Výsledky vyhledávání

Pulse solutions of the fractional effective models of the Fermi-Pasta-Ulam lattice with long-range interactions

Autor: Ramaz Khomeriki, Thierry Dauxois, Andrea Trombettoni, Jean Pierre Nguenang, Gervais Nazaire Beukam Chendjou, Stefano Ruffo

Publikováno v: Journal of statistical mechanics 2019 (2019). doi:10.1088/1742-5468/ab47fd
info:cnr-pdr/source/autori:Chendjou G.N.B.; Pierre Nguenang J.; Trombettoni A.; Dauxois T.; Khomeriki R.; Ruffo S./titolo:Pulse solutions of the fractional effective models of the Fermi-Pasta-Ulam lattice with long-range interactions/doi:10.1088%2F1742-5468%2Fab47fd/rivista:Journal of statistical mechanics/anno:2019/pagina_da:/pagina_a:/intervallo_pagine:/volume:2019
Journal of Statistical Mechanics: Theory and Experiment
Journal of Statistical Mechanics: Theory and Experiment, IOP Publishing, 2019, 2019 (10), pp.104015. ⟨10.1088/1742-5468/ab47fd⟩
Journal of Statistical Mechanics: Theory and Experiment, 2019, 2019 (10), pp.104015. ⟨10.1088/1742-5468/ab47fd⟩

We study analytical solutions of the Fractional Boussinesq Equation (FBE), which is an effective model for the Fermi-Pasta-Ulam (FPU) one-dimensional lattice with long-range couplings. The couplings decay as a power-law with exponent s, with 1 < s <

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3153a41ca65288f788e9957767d12dec
http://hdl.handle.net/20.500.11767/116497

Zobrazit plný text záznamu

Dissertation/ Thesis

Simulation et analyse modale du transport de chaleur dans les réseaux à dimensionnalité réduite

Autor: Gill-Comeau, Maxime

Externí odkaz: http://hdl.handle.net/1866/20767

Zobrazit plný text záznamu

Classical infrared spectra of ionic crystals and their relevance for statistical mechanics

Autor: Alberto Maiocchi, Luigi Galgani, Andrea Carati, Fabrizio Gangemi, Roberto Gangemi

It was recently shown that the experimental infrared spectra of ionic crystals at room temperature are very well reproduced by classical realistic models, and here new results are reported on the temperature dependence of the spectra, for the LiF cry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1406f4a50c0e6eaca34d00383ca4f73f
http://arxiv.org/abs/1804.00438

Zobrazit plný text záznamu

Fermi-Pasta-Ulam chains with harmonic and anharmonic long-range interactions

Autor: Jean Pierre Nguenang, Andrea Trombettoni, Ramaz Khomeriki, Stefano Ruffo, Gervais Nazaire Beukam Chendjou, Thierry Dauxois

Publikováno v: Communications in Nonlinear Science and Numerical Simulation
Communications in Nonlinear Science and Numerical Simulation, Elsevier, 2018, 60, pp.115-127. ⟨10.1016/j.cnsns.2018.01.006⟩
Communications in nonlinear science & numerical simulation 60 (2018): 115–127. doi:10.1016/j.cnsns.2018.01.006
info:cnr-pdr/source/autori:Chendjou G.N.B.; Nguenang J.P.; Trombettoni A.; Dauxois T.; Khomeriki R.; Ruffo S./titolo:Fermi-Pasta-Ulam chains with harmonic and anharmonic long-range interactions/doi:10.1016%2Fj.cnsns.2018.01.006/rivista:Communications in nonlinear science & numerical simulation/anno:2018/pagina_da:115/pagina_a:127/intervallo_pagine:115–127/volume:60
Communications in Nonlinear Science and Numerical Simulation, 2018, 60, pp.115-127. ⟨10.1016/j.cnsns.2018.01.006⟩

We study the dynamics of Fermi-Pasta-Ulam chains with both harmonic and anharmonic power-law long-range interactions. We show that the dynamics is described in the continuum limit by a generalized fractional Boussinesq differential equation, whose de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8cd487dd1a101e40966eac39d155ec4

Zobrazit plný text záznamu

Numerical studies on boundary effects on the FPU paradox

Autor: Tiziano Penati, Daniele Muraro, Dario Bambusi

Publikováno v: Physics Letters A. 372:2039-2042

We study numerically the dynamics of a chain of particles subjected to an on site restoring nonlinear force and a first neighbor harmonic coupling. We excite the first linear mode and investigate the distribution of the average harmonic energies at m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f10a24c4229ec312bac27906b2f31bf0
https://doi.org/10.1016/j.physleta.2007.11.011

Zobrazit plný text záznamu

Localization of energy in FPU chains

Autor: Antonio Giorgilli, Luisa Berchialla, Luigi Galgani

Publikováno v: Scopus-Elsevier

We revisit the celebrated model of Fermi, Pasta and Ulam with the aim of investigating, by numerical computations, the trend towards equipartition in the thermodynamic limit. We concentrate our attention on a particular class of initial conditions, n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51ceb3af4f70fa89e58a5220c398afee
https://doi.org/10.3934/dcds.2004.11.855

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání