Category Archives: Waves & Wave Mechanics

Autosolitons: A New Approach to Problems of

B.S. Kerner

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Light within an optical fibre striking the boundary between the fibre and the cladding of lower refractive index will be refracted only if the angle of incidence is less than the critical angle (see earlier). Massy particles go through a classical-to-quantum transition. However, the procedure simplifies if a number of approximations, Figure 3.4: Bending of a ray of light as it passes through a prism. collectively called the thin lens approximation, are valid.

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Extreme Waves

Craig B. Smith

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If we now let the step width go to zero, these equations then become valid for U continuously variable in x. This reults in two surface waves, crests and troughs colliding and interfering. Mostly you will meet me, Jeff Boyd, a psychiatrist who happens to be Little’s cousin. In which one of the following locations can a person hear the echo of a sound? 69. There are no exact impulses just as there are no pure tones. Similarly, for events separated by a timelike interval, the proper time is just the time between two events in a reference frame in which the two events are collocated.

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Non-Perturbative Quantum Field Theory: Mathematical Aspects

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By observing the change in the behavior of objects when some parameter governing their behavior changes, physics of the process can come home. Simone Giombi PHY 207Mechanics and Waves(STN)This course covers wave phenomena, both classical and quantum, and it also includes an account of special relativity and introductory aspects of statistical physics. Is the human effect greater for the physicist's first decision, because it occurs at the level of individual wave/particles, than for his other “reality creating” decision?

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Ultra Wideband Signals and Systems in Communication

M. Ghavami

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Gravity is an attractive interaction between two objects that have mass, it depends on their distance. However, all possible Bragg scattering angles are seen at once, which can lead to confusion in the interpretation of the results. Now I'm going to immediately jerk it back down. Yes, but even more recently we’ve learned that space is not empty, that space is something, not simply the absence of things. Metadata instance created June 17, 2005 by Blake Laing This resource is part of a Physics Front Topical Unit.

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Search for a Supertheory: From Atoms to Superstrings

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By now, it was clear that light could behave both as a wave and a particle, placing light's "wave-particle duality" into the foundation of QM. A region of increased pressure on a sound wave is called a compression (or condensation). The human eye is a lens which focuses images on a screen called the retina. But it’s not the case in quantum mechanics! Now, the position of a wave function is distributed in space. If determinism is real, God exists as the Hidden Variable that stops the infinite regress of causes.

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Vibrations and Waves in Physics

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When this happens, the Sun casts a shadow on the other side of one's hand. Of course, nobody has seen the quantum superposition of a baseball or anything anywhere near that size. I was wondering about something while studying quantum mechanics. Figure 2.14: Plot of the displacement field h(x, y) from equation (2.20) for αmax = 0.2 and k = 1. Sketch a graph of displacement y as a function of x for t = -T/4, t = T/4, and t = T/2, where T is the period of the wave. For example, figure 1.9 shows the results of superimposing 20 sine waves with wavenumbers k = 0.4m, m = 1, 2,. .. , 20, where the amplitudes of the waves are largest for wavenumbers near k = 4.

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Optical Solitons in Fibers (Springer Series in Photonics)

Akira Hasegawa

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Broglie also got Physics Noble Prize for his this theory. And if you give all those values, you've got the function. What we know about the cat does not determine what the cat is, and the sequence of events that determines "what the cat is" (dead or alive) occurs quickly and irreversibly due to quantum decoherence. In this chapter we learn first about the basic properties of waves and introduce a special type of wave called the sine wave.

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Linear Water Waves: A Mathematical Approach

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I thought that was pretty neat, but the first step in our analysis involved calculating a time dependent wavefunction. Wavelength is also measured in metres (m) - it is a length after all. Of course, nobody has seen the quantum superposition of a baseball or anything anywhere near that size. Information can be transmitted by varying the intensity of light or infra-red radiation travelling through a transparent glass or plastic fibre. When we do this we find very obvious and simple solutions to many of these Quantum Physics problems.

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Quantum Symmetries/Symétries Quantiques, Volume 64 (Les

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Crest of wave: high point of wave motion. While d'Alembert's equation was correct, it was overly simplistic. Schrodinger reached Oxford on November 04, 1933. The site is always in development and we are adding new material all the time. So it really has transformed life in a very profound way. Lepton: particle that interacts with other particles only by the electroweak and gravitational interactions. Serial rather than parallel data transfer keeps the number of fibres to a minimum.

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Vortex Flows and Related Numerical Methods (Nato Science

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This follows from a proof of Von Neumann in the 1930s, which demonstrated that ‘Hidden Variables’ cannot exist. ‘Hidden Variables’ is the reductionist view that there exists an underlying physical explanation for quantum mechanics, but it is hidden from view. The wave vectors of the two waves are k1 = (−0.1, 1.0) and k2 = (0.1, 0.9). In the future, Anderson and his collaborators plan to study the behavior of “rotons” (particle-like excitations) in superfluid helium as an even closer analog of this possible “superfluid model of reality.” But at present, these connections with quantum gravity are speculative, and for young researchers, risky ideas.

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