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Wave Vector |
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wave vector [′wāv ‚vek·tər]
(physics) A vector whose direction is the direction of phase propagation of a wave at each point in space, and whose magnitude is sometimes set at 2π/λ and sometimes at 1/λ, where λ is the wavelength. Wave Vector the vector k, whose direction coincides with the direction of propagation of a traveling wave; it is numerically equal to the wave number. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | This concurs with Schrodinger solutions showing a negative energy increase with barrier length, [DELTA]d, while the imaginary eigen-value of the wavevector [kappa] is constant, independent of barrier length (the Hartman effect)). However, the development of light-scattering and neutron-scattering techniques showed not only that such relaxation times could be measured with accurateness, but that they were dependent on the wavevector in such a way that nonlocal effects should be taken into consideration. np][lambda]d, (11) where [DELTA][phi] is the phase shift, n is the real part of the index of refraction, k is the wavevector, N is the atomic density, [lambda] is the neutron wavelength, and d is the path length that the neutron beam traverses through the [H. |
Wavevector |
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