Nonlinear structures and thermodynamic instabilities in a one-dimensional lattice system

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dc.creatorTheodorakopoulos, Nikos
dc.creatorPeyrard, Michel
dc.creatorMacKay, Robert S.
dc.date2004-11-08
dc.date.accessioned2026-07-07T08:10:16Z
dc.date.available2026-07-07T08:10:16Z
dc.descriptionThe equilibrium states of the discrete Peyrard-Bishop Hamiltonian with one end fixed are computed exactly from the two-dimensional nonlinear Morse map. These exact nonlinear structures are interpreted as domain walls (DW), interpolating between bound and unbound segments of the chain. The free energy of the DWs is calculated to leading order beyond the Gaussian approximation. Thermodynamic instabilities (e.g. DNA unzipping and/or thermal denaturation) can be understood in terms of DW formation.
dc.description4 pages, 5 figures, to appear in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/0411188
dc.identifierhttp://arxiv.org/abs/cond-mat/0411188
dc.identifierPhys. Rev. Lett. 93, 258101 (2004)
dc.identifierdoi:10.1103/PhysRevLett.93.258101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/131776
dc.subjectStatistical Mechanics
dc.subjectSoft Condensed Matter
dc.subjectBiological Physics
dc.titleNonlinear structures and thermodynamic instabilities in a one-dimensional lattice system
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