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Eugene P. Gross — Approximate solutions of the Liouville equation. III. Variational principles and projection operators
Eugene P. Gross — Approximate solutions of the Liouville equation. III. Variational principles and projection operators

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Название: Approximate solutions of the Liouville equation. III. Variational principles and projection operators

Автор: Eugene P. Gross

Аннотация:

Aspects of stationary variational principles for the Laplace-transformed Liouville equation are discussed. Projection techniques are used to derive new stationary principles applicable to the space orthogonal to the space spanned by functions occurring in the conservation laws. As a result, any trial function automatically leads to results satisfying the conservation laws. The procedure is also applied to the parity-even and parity-odd distributions which obey equations governed by the square of the Liouville operator. The technique is extended to eliminate the one-body additive contribution to the solution exactly. Finally, the ideas of the moment method, which leads to the continued-fraction representation of autocorrelation functions, are applied to variational principles. We find continued-fraction variational principles such that a zero trial function yields the usual representation. However, a trial function representing noninteracting particles contains the results of the moment method and in addition yields the exact analytic behavior for free particles.


Язык: en

Рубрика: Физика/

Тип: Статья

Статус предметного указателя: Неизвестно

ed2k: ed2k stats

Год издания: 1973

Количество страниц: 18

Добавлена в каталог: 08.04.2012

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