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Concavity properties prevent the existence of significant landscapes in energy surfaces obtained by energy minimizations under constraints.
No-Go theorem for energy surfaces
No-Go theorem energy surfaces Concavity property Nuclear Theory
2011/7/28
Abstract: Concavity properties prevent the existence of significant landscapes in energy surfaces obtained by energy minimizations under constraints. The contradiction holds at finite temperatures T a...
Peierls-Nabarro energy surfaces and directional mobility of discrete solitons in two-dimensional saturable nonlinear Schrödinger lattices
Pattern Formation and Solitons(nlin.PS) Optics(physics.optics)
2010/11/10
We address the problem of directional mobility of discrete solitons in two-dimensional rectangular lattices, in the framework of a discrete nonlinear Schr\"odinger model with saturable on-site nonline...