title: Attraction of positively charged particles in highly collisional plasmas.
abstract: It is shown that the electrostatic interaction potential between a pair of positively charged particles embedded in a highly collisional plasma has a long-range attractive asymptote. The effect is due to continuous plasma absorption on the particles. The relevance of this result to experimental investigations of complex (dusty) plasmas is discussed.
authors.affiliation: Max-Planck-Institut für extraterrestrische Physik, D-85741 Garching, Germany.
authors.forename: S A
authors.initials: SA
authors.lastname: Khrapak
authors.forename: G E
authors.initials: GE
authors.lastname: Morfill
authors.forename: V E
authors.initials: VE
authors.lastname: Fortov
authors.forename: L G
authors.initials: LG
authors.lastname: D'yachkov
authors.forename: A G
authors.initials: AG
authors.lastname: Khrapak
authors.forename: O F
authors.initials: OF
authors.lastname: Petrov