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Periodic Unequal Potential Minima and Torsion Oscillation of Molecules

Periodic Unequal Potential Minima and Torsion Oscillation of Molecules mental ones and would be inclined to look upon the de- parture from the natural order Na, K, . . . as unreal. In this connection another point must be discussed, viz., the magnitude of A. The elementary theory can make no predictions about the free path and must turn to wave me- chanics for information about this point. The latter leads us to expect as the simplest possible law: I proportional to the square of the kinetic energy of the electron. From this it follows from Eq. (1) that A=3. This value has been used in constructing Table I. One can also readily see (compare Bethe, loc. No. 50a) that the above law relating I and A must hold for and only for the alkalis. In the same manner as for the Thomson effect, the thermoelectric power of the alkalis may be calculated from the elementary theory, especially for the liquid state (Li excepted). It seems very noteworthy to me that such simple formulas as Eq. (1) (the formula for the thermoelectric effect is quite similar), at least for the simplest metals, can predict the sign, order and magnitude approximately cor- rectly for these complicated effects. To http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review American Physical Society (APS)

Periodic Unequal Potential Minima and Torsion Oscillation of Molecules

Wu, Ta-You
Physical Review , Volume 45 (1) – Jan 1, 1934
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Publisher
American Physical Society (APS)
Copyright
Copyright © 1934 The American Physical Society
ISSN
1536-6065
DOI
10.1103/PhysRev.45.66.2
Publisher site
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Abstract

mental ones and would be inclined to look upon the de- parture from the natural order Na, K, . . . as unreal. In this connection another point must be discussed, viz., the magnitude of A. The elementary theory can make no predictions about the free path and must turn to wave me- chanics for information about this point. The latter leads us to expect as the simplest possible law: I proportional to the square of the kinetic energy of the electron. From this it follows from Eq. (1) that A=3. This value has been used in constructing Table I. One can also readily see (compare Bethe, loc. No. 50a) that the above law relating I and A must hold for and only for the alkalis. In the same manner as for the Thomson effect, the thermoelectric power of the alkalis may be calculated from the elementary theory, especially for the liquid state (Li excepted). It seems very noteworthy to me that such simple formulas as Eq. (1) (the formula for the thermoelectric effect is quite similar), at least for the simplest metals, can predict the sign, order and magnitude approximately cor- rectly for these complicated effects. To

Journal

Physical Review – American Physical Society (APS)

Published: Jan 1, 1934

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