Silva, R. A. S. [UNESP]Drigo Filho, Elso [UNESP]Ruggiero, José Roberto [UNESP]2014-05-202014-05-202008-09-01Brazilian Journal of Physics. Sociedade Brasileira de Física, v. 38, n. 3a, p. 362-366, 2008.0103-9733http://hdl.handle.net/11449/22122We investigate an extension of the Perard and Bishop (PB) model. In the studied model we get a harmonic one dimensional lattice chain with an additional Morse potential on site. The rotation and vibration motion of each component of the lattice are considered and the coupling for these motions is introduced by a resonance condition. Thermodynamics and structural properties of the system are explored.362-366engNon-linear latticePeyrard-Bishop modelMorse potentialRadius of gyrationArtigo10.1590/S0103-97332008000300010S0103-97332008000300010WOS:000259542900010Acesso abertoS0103-97332008000300010.pdf94241756882065453277957413291567