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Listar por autor "Bajārs, Jānis"
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Artículo
Frequency–momentum representation of moving breathers in a two dimensional hexagonal lattice
Bajārs, Jānis; Archilla, Juan F. R. (ScienceDirect, 2022-12)We study nonlinear excitations propagating in a hexagonal layer which is a model for the cation layer of silicates. We ...
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Ponencia
Multiple Time Stepping Methods for Numerical Simulation of Charge Transfer by Mobile Discrete Breathers
Bajārs, Jānis; Archilla, Juan F. R. (American Institute of Physics, 2024-06-07)In this work we propose new structure-preserving multiple time stepping methods for numerical simulation of charge transfer ...
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Artículo
Spectral Properties of Exact Polarobreathers in Semiclassical Systems
Archilla, Juan F. R.; Bajārs, Jānis (MDPI, 2023-04-27)In this paper, we study the spectral properties of polarobreathers, that is, breathers carrying charge in a one-dimensional ...
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Artículo
Splitting Methods for Semi-Classical Hamiltonian Dynamics of Charge Transfer in Nonlinear Lattices
Bajārs, Jānis; Archilla, Juan F. R. (MDPI, 2022-09-22)We propose two classes of symplecticity-preserving symmetric splitting methods for semi-classical Hamiltonian dynamics of ...