Fernández, Francisco M. Variational approach to the Schrödinger equation with a delta-function potential. (English) Zbl 1521.81066 Eur. J. Phys. 43, No. 2, Article ID 025401, 7 p. (2022). MSC: 81Q05 81Q15 65M60 35G15 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 43, No. 2, Article ID 025401, 7 p. (2022; Zbl 1521.81066) Full Text: DOI arXiv
Fernández, Francisco M. Comment on: “Improving series convergence: the simple pendulum and beyond”. (English) Zbl 1516.40003 Eur. J. Phys. 42, No. 2, Article ID 028007, 4 p. (2021). MSC: 40A05 65B10 30B10 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 42, No. 2, Article ID 028007, 4 p. (2021; Zbl 1516.40003) Full Text: DOI
Amore, Paolo; Fernández, Francisco M. On the straightforward perturbation theory in classical mechanics. (English) Zbl 1421.70012 Eur. J. Phys. 39, No. 5, Article ID 055001, 9 p. (2018). MSC: 70E20 70H09 70K60 97M50 PDFBibTeX XMLCite \textit{P. Amore} and \textit{F. M. Fernández}, Eur. J. Phys. 39, No. 5, Article ID 055001, 9 p. (2018; Zbl 1421.70012) Full Text: DOI arXiv
Fernández, Francisco M. Exceptional point in a simple textbook example. (English) Zbl 1408.70016 Eur. J. Phys. 39, No. 4, Article ID 045005, 6 p. (2018). MSC: 70J35 34A30 97M50 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 39, No. 4, Article ID 045005, 6 p. (2018; Zbl 1408.70016) Full Text: DOI arXiv
Fernández, Francisco M. The Kronecker product and some of its physical applications. (English) Zbl 1351.47011 Eur. J. Phys. 37, No. 6, Article ID 065403, 11 p. (2016). MSC: 47A80 15A69 15A66 81P05 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 37, No. 6, Article ID 065403, 11 p. (2016; Zbl 1351.47011) Full Text: DOI Link
Fernández, Francisco M. On the numerical solution of the one-dimensional Schrödinger equation. (English) Zbl 1338.81185 Eur. J. Phys. 37, No. 3, Article ID 035402, 7 p. (2016). MSC: 81Q05 81T80 34L40 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 37, No. 3, Article ID 035402, 7 p. (2016; Zbl 1338.81185) Full Text: DOI
Fernández, Francisco M. A simple way of approximating the canonical partition functions in statistical mechanics. (English) Zbl 1332.82032 Eur. J. Phys. 36, No. 5, Article ID 055026, 8 p. (2015). MSC: 82B30 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 36, No. 5, Article ID 055026, 8 p. (2015; Zbl 1332.82032) Full Text: DOI arXiv Link
Fernández, Francisco M. Resonances for symmetric two-barrier potentials. (English) Zbl 1263.81187 Eur. J. Phys. 32, No. 6, 1719-1729 (2011). MSC: 81Q10 81Q05 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 32, No. 6, 1719--1729 (2011; Zbl 1263.81187) Full Text: DOI arXiv
Fernández, Francisco M. Wronskian method for bound states. (English) Zbl 1221.81051 Eur. J. Phys. 32, No. 3, 723-732 (2011). MSC: 81Q05 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 32, No. 3, 723--732 (2011; Zbl 1221.81051) Full Text: DOI arXiv
Fernández, Francisco M. Simple one-dimensional quantum-mechanical model for a particle attached to a surface. (English) Zbl 1206.81036 Eur. J. Phys. 31, No. 4, 961-967 (2010). MSC: 81Q05 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 31, No. 4, 961--967 (2010; Zbl 1206.81036) Full Text: DOI arXiv
Fernández, Francisco M. Variational treatment of the confined hydrogen atom with a moving nucleus. (English) Zbl 1189.81272 Eur. J. Phys. 31, No. 3, 611-616 (2010). MSC: 81V45 81Q05 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 31, No. 3, 611--616 (2010; Zbl 1189.81272) Full Text: DOI arXiv
Fernández, Francisco M. The confined hydrogen atom with a moving nucleus. (English) Zbl 1187.81218 Eur. J. Phys. 31, No. 2, 285-290 (2010). MSC: 81V45 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 31, No. 2, 285--290 (2010; Zbl 1187.81218) Full Text: DOI arXiv
Amore, Paolo; Fernández, Francisco M. One-dimensional oscillator in a box. (English) Zbl 1188.81056 Eur. J. Phys. 31, No. 1, 69-77 (2010). MSC: 81Q05 81-01 PDFBibTeX XMLCite \textit{P. Amore} and \textit{F. M. Fernández}, Eur. J. Phys. 31, No. 1, 69--77 (2010; Zbl 1188.81056) Full Text: DOI
Amore, Paolo; Raya, Alfredo; Fernández, Francisco M. Altenative perturbation approaches in classical mechanics. (English) Zbl 1080.70014 Eur. J. Phys. 26, No. 6, 1057-1063 (2005). MSC: 70K60 PDFBibTeX XMLCite \textit{P. Amore} et al., Eur. J. Phys. 26, No. 6, 1057--1063 (2005; Zbl 1080.70014) Full Text: DOI arXiv
Fernández, F. M. On the Magnus, Wilcox and Fer operator equations. (English) Zbl 1065.81546 Eur. J. Phys. 26, No. 1, 151-155 (2005). MSC: 81Q15 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 26, No. 1, 151--155 (2005; Zbl 1065.81546) Full Text: DOI
Fernández, Francisco M. Variationally improved perturbation theory for central-field models. (English) Zbl 1046.81035 Eur. J. Phys. 24, No. 3, 289-296 (2003). MSC: 81Q15 81V45 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 24, No. 3, 289--296 (2003; Zbl 1046.81035) Full Text: DOI
Fernández, Francisco M. A class of exactly solvable models in quantum mechanics. (English) Zbl 0984.81033 Eur. J. Phys. 22, No. 4, 329-336 (2001). MSC: 81Q05 PDFBibTeX XMLCite \textit{F. M. Fernández}, Eur. J. Phys. 22, No. 4, 329--336 (2001; Zbl 0984.81033) Full Text: DOI