Sten, Johan C.-E.; Essén, Hanno On a tendency of the magnetic field to maximise its energy. (English) Zbl 07670104 Eur. J. Phys. 40, No. 3, Article ID 035202, 9 p. (2019). MSC: 81-XX 78-XX PDFBibTeX XMLCite \textit{J. C. E. Sten} and \textit{H. Essén}, Eur. J. Phys. 40, No. 3, Article ID 035202, 9 p. (2019; Zbl 07670104) Full Text: DOI
Nordmark, Arne; Essén, Hanno Reply to “Comment on ‘An impacting linear three body system”’. (English) Zbl 1433.70019 Eur. J. Phys. 39, No. 3, Article ID 038002, 1 p. (2018). MSC: 70F07 70F35 PDFBibTeX XMLCite \textit{A. Nordmark} and \textit{H. Essén}, Eur. J. Phys. 39, No. 3, Article ID 038002, 1 p. (2018; Zbl 1433.70019) Full Text: DOI
Essén, Hanno; Nordmark, Arne A simple model for the falling cat problem. (English) Zbl 1430.70011 Eur. J. Phys. 39, No. 3, Article ID 035004, 8 p. (2018). MSC: 70E15 70E55 PDFBibTeX XMLCite \textit{H. Essén} and \textit{A. Nordmark}, Eur. J. Phys. 39, No. 3, Article ID 035004, 8 p. (2018; Zbl 1430.70011) Full Text: DOI
Essén, Hanno An exact formula for electromagnetic momentum in terms of the charge density and the Coulomb gauge vector potential. (English) Zbl 1390.78010 Eur. J. Phys. 39, No. 2, Article ID 025202, 9 p. (2018). MSC: 78A25 70S05 70S15 PDFBibTeX XMLCite \textit{H. Essén}, Eur. J. Phys. 39, No. 2, Article ID 025202, 9 p. (2018; Zbl 1390.78010) Full Text: DOI
Nordmark, Arne; Essén, Hanno An impacting linear three body system. (English) Zbl 1390.70018 Eur. J. Phys. 39, No. 1, Article ID 015001, 14 p. (2018). MSC: 70F07 70F35 PDFBibTeX XMLCite \textit{A. Nordmark} and \textit{H. Essén}, Eur. J. Phys. 39, No. 1, Article ID 015001, 14 p. (2018; Zbl 1390.70018) Full Text: DOI
Essén, Hanno Comment on “Modeling the magnetic dipole”. (English) Zbl 1351.78011 Eur. J. Phys. 37, No. 5, Article ID 058001 2 p. (2016). MSC: 78A30 78M16 PDFBibTeX XMLCite \textit{H. Essén}, Eur. J. Phys. 37, No. 5, Article ID 058001 2 p. (2016; Zbl 1351.78011) Full Text: DOI
Essén, Hanno; Nordmark, Arne B. Relativistic version of the Feynman-Dyson-Hughes derivation of the Lorentz force law and Maxwell’s homogeneous equations. (English) Zbl 1349.78013 Eur. J. Phys. 37, No. 5, Article ID 055201 8 p. (2016). MSC: 78A25 35Q61 PDFBibTeX XMLCite \textit{H. Essén} and \textit{A. B. Nordmark}, Eur. J. Phys. 37, No. 5, Article ID 055201 8 p. (2016; Zbl 1349.78013) Full Text: DOI
Essén, Hanno; Stén, Johan C.-E. A new look at the pushing force of an electromagnetic wave on a classical charged particle. (English) Zbl 1332.78012 Eur. J. Phys. 36, No. 5, Article ID 055029, 14 p. (2015). MSC: 78A35 PDFBibTeX XMLCite \textit{H. Essén} and \textit{J. C. E. Stén}, Eur. J. Phys. 36, No. 5, Article ID 055029, 14 p. (2015; Zbl 1332.78012) Full Text: DOI
Essén, Hanno Gravitationally bound ideal gas sphere in Newtonian and in Einsteinian gravity. (English) Zbl 1307.80001 Eur. J. Phys. 35, No. 6, Article ID 065003, 8 p. (2014). MSC: 80A10 76Y05 83C15 PDFBibTeX XMLCite \textit{H. Essén}, Eur. J. Phys. 35, No. 6, Article ID 065003, 8 p. (2014; Zbl 1307.80001) Full Text: DOI
Essén, Hanno Mechanics, cosmology and Mach’s principle. (English) Zbl 1266.83185 Eur. J. Phys. 34, No. 1, 139-145 (2013). MSC: 83F05 PDFBibTeX XMLCite \textit{H. Essén}, Eur. J. Phys. 34, No. 1, 139--145 (2013; Zbl 1266.83185) Full Text: DOI arXiv
Nordmark, Arne B.; Essén, Hanno The comfortable roller coaster-on the shape of tracks with a constant normal force. (English) Zbl 1202.70117 Eur. J. Phys. 31, No. 6, 1307-1317 (2010). MSC: 70K30 PDFBibTeX XMLCite \textit{A. B. Nordmark} and \textit{H. Essén}, Eur. J. Phys. 31, No. 6, 1307--1317 (2010; Zbl 1202.70117) Full Text: DOI arXiv
Essén, Hanno; Nordmark, Arne Static deformation of a heavy spring due to gravity and centrifugal force. (English) Zbl 1423.74335 Eur. J. Phys. 31, No. 3, 603-609 (2010). MSC: 74G10 74G65 PDFBibTeX XMLCite \textit{H. Essén} and \textit{A. Nordmark}, Eur. J. Phys. 31, No. 3, 603--609 (2010; Zbl 1423.74335) Full Text: DOI arXiv
Essén, Hanno From least action in electrodynamics to magnetomechanical energy-a review. (English) Zbl 1170.78300 Eur. J. Phys. 30, No. 3, 515-539 (2009). MSC: 78-02 78Axx PDFBibTeX XMLCite \textit{H. Essén}, Eur. J. Phys. 30, No. 3, 515--539 (2009; Zbl 1170.78300) Full Text: DOI arXiv
Essén, Hanno; Apazidis, Nicholas Turning points of the spherical pendulum and the golden ratio. (English) Zbl 1161.70015 Eur. J. Phys. 30, No. 2, 427-432 (2009). MSC: 70K99 PDFBibTeX XMLCite \textit{H. Essén} and \textit{N. Apazidis}, Eur. J. Phys. 30, No. 2, 427--432 (2009; Zbl 1161.70015) Full Text: DOI
Nordmark, Arne; Essén, Hanno The skipping rope curve. (English) Zbl 1128.70309 Eur. J. Phys. 28, No. 2, 241-247 (2007). MSC: 70K05 PDFBibTeX XMLCite \textit{A. Nordmark} and \textit{H. Essén}, Eur. J. Phys. 28, No. 2, 241--247 (2007; Zbl 1128.70309) Full Text: DOI
Essén, Hanno Electrodynamic model connecting superconductor response to magnetic field and to rotation. (English) Zbl 1111.78300 Eur. J. Phys. 26, No. 2, 279-285 (2005). MSC: 78A25 82D55 PDFBibTeX XMLCite \textit{H. Essén}, Eur. J. Phys. 26, No. 2, 279--285 (2005; Zbl 1111.78300) Full Text: DOI Link
Essén, Hanno Note on the relativistic elastic head-on collision. (English) Zbl 1005.83005 Eur. J. Phys. 23, No. 5, 565-568 (2002). MSC: 83A05 83C55 PDFBibTeX XMLCite \textit{H. Essén}, Eur. J. Phys. 23, No. 5, 565--568 (2002; Zbl 1005.83005) Full Text: DOI
Essén, Hanno On the equilateral triangle solution to the three-body problem. (English) Zbl 0998.70008 Eur. J. Phys. 21, No. 6, 579-590 (2000). MSC: 70F07 70F10 PDFBibTeX XMLCite \textit{H. Essén}, Eur. J. Phys. 21, No. 6, 579--590 (2000; Zbl 0998.70008) Full Text: DOI