title: Two-Dimensional Stimulated Ultraviolet Resonance Raman Spectra of Tyrosine and Tryptophan; A Simulation Study.
abstract: We report anab-initiosimulation study of the ultrafast broad bandwidth ultraviolet (UV) stimulated resonance Raman spectra (SRRS) of L-tyrosine, L-tryptophan and trans-L-tryptophan-L-tyrosine (WY) dipeptide. Two-pulse one-dimensional (1D) SRRS and three-pulse 2D SRRS that reveal inter- and intra-residue vibrational coorelations are simulated using electronically resonant or preresonant pulse configurations that select the Raman signal and discriminate against excited state pathways. Multimode effects are incorporated via the cumulant expansion. The 2D SRRS technique is more sensitive to residue couplings than spontaneous Raman.
authors.affiliation: Department of Chemistry, University of California, Irvine, CA 92697.
authors.forename: Hao
authors.initials: H
authors.lastname: Ren
authors.forename: Jason D
authors.initials: JD
authors.lastname: Biggs
authors.forename: Shaul
authors.initials: S
authors.lastname: Mukamel