title: Multimode unravelling of master equation and decoherence problem.
abstract: An unravelling of master equation for a set of fields interfering with one another is developed and conditions are found under which decoherence can be avoided for conditional and unconditional evolution of one of these fields.
authors.forename: D
authors.initials: D
authors.lastname: Horoshko
authors.forename: S
authors.initials: S
authors.lastname: Kilin