title: Role of relaxation in the resonant interaction of light pulses with matter.
abstract: Conditions for obtaining maximal enhancement of optical lattice vibrations by a train of picosecond light pulses, including its dependence on the relaxation time of a material system, are found by using density matrix formalism.
authors.forename: B
authors.initials: B
authors.lastname: Ratajska
authors.forename: A H
authors.initials: AH
authors.lastname: Piekara