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Another well-known class of nonspreading waves are solitons. However, the dispersion of solitons is constantly compensated by nonlinearity in the medium. Instead, XWs, as a type of nonspreading wave, are generally formed by Bessel beams and can maintain their shape in the absence of nonlinearity3...
Journal of High Energy Physics Gianluca Calcagni& Leonardo Modesto 89Accesses 3Altmetric Explore all metrics Apreprint versionof the article is available at arXiv. Abstract We propose a testable alternative to inflation directly built in a very general class of ultraviolet complete theories of quantum...
this really helped my class in our unit! MyNameIsNotNecessary (not verified) Sat, 10/18/2014 - 12:37 Permalink Waves This really helped me to do my science projects =) Haven (not verified) Mon, 12/01/2014 - 12:14 Permalink Science ...
Class. Quantum Gravity 21, 4595 (2004) ADS MathSciNet MATH Google Scholar R.V. Wagoner, Scalar-tensor theory and gravitational waves. Phys. Rev. D 1, 3209 (1970) ADS Google Scholar G. Farrugia, J.L. Said, V. Gakis, E.N. Saridakis, Gravitational waves in modified teleparallel ...
A wide class of approximate gravitational wave solutions can be studied by means of Isaacson's high frequency limit7,8. This limit is analogous to the geometric-optics approximation of Maxwell's equations. The analogy between gravitation and electromagnetism goes well beyond this par- ticular ...
J. Chinn - 《Proc Iclass》 被引量: 12发表: 2003年 Surface Gravity Waves due to a Moving Body: Onset of Wave Resistance as a Critical Phenomenon The onset of the wave resistance, R, via generation of surface gravity waves by a long body moving with a velocity V, is considered. We de...
Lesson 3: Properties of waves Unit 7: WAVES Lesson 3: Properties of waves Speed of Waves (affected by medium) During 1 period, the wave travels 1 wavelength. 5 min “Universal Wave Equation” Find: a) The period and the frequency of the waves. Example (Try it!): Bill was sittin...
Often the biggest uncertainties in making predictions are the spatial density and event rate of any particular class of sources. This is not surprising, since our information at present comes from electromagnetic observations, and as our earlier remarks about the differences between the mechanisms of ...
(18) 3 The semiclassical spin fluid and its post-Newtonian approximation Having set out the main aspects of the Blanchet–Damour approach in EC theory, we consider, as a first approach to the description of spin effects inside matter, the class of semi- classical spin fluid models. Before ...