Titlebook: Atom Tunneling Phenomena in Physics, Chemistry and Biology; Tetsuo Miyazaki Book 2004 Springer-Verlag Berlin Heidelberg 2004 chemistry.cry

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Fascinating Aspects of Tunneling Reactions in Organic Substances subjects of hydrogen-atom or hydrogen-molecule tunneling will be described in this chapter. The first subject is a highly selective reaction by use of a tunneling reaction. A selective reaction is one of the significant targets in chemical synthesis in order to obtain only one desirable product. In

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Production of Interstellar Molecules and Amorphous Semiconductors by Atom Tunneling Reactionre 9.1 shows the evolution of the universe. Dense interstellar clouds are the birth places of stars of all masses and their planetary systems. Interstellar molecules and dust become the building blocks for protostellar disks, from which planets, comets, asteroids, and other macroscopic bodies eventu

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Atom Tunneling and Molecular Structures (Bountis 1991). Proton transfer dynamics have been extensively studied, and it has been shown that proton transfer cannot be well described by a one-dimensional potential along the reaction coordinate in many polyatomic molecules. When a potential barrier exists along the reaction coordinate the m

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Atom Tunneling and Crystalline Structureect from those discussed in other chapters. When we discuss the tunnel effect in rate processes, as we do with chemical reactions at low temperature (cf. Chap. 4), the alpha decay of a radioactive nucleus (Bohm 1951) or tunnel current in the Esaki diode (Solymar and Walsh 1993), mere observation of

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Atom Tunneling Reaction of Vitamin E in Antioxidant, Prooxidant and Regeneration Reactions the rate of oxygen consumption per unit body weight in mammalian species (Cutler 1984). Agelessness is located at infinity on the ordinate. As shown in Fig. 13.1, the lifetime of mammalian species is inversely proportional to the rate of oxygen consumption; as the oxygen consumption increases, the

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Atom Tunneling Phenomena in Quantum Solid and Liquid HeliumIn general, the tunneling rate of a particle depends strongly on its mass and the potential height. Since the mass of the electron is very small, there are many examples of tunneling phenomena in electron systems, for example, field emission from a metal surface and the Josephson tunneling of superconducting electron pairs through a weak link.

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