THE DESCRIPTION OF A PROBLEM in physics can often be significantly simplified by a suitable choice of coordinates. Usually the choice of the best coördinates is dictated by the symmetry of the problem. Thus for a spherically symmetric potential it is most convenient to use spherical coordinates. In some cases it is very easy to choose the right coordinates; in other cases, the problem is not trivial at all. Here we will discuss the choice of suitable coördinates for the motion of electrons in solids.
Topics
Electron solids
REFERENCES
1.
P. A. M. Dirac, The Principles of Quantum Mechanics, Oxford University Press, New York, N.Y. (1958).
2.
L. D. Landau, E. M. Lifshitz, Quantum Mechanics, Pergamon Press, London (1958).
3.
C. Kittel, Quantum Theory of Solids, John Wiley & Sons, New York, N.Y. (1963).
4.
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L. D. Landau, E. M. Lifshitz, Statistical Physics, Pergamon Press, London (1958).
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J. Zak, Physics Letters (to be published);
Phys. Rev. (to be published).
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© 1970 American Institute of Physics.
1970
American Institute of Physics
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