A Neutral Atom Moving in an External Magnetic Field Does Not Feel a Lorentz Force
American Journal of Modern Physics
Volume 6, Issue 6, November 2017, Pages: 153-155
Received: Nov. 8, 2017; Accepted: Nov. 28, 2017; Published: Dec. 20, 2017
Views 701      Downloads 39
Manfred Fähnle, Max Plank Institute for Intelligent Systems, Heisenbergstr, Stut
Article Tools
Follow on us
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.
Lorentz Force on Charged Particle, Lorentz Force on Neutral Atom, Expectation Values of Velocities
To cite this article
Manfred Fähnle, A Neutral Atom Moving in an External Magnetic Field Does Not Feel a Lorentz Force, American Journal of Modern Physics. Vol. 6, No. 6, 2017, pp. 153-155. doi: 10.11648/j.ajmp.20170606.17
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
L. D. J. Griffiths, Introduction to electrodynamics, 3rd ed. (Pearson/Benjamin Cummings, San Francisco, 2008) 'International Edition'-Cover.
J. D. Jackson, Classical Electrodynamics, 3rd ed., New York, 1989.
L. Zhang and Q. Niu, Angular momentum of phonons and the Einstein-de Haas effect, Phys. Rev. Letters 112, 085503 - 085507 (2014).
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).
A. Svane and O. Gunnarson, Transition-metal oxides in the self-interaction corrected density-functional theory, Phys. Rev. Letters 65, 1148 - 1151 (1990).
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).
A. McLellan, The quantum theory of crystal deformations: The harmonic approximation and rotational invariance, J. Phys. C: Solid State Phys. 21, 1177 (1988).
P. Ehrenfest, Bemerkung über die angenäherte Gültigkeit der klassischen Mechanik innerhalb der Quantenmechanik, Zeitschrift für Physik 45, 455 - 457 (1927).
A. Messiah, Quantum Mechanics, Elsevier, North Holland, Amsterdam, 1962.
W. Kohn and L. J. Sham, Self-Consistent Equations including Exchange and Correlation Effects, Phys. Rev. 140, A1133 - A1138 (1965).
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).
J. E. Rosenthal and G. M. Murphy, Group Theory and the Vibrations of Polyatomic Molecules, Rev. Mod. Phys. 8, 317 - 346 (1936).
Science Publishing Group
NEW YORK, NY 10018
Tel: (001)347-688-8931