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Intersystem crossing into a coherent superposition of spin states following flash excitation |
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| Authors: | C. J. Nonhof F. L. Plantenga J. Schmidt C. A. G. O. Varma J. H. van der Waals |
| Affiliation: | Center for the Study of the Excited States of Molecules, Huygens Laboratory and Gorlaeus Laboratories, University of Leyden, Leyden, The Netherlands |
| Abstract: | We have observed the free induction decay signal of the Tz–Ty zero-field transition at 859.5 MHz of the lowest excited triplet state of tetramethylpyrazine-d12 in durene following flash excitation at 266 nm in the singlet manifold. The experiment proves that on intersystem crossing the molecules end up in a non-stationary superposition of two zero-field spin states which is coherent throughout the ensemble. |
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