Volume 90 Issue 12 | p. 36 | Concentrates
Issue Date: March 19, 2012

Big Molecules’ Little Electrons Probed

Method to observe attosecond-scale electron motion targets large molecules
Department: Science & Technology
Keywords: attosecond scale, channel resolved above-threshold ionization, electrons, large molecules

A new spectroscopic technique allows scientists to probe the laser-driven attosecond-scale motions of electrons in large molecules (Science, DOI: 10.1126/science1212896). The motions of electrons in strong laser fields underlie the emerging field of attosecond science. But until now, experiments that resolve ultrafast electron motions in strong laser fields have been accomplished only with single atoms or small molecules. Larger molecules, which have more electrons, present a more challenging problem. Now, . . .

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