Phase-sensitive observables as a route to understanding molecular continua

Tamar Seideman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


We consider the origin and implications of the phase lag, an observable in two-pathway excitation schemes whose recent measurement raised both interest and controversy. A closed-form expression is derived which illustrates the various sources of a nonvanishing phase lag, distinguishes their roles and exposes their unifying feature. Several formally interesting and experimentally relevant limits of the general form are considered and the potential application of phase-sensitive measurements as a route to understanding molecular coupling mechanisms is illustrated.

Original languageEnglish (US)
Pages (from-to)9168-9182
Number of pages15
JournalJournal of Chemical Physics
Issue number20
StatePublished - Nov 22 1999

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry


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