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Significance of Loewner’s Theorem in the Quantum Theory of Collisions

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The Collected Works of Eugene Paul Wigner

Part of the book series: The Collected Works of Eugene Paul Wigner ((2875,volume A / 1))

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Abstract

It can be shown1 that under rather general conditions one can define “components” of the quantum mechanical wave function of a collision system between which relations of the form

EquationSource% MathType!MTEF!2!1!+- % feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamODamaaBa % aaleaacaWG2baabeaakiabg2da9maaqaeabaWaaSbaaSqaaiabeY7a % Tbqabaaabeqab0GaeyyeIuoakiaadkfadaWgaaWcbaGaamODaiabeY % 7aTbqabaGccaWGKbWaaSbaaSqaaiabeY7aTbqabaaaaa!43A4! ]]</EquationSource><EquationSource Format="TEX"><![CDATA[$${v_v} = \sum {_\mu } {R_{v\mu }}{d_\mu }$$
(1)

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References

  1. To be published elsewhere. Cf. also Notes on Lectures on Collision Theory. P. P. Wigner, notes by E. Vogt.

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  2. E. Wigner and L. Eisenbud, Physical Rev. 72, 29 (1947).

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  3. Cf. a discussion of a class of functions which include these of J. A. Shohat and J. D. Tatnarkin. The Problem of Moments. Publication of the American Mathematical Society, New York 1943.

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  4. N. G. Van Kampen, Physical Rev. 89, 1072 (1953), 91, 1267 (1953).

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  5. W. Schutzer and J. Tiomno, Physical Rev. 83, 249 (1951).

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  6. K. Loewner, Ueber monotone Matrix funktionen. Math. Zeits. 38, 177 (1933).

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  7. J. L. W. V. Jensen, Sur les fonctions convexes et les inégalités entre les valeurs moyennes. Acta Mathematica, 30, 175 (1906).

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  8. E. P. Wigner, Amer. Math. Monthly, 59, 669 (1952)

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  9. Cf. e.g. H. S. Wall, Analytic Theory of Continued Fractions (Vau Nostrand 1948), p. 15. The notation of this book will be used as far as possible.

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  10. Cf. O. Perron, Die Lehre von den Kettenbruchen, Teuhner 1913, page 264 if.

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© 1993 Springer-Verlag Berlin Heidelberg

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Wigner, E.P., von Neumann, J. (1993). Significance of Loewner’s Theorem in the Quantum Theory of Collisions. In: Wightman, A.S. (eds) The Collected Works of Eugene Paul Wigner. The Collected Works of Eugene Paul Wigner, vol A / 1. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-02781-3_34

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  • DOI: https://doi.org/10.1007/978-3-662-02781-3_34

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-08154-5

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