Cederbaum-Zobeley 1999 attosecond charge-migration in molecules: prompt sub-fs hole-dynamics independent of nuclear motion; Calegari 2014 phenylalanine experimental observation.
Cederbaum-Zobeley 1999 attosecond charge-migration in molecules: prompt sub-fs hole-dynamics independent of nuclear motion; Calegari 2014 phenylalanine experimental observation.