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Magnetic field effects on the recombination kinetics of radical pairs

Abstract:
The recombination kinetics of radical pairs able to react only via the singlet channel are calculated within the framework of the radical pair mechanism, treating nuclear spins semiclassically. The form of the decay, which is in general nonexponential, depends on the applied magnetic field strength and the rate of electron spin-lattice relaxation. Analytical expressions are derived for the limiting cases of zero and high field, with very slow or very fast relaxation. The theory is tested and verified by measuring the decay of the secondary radical pair of photosynthetic bacterial reaction centers at low temperatures.
Publication status:
Published

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Publisher copy:
10.1021/jp9721816

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author


Journal:
JOURNAL OF PHYSICAL CHEMISTRY B More from this journal
Volume:
102
Issue:
2
Pages:
464-472
Publication date:
1998-01-08
DOI:
EISSN:
1520-5207
ISSN:
1089-5647


Language:
English
Pubs id:
pubs:36338
UUID:
uuid:213e99c8-6b7e-470e-b986-75d83cf8c110
Local pid:
pubs:36338
Source identifiers:
36338
Deposit date:
2012-12-19

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