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Quantum chemistry

A lightning-fast change

A single photon can alter the shape of a molecule. It is now shown that quantum effects can play an important role in this change leading to conformation relaxation rates hundreds of times faster than previously expected.

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  1. Clark, J., Tretiak, S., Nelson, T., Cirmi, G. & Lanzani, G. Nature Phys. 8, 225–231 (2012).

    ADS  Article  Google Scholar 

  2. Zwanzig, R. Nonequilibrium Statistical Mechanics (Univ. Oxford Press, 2001).

    MATH  Google Scholar 

  3. Domcke, W., Yarkony, D. R. & Köppel, H. Conical Intersections: Theory, Computation and Experiment (World Scientific, 2011).

    Book  Google Scholar 

  4. Wheeler, J. A. Phys. Today 20, 49–52 (1967).

    Google Scholar 

  5. Wardlaw, D. M. & Marcus, R. A. Adv. Chem. Phys. 70, 231–263 (1988).

    Google Scholar 

  6. Black, J. G., Yablonovitch, E., Bloembergen, N. & Mukamel, S. Phys. Rev. Lett. 38, 1131–1134 (1977).

    ADS  Article  Google Scholar 

  7. Collier, C. P. et al. Science 285, 391–394 (1999).

    Article  Google Scholar 

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Correspondence to Shaul Mukamel.

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Mukamel, S. A lightning-fast change. Nature Phys 8, 179–180 (2012).

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