Inhomogeneous plane wave and the most energetic complex ray.

摘要: This paper presents a study on the wave surfaces of anisotropic solids. In addition to classical and real rays, which are defined by normal slowness surfaces, it is obtained complex associated specific inhomogeneous plane waves. Referring Christoffel's equation Fermat's principle, an intrinsic can be these rays. Limiting principal planes plotting shown that four energetic rays always exist in any directions for both quasi-isotropic media (even beyond cusp). Consequently, possible define closed (real or not).