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Topic: Variational method (quantum mechanics)

	Freeman Dyson - Wikipedia, the free encyclopedia
		Freeman John Dyson (born December 15, 1923) is an English-born physicist and mathematician, famous for his work in quantum mechanics, nuclear weapons design and policy, and for his serious theorizing in futurism and science fiction concepts, including the search for extraterrestrial intelligence.
		In the years following the war, Dyson was responsible for demonstrating the equivalence of the two formulations of quantum electrodynamics which existed at the time - Richard Feynman's path integral formulation and the variational methods developed by Julian Schwinger and Sin-Itiro Tomonaga (Dyson operator).
		Therefore, one method of searching for extraterrestrial civilisations would be to look for large objects radiating in the infrared range of the electromagnetic spectrum.
	en.wikipedia.org /wiki/Freeman_Dyson (1284 words)

	ScienceDaily: Algorithm Advance Produces Quantum Calculation Record
		equation, one of the central equations of quantum mechanics.
		Quantum Computers May Be Easier To Build Than Predicted (March 20, 2005) -- A full-scale quantum computer could produce reliable results even if its components performed no better than today's best first-generation prototypes, according to a paper in the March 3 issue in the...
		Quantum tunnelling -- Quantum tunnelling (or tunneling) is the quantum-mechanical effect of transitioning through a classically-forbidden energy state.
	www.sciencedaily.com /releases/2006/03/060320215143.htm (1697 words)

	Edwin F. Taylor - Principle of Least Action
		Not only does the least-action principle offer a means of formulating classical mechanics that is more flexible and powerful than Newtonian mechanics, [but also] variations on the least-action principle have proved useful in general relativity theory, quantum field theory, and particle physics.
		The principle of least action has wide applicability in undergraduate physics education, from mechanics in introductory classes through electricity and magnetism, quantum mechanics, special and general relativity—and it provides a deep foundation for advanced subjects and current research.
		Richard Feynman expressed the quantum mechanics of particle motion in the command, "Explore all paths." In the limit of large mass, this command goes over into Newton's law of motion and the principle of least action.
	www.eftaylor.com /leastaction.html (998 words)

	[No title]
		In the present work, a neural network technique which can recognise complex relationships was employed to develop a quantitative method for estimating the yeild and tensile strengths as a function of steel composition and rolling parameters.
		This method has been used to analyze the relative contributions of the various elements to the mechanical properties.
		The main concerns in solving the optimization problem are the speed and the reliability of the algorithm, as well as the invariance of the algorithm under transformations under which the problem itself is invariant.
	www.inference.phy.cam.ac.uk /mackay/docs/bibs.bib (4288 words)

	Summary of Activities, FY98
		They have treated some basic metal cutting operations as nonlinear dynamical systems that include a mechanism for thermomechanical feedback in the region where the tool tip and workpiece material are in contact.
		The first was hosted by MCSD hosted on August 11-12 in Boulder, CO with government, academic and industrial participants to consider the formation of a consortium for the modeling of electromagnetic scattering.
		He was cited for his work in the application of optimization methods in a wide variety of areas.
	math.nist.gov /mcsd/Reports/98/yearly (9943 words)

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