin Decoherence in Singlet Fission
arXiv
Authors: Sina G. Lewis, Kori E. Smyser, Joel D. Eaves
Year
2021
Paper ID
61964
Status
Preprint
Abstract Read
~2 min
Abstract Words
94
Citations
N/A
Abstract
Short coherence times present a primary obstacle in quantum computing and sensing applications. In atomic systems, clock transitions (CTs), formed from avoided crossings in an applied Zeeman field, can substantially increase coherence times. We show how CTs can dampen intrinsic and extrinsic sources of quantum noise in molecules. Conical intersections between two periodic potentials form CTs in electron paramagnetic resonance experiments of the spin-polarized singlet fission photoproduct. We report on a pair of CTs for a two-chromophore molecule in terms of the Zeeman field strength, molecular orientation relative to the field, and molecular geometry.
Why This Paper Matters
- This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
- It adds a 2021 reference point for readers tracking recent quantum research.
- Short coherence times present a primary obstacle in quantum computing and sensing applications.
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