title: Structural transitions in a crystalline bilayer: the case of Lennard-Jones and Gaussian core models.
abstract: We study structural transitions in a system of interacting particles arranged as a crystalline bilayer, as a function of the density ρ and the distance d between the layers. As d is decreased a sequence of transitions involving triangular, rhombic, square and centred rectangular lattices is observed. The sequence of phases and the order of transitions depends on the nature of the interactions.
authors.affiliation: Department of Chemical, Biological and Macromolecular Sciences, S N Bose National Center for Basic Sciences, Block-JD, Sector III, Salt Lake, Kolkata 700098, India.
authors.forename: Tamoghna
authors.initials: T
authors.lastname: Das
authors.forename: Surajit
authors.initials: S
authors.lastname: Sengupta
authors.forename: Subhasis
authors.initials: S
authors.lastname: Sinha