42 citations · 134 across the 20 of their papers we have counts for
16 papers · 1 filter
Quantum theory of elastic strings and the thermal conductivity of glasses
Fernando Lund, Bruno Scheihing-Hitschfeld
We study the thermal conductivity of amorphous solids by constructing a continuum model whose degrees of freedom are propagating vibrational modes (phonons) and extended Volterra d…
Nonlinear acoustic characterization of heterogeneous plasticity in bent aluminium samples
Carolina Espinoza, Vicente Salinas, Makarena Osorio +4
Knowledge of the state of plastic deformation in metallic structures is vital to prevent failure. This is why non-destructive acoustic tests based on the measurement of first order…
Diffusion of elastic waves in a continuum solid with a random array of pinned dislocations
Dmitry Churochkin, Fernando Lund
The propagation of incoherent elastic energy in a three-dimensional solid due to the scattering by many, randomly placed and oriented, pinned dislocation segments, is considered in…
Coherent propagation and incoherent diffusion of elastic waves in a two dimensional continuum with a random distribution of edge dislocations
Dmitry Churochkin, Fernando Lund
We study the coherent propagation and incoherent diffusion of in-plane elastic waves in a two dimensional continuum populated by many, randomly placed and oriented, edge dislocatio…
The scattering of phonons by infinitely long quantum dislocations segments and the generation of thermal transport anisotropy in a solid threaded by many parallel dislocations
Fernando Lund, Bruno Scheihing Hitschfeld
A canonical quantization procedure is applied to the interaction of elastic waves --phonons-- with infinitely long dislocations that can oscillate about an equilibrium, straight li…
Elastic anomalies in glasses: the string theory understanding in the case of Glycerol and Silica
Ernesto Bianchi, Valentina M. Giordano, Fernando Lund
We present an implementation of the analytical string theory recently applied to the description of glasses. These are modeled as continuum media with embedded elastic string heter…