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A Neutral Atom Moving in an External Magnetic Field Does Not Feel a Lorentz Force

Received: 8 November 2017     Accepted: 28 November 2017     Published: 20 December 2017
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Abstract

A Lorentz force is generally exerted on a moving charged particle in an external magnetic field. But it is often asked whether also a neutral atom can feel a Lorentz force when moving straightly in an external magnetic field. It is shown that this is definitely not the case.

Published in American Journal of Modern Physics (Volume 6, Issue 6)
DOI 10.11648/j.ajmp.20170606.17
Page(s) 153-155
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Lorentz Force on Charged Particle, Lorentz Force on Neutral Atom, Expectation Values of Velocities

References
[1] L. D. J. Griffiths, Introduction to electrodynamics, 3rd ed. (Pearson/Benjamin Cummings, San Francisco, 2008) 'International Edition'-Cover.
[2] J. D. Jackson, Classical Electrodynamics, 3rd ed., New York, 1989.
[3] L. Zhang and Q. Niu, Angular momentum of phonons and the Einstein-de Haas effect, Phys. Rev. Letters 112, 085503 - 085507 (2014).
[4] T. Tsatsoulis, C. Illg, M. Haag, B. Y. Mueller, L. Zhang, and M. Fähnle, Ultrafast demagnetization after femtosecond laser pulses: Transfer of angular momentum from the electron system to magnetoelastic spin-phonon modes, Phys. Rev. B 93, 134411–134417 (2016).
[5] A. Svane and O. Gunnarson, Transition-metal oxides in the self-interaction corrected density-functional theory, Phys. Rev. Letters 65, 1148 - 1151 (1990).
[6] W. M. Temmermann, Z. Szotek and H. Winter, Band-structure method for 4f electrons in elemental Pr metal, Phys. Rev. B 47, 1184 - 1189 (1993).
[7] A. McLellan, The quantum theory of crystal deformations: The harmonic approximation and rotational invariance, J. Phys. C: Solid State Phys. 21, 1177 (1988).
[8] P. Ehrenfest, Bemerkung über die angenäherte Gültigkeit der klassischen Mechanik innerhalb der Quantenmechanik, Zeitschrift für Physik 45, 455 - 457 (1927).
[9] A. Messiah, Quantum Mechanics, Elsevier, North Holland, Amsterdam, 1962.
[10] W. Kohn and L. J. Sham, Self-Consistent Equations including Exchange and Correlation Effects, Phys. Rev. 140, A1133 - A1138 (1965).
[11] H. Lehmann and N. H. March, The hydrogen atom in intense magnetic field: Excitons in one and three dimensions, Pure & Applied Chem. 57, 457 - 462 (1995).
[12] J. E. Rosenthal and G. M. Murphy, Group Theory and the Vibrations of Polyatomic Molecules, Rev. Mod. Phys. 8, 317 - 346 (1936).
Cite This Article
  • APA Style

    Manfred Fähnle. (2017). A Neutral Atom Moving in an External Magnetic Field Does Not Feel a Lorentz Force. American Journal of Modern Physics, 6(6), 153-155. https://doi.org/10.11648/j.ajmp.20170606.17

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    ACS Style

    Manfred Fähnle. A Neutral Atom Moving in an External Magnetic Field Does Not Feel a Lorentz Force. Am. J. Mod. Phys. 2017, 6(6), 153-155. doi: 10.11648/j.ajmp.20170606.17

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    AMA Style

    Manfred Fähnle. A Neutral Atom Moving in an External Magnetic Field Does Not Feel a Lorentz Force. Am J Mod Phys. 2017;6(6):153-155. doi: 10.11648/j.ajmp.20170606.17

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  • @article{10.11648/j.ajmp.20170606.17,
      author = {Manfred Fähnle},
      title = {A Neutral Atom Moving in an External Magnetic Field Does Not Feel a Lorentz Force},
      journal = {American Journal of Modern Physics},
      volume = {6},
      number = {6},
      pages = {153-155},
      doi = {10.11648/j.ajmp.20170606.17},
      url = {https://doi.org/10.11648/j.ajmp.20170606.17},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmp.20170606.17},
      abstract = {A Lorentz force is generally exerted on a moving charged particle in an external magnetic field. But it is often asked whether also a neutral atom can feel a Lorentz force when moving straightly in an external magnetic field. It is shown that this is definitely not the case.},
     year = {2017}
    }
    

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