Heidelberg 2007 – scientific programme

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MP: Fachverband Theoretische und Mathematische Grundlagen der Physik

MP 3: Klassische Feldtheorie, Klassische Mechanik und Grundlagen der Quantentheorie

MP 3.1: Talk

Tuesday, March 6, 2007, 14:00–14:30, KIP SR 2.404

On a local Concept of Wave Velocities — •Igor Drozdov¹ und Alfons Stahlhofen² — ¹Uni Koblenz, Physik, Universitätsstr. 1, 56070 Koblenz — ²Uni Koblenz, Physik, Universitätsstr. 1, 56070 Koblenz

The classical far field concept of wave velocities has its merits while exhibiting intrinsic difficulties. A general local approach for the definition of velocities and especially phase velocities for waves avoiding these difficulties is proposed. It includes the classical definitions as particular cases and can be applied to waves of an arbitrary structure, and to arbitrary propagation media as well. Applications of the formalism are elucidated and some basic properties of the local concept defined here are discussed.