Tunnelling In Molecules

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Tunnelling in Molecules

Author : Johannes Kästner
Publisher : Royal Society of Chemistry
ISBN 13 : 1839160381
Total Pages : 453 pages
Book Rating : 4.8/5 (391 download)

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Book Synopsis Tunnelling in Molecules by : Johannes Kästner

Download or read book Tunnelling in Molecules written by Johannes Kästner and published by Royal Society of Chemistry. This book was released on 2020-09-22 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum tunnelling is one of the strangest phenomena in chemistry, where we see the wave nature of atoms acting in “impossible” ways. By letting molecules pass through the kinetic barrier instead of over it, this effect can lead to chemical reactions even close to the absolute zero, to atypical spectroscopic observations, to bizarre selectivity, or to colossal isotopic effects. Quantum mechanical tunnelling observations might be infrequent in chemistry, but it permeates through all its disciplines producing remarkable chemical outcomes. For that reason, the 21st century has seen a great increase in theoretical and experimental findings involving molecular tunnelling effects, as well as in novel techniques that permit their accurate predictions and analysis. Including experimental, computational and theoretical chapters, from the physical and organic to the biochemistry fields, from the applied to the academic arenas, this new book provides a broad and conceptual perspective on tunnelling reactions and how to study them. Quantum Tunnelling in Molecules is the obligatory stop for both the specialist and those new to this world.

Quantum Mechanical Tunneling in Chemical Physics

Author : Hiroki Nakamura
Publisher : CRC Press
ISBN 13 : 1466507322
Total Pages : 225 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Quantum Mechanical Tunneling in Chemical Physics by : Hiroki Nakamura

Download or read book Quantum Mechanical Tunneling in Chemical Physics written by Hiroki Nakamura and published by CRC Press. This book was released on 2016-04-19 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum mechanical tunneling plays important roles in a wide range of natural sciences, from nuclear and solid-state physics to proton transfer and chemical reactions in chemistry and biology. Responding to the need for further understanding of multidimensional tunneling, the authors have recently developed practical methods that can be applied to

Atom Tunneling Phenomena in Physics, Chemistry and Biology

Author : Tetsuo Miyazaki
Publisher : Springer Science & Business Media
ISBN 13 : 9783540015260
Total Pages : 332 pages
Book Rating : 4.0/5 (152 download)

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Book Synopsis Atom Tunneling Phenomena in Physics, Chemistry and Biology by : Tetsuo Miyazaki

Download or read book Atom Tunneling Phenomena in Physics, Chemistry and Biology written by Tetsuo Miyazaki and published by Springer Science & Business Media. This book was released on 2004-01-13 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atom tunneling phenomena are a new paradigm in the science of materials. This book provides a wealth of interesting information about atom tunneling phenomena in physics, chemistry and biology. Topics include the theory of atom tunneling reactions, conclusive evidence and controlling factors for such reactions in solid hydrogen, tunneling dislocation motion, coherent tunneling diffusion, the production of interstellar molecules and semiconductors using tunneling reactions, the effect of atom tunneling on molecular structure and crystalline structure, the suppression of mutation and cancer by an atom tunneling reaction of vitamin C, and atom tunneling reactions of vitamin E and of enzymes. This book provides graduate students and nonspecialist readers with fascinating insights into the world of atom tunneling phenomena.

Principles of Electron Tunneling Spectroscopy

Author : E. L. Wolf
Publisher : Oxford University Press
ISBN 13 : 0199589496
Total Pages : 617 pages
Book Rating : 4.1/5 (995 download)

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Book Synopsis Principles of Electron Tunneling Spectroscopy by : E. L. Wolf

Download or read book Principles of Electron Tunneling Spectroscopy written by E. L. Wolf and published by Oxford University Press. This book was released on 2012 with total page 617 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron tunnelling spectroscopy as a research tool has strongly advanced understanding of superconductivity. This book explains the physics and instrumentation behind the advances illustrated in beautiful images of atoms, rings of atoms and exotic states in high temperature superconductors, and summarizes the state of knowledge that has resulted.

Molecular Spectroscopy and Quantum Dynamics

Author : Roberto Marquardt
Publisher : Elsevier
ISBN 13 : 0128172355
Total Pages : 376 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Molecular Spectroscopy and Quantum Dynamics by : Roberto Marquardt

Download or read book Molecular Spectroscopy and Quantum Dynamics written by Roberto Marquardt and published by Elsevier. This book was released on 2020-09-18 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular Spectroscopy and Quantum Dynamics, an exciting new work edited by Professors Martin Quack and Roberto Marquardt, contains comprehensive information on the current state-of-the-art experimental and theoretical methods and techniques used to unravel ultra-fast phenomena in atoms, molecules and condensed matter, along with future perspectives on the field. - Contains new insights into the quantum dynamics and spectroscopy of electronic and nuclear motion - Presents the most recent developments in the detection and interpretation of ultra-fast phenomena - Includes a discussion of the importance of these phenomena for the understanding of chemical reaction dynamics and kinetics in relation to molecular spectra and structure

Tunneling Phenomena in Chemical Physics

Author : V.I. Gol'danskii
Publisher : Routledge
ISBN 13 : 1351406701
Total Pages : 345 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Tunneling Phenomena in Chemical Physics by : V.I. Gol'danskii

Download or read book Tunneling Phenomena in Chemical Physics written by V.I. Gol'danskii and published by Routledge. This book was released on 2021-10-15 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surveys the contemporary concepts and theoretical and experimental results of tunneling processes. Examines from a unified viewpoint not only chemical reactions but also other physical physicochemical and biological phenomena in which the tunneling effect is of great importance. Covers the general ideas of tunneling, the low temperature chemical reactions that manifest tunneling mechanisms, tunneling effects in amorphous materials, quantum diffusion and surface phenomena in quantum crystals, hopping diffusion and tunneling scavenging of electrons, and tunneling effects in biological systems.

The Tunnel Effect in Chemistry

Author : Ronald Percy Bell
Publisher :
ISBN 13 : 9781489928924
Total Pages : 236 pages
Book Rating : 4.9/5 (289 download)

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Book Synopsis The Tunnel Effect in Chemistry by : Ronald Percy Bell

Download or read book The Tunnel Effect in Chemistry written by Ronald Percy Bell and published by . This book was released on 2014-01-15 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Light Emission from Single Self-decoupled Molecules in a Scanning Tunnelling Microscope

Author : Rai, Vibhuti Narayan
Publisher : KIT Scientific Publishing
ISBN 13 : 3731512017
Total Pages : 150 pages
Book Rating : 4.7/5 (315 download)

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Book Synopsis Light Emission from Single Self-decoupled Molecules in a Scanning Tunnelling Microscope by : Rai, Vibhuti Narayan

Download or read book Light Emission from Single Self-decoupled Molecules in a Scanning Tunnelling Microscope written by Rai, Vibhuti Narayan and published by KIT Scientific Publishing. This book was released on 2022-10-04 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, a clear pathway is presented to achieve well-defined electronically decoupled chromophores from metallic leads without requiring additional insulating layers. To study such self-decoupled molecules, STM equipped with an efficient light detection setup has been used. Results show that the chromophores mounted on tripodal molecular platforms adsorbed on a gold surface present well-defined and efficient electroluminescence down to the single-molecule level.

Electrons in Molecules

Author : Jean-Pierre Launay
Publisher : Oxford University Press
ISBN 13 : 0192545949
Total Pages : 528 pages
Book Rating : 4.1/5 (925 download)

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Book Synopsis Electrons in Molecules by : Jean-Pierre Launay

Download or read book Electrons in Molecules written by Jean-Pierre Launay and published by Oxford University Press. This book was released on 2017-12-08 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the reader with a unified understanding of the rapidly expanding field of molecular materials and devices: electronic structures and bonding, magnetic, electrical and photo-physical properties, and the mastering of electrons in molecular electronics. This revised edition includes updates and additions on hot topics such as molecular spintronics (the role of spin in electron transport) and molecular machines (how electrons can generate molecular motions). Chemists will discover how to understand the relations between electronic structures and properties of molecular entities and assemblies, and to design new molecules and materials. Physicists and engineers will realize how the molecular world fits in with their need for systems flexible enough to check theories or provide original solutions to exciting new scientific and technological challenges. The non-specialist will find out how molecules behave in electronics at the most minute, sub-nanosize level.

Quantum Tunneling of Magnetization — QTM ’94

Author : Leon Gunther
Publisher : Springer Science & Business Media
ISBN 13 : 9401104034
Total Pages : 503 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Quantum Tunneling of Magnetization — QTM ’94 by : Leon Gunther

Download or read book Quantum Tunneling of Magnetization — QTM ’94 written by Leon Gunther and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first NATO Advanced Workshop on Quantum Tunneling of Magnetization (QTM) was organized and co-directed by Bernard Barbara, Leon Gunther, Nicolas Garcia, and Anthony Leggett and was held from June, 27 through July 1, 1994 in Grenoble and Chichilianne, France. These Proceedings include twenty-nine articles that represent the contributions of the participants in the Workshop. Quantum Tunneling of Magnetization is not only interesting for purely academic reasons. It was pointed out in the review article by L. Gunther in the December, 1990 issue of Physics World, that QTM may be destined to play a significant role within the next two decades in limiting the density of information storage in magnetic systems. Recent advances have indicated that this limitation may well be reached even earlier than first predicted. Furthermore, the number of people who have entered the field of study of QTM during these past few years has increased many fi)ld. The time was therefore opportune to hold a Workshop to bring together for the first time the leading researchers of QTM, both theoretical and experimental, so as to discuss the current status of the field. The most controversial issue at the time of the Workshop was how to establish r.eliable criteria for determining whether experimental results do indeed reveal manifestations of QTM. We believe that much progress was made at the Workshop on this issue.

University Physics

Author : OpenStax
Publisher :
ISBN 13 : 9781680920451
Total Pages : 622 pages
Book Rating : 4.9/5 (24 download)

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Book Synopsis University Physics by : OpenStax

Download or read book University Physics written by OpenStax and published by . This book was released on 2016-11-04 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: University Physics is a three-volume collection that meets the scope and sequence requirements for two- and three-semester calculus-based physics courses. Volume 1 covers mechanics, sound, oscillations, and waves. Volume 2 covers thermodynamics, electricity and magnetism, and Volume 3 covers optics and modern physics. This textbook emphasizes connections between between theory and application, making physics concepts interesting and accessible to students while maintaining the mathematical rigor inherent in the subject. Frequent, strong examples focus on how to approach a problem, how to work with the equations, and how to check and generalize the result. The text and images in this textbook are grayscale.

Molecular Electronic Control Over Tunneling Charge Transfer Plasmons Modes

Author : Shu Fen Tan
Publisher : Springer
ISBN 13 : 9811088039
Total Pages : 142 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Molecular Electronic Control Over Tunneling Charge Transfer Plasmons Modes by : Shu Fen Tan

Download or read book Molecular Electronic Control Over Tunneling Charge Transfer Plasmons Modes written by Shu Fen Tan and published by Springer. This book was released on 2018-07-21 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes the controlled immobilization of molecules between two cuboidal metal nanoparticles by means of a self-assembly method to control the quantum plasmon resonances. It demonstrates that quantum-plasmonics is possible at length scales that are useful for real applications. Light can interact with certain metals and can be captured in the form of plasmons, which are collective, ultra-fast oscillations of electrons that can be manipulated at the nano-scale. Surface plasmons are considered as a promising phenomenon for potentially bridging the gap between fast-operating-speed optics and nano-scale electronics. Quantum tunneling has been predicted to occur across two closely separated plasmonic resonators at length scales (0.3 nm) that are not accessible using present-day nanofabrication techniques. Unlike top-down nanofabrication, the molecules between the closely-spaced metal nanoparticles could control the gap sizes down to sub-nanometer scales and act as the frequency controllers in the terahertz regime, providing a new control parameter in the fabrication of electrical circuits facilitated by quantum plasmon tunneling.

Dynamical Tunneling

Author : Srihari Keshavamurthy
Publisher : CRC Press
ISBN 13 : 1439816662
Total Pages : 424 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Dynamical Tunneling by : Srihari Keshavamurthy

Download or read book Dynamical Tunneling written by Srihari Keshavamurthy and published by CRC Press. This book was released on 2011-03-09 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: A prominent aspect of quantum theory, tunneling arises in a variety of contexts across several fields of study, including nuclear, atomic, molecular, and optical physics and has led to technologically relevant applications in mesoscopic science. Exploring mechanisms and consequences, Dynamical Tunneling: Theory and Experiment presents the work of i

Vibrational Dynamics Of Molecules

Author : Joel M Bowman
Publisher : World Scientific
ISBN 13 : 9811237921
Total Pages : 603 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Vibrational Dynamics Of Molecules by : Joel M Bowman

Download or read book Vibrational Dynamics Of Molecules written by Joel M Bowman and published by World Scientific. This book was released on 2022-06-14 with total page 603 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibrational Dynamics of Molecules represents the definitive concise text on the cutting-edge field of vibrational molecular chemistry. The chapter contributors are a Who's Who of world leaders in the field. The editor, Joel Bowman, is widely considered as one of the founding fathers of theoretical reaction dynamics. The included topics span the field, from fundamental theory such as collocation methods and vibrational CI methods, to interesting applications such as astrochemistry, supramolecular systems and virtual computational spectroscopy. This is a useful reference for theoretical chemists, spectroscopists, physicists, undergraduate and graduate students, lecturers and software developers.

Atom Tunneling Phenomena in Physics, Chemistry and Biology

Author : Tetsuo Miyazaki
Publisher : Springer Science & Business Media
ISBN 13 : 3662059002
Total Pages : 319 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Atom Tunneling Phenomena in Physics, Chemistry and Biology by : Tetsuo Miyazaki

Download or read book Atom Tunneling Phenomena in Physics, Chemistry and Biology written by Tetsuo Miyazaki and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topics include the theory of atom tunneling reactions, conclusive evidence and controlling factors for such reactions in solid hydrogen, tunneling dislocation motion, coherent tunneling diffusion, the production of interstellar molecules and semiconductors using tunneling reactions, the effect of atom tunneling on molecular structure and crystalline structure, the suppression of mutation and cancer by an atom tunneling reaction of vitamin C, and atom tunneling reactions of vitamin E and of enzymes.

Fundamentals of Molecular Symmetry

Author : P.R. Bunker
Publisher : CRC Press
ISBN 13 : 1351989855
Total Pages : 384 pages
Book Rating : 4.3/5 (519 download)

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Book Synopsis Fundamentals of Molecular Symmetry by : P.R. Bunker

Download or read book Fundamentals of Molecular Symmetry written by P.R. Bunker and published by CRC Press. This book was released on 2018-10-03 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Winner of a 2005 CHOICE Outstanding Academic Book Award Molecular symmetry is an easily applied tool for understanding and predicting many of the properties of molecules. Traditionally, students are taught this subject using point groups derived from the equilibrium geometry of the molecule. Fundamentals of Molecular Symmetry shows how to set up symmetry groups for molecules using the more general idea of energy invariance. It is no more difficult than using molecular geometry and one obtains molecular symmetry groups. The book provides an introductory description of molecular spectroscopy and quantum mechanics as the foundation for understanding how molecular symmetry is defined and used. The approach taken gives a balanced account of using both point groups and molecular symmetry groups. Usually the point group is only useful for isolated, nonrotating molecules, executing small amplitude vibrations, with no tunneling, in isolated electronic states. However, for the chemical physicist or physical chemist who wishes to go beyond these limitations, the molecular symmetry group is almost always required.

Molecular Quantum Dynamics

Author : Fabien Gatti
Publisher : Springer Science & Business Media
ISBN 13 : 3642452906
Total Pages : 281 pages
Book Rating : 4.6/5 (424 download)

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Book Synopsis Molecular Quantum Dynamics by : Fabien Gatti

Download or read book Molecular Quantum Dynamics written by Fabien Gatti and published by Springer Science & Business Media. This book was released on 2014-04-09 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on current applications of molecular quantum dynamics. Examples from all main subjects in the field, presented by the internationally renowned experts, illustrate the importance of the domain. Recent success in helping to understand experimental observations in fields like heterogeneous catalysis, photochemistry, reactive scattering, optical spectroscopy, or femto- and attosecond chemistry and spectroscopy underline that nuclear quantum mechanical effects affect many areas of chemical and physical research. In contrast to standard quantum chemistry calculations, where the nuclei are treated classically, molecular quantum dynamics can cover quantum mechanical effects in their motion. Many examples, ranging from fundamental to applied problems, are known today that are impacted by nuclear quantum mechanical effects, including phenomena like tunneling, zero point energy effects, or non-adiabatic transitions. Being important to correctly understand many observations in chemical, organic and biological systems, or for the understanding of molecular spectroscopy, the range of applications covered in this book comprises broad areas of science: from astrophysics and the physics and chemistry of the atmosphere, over elementary processes in chemistry, to biological processes (such as the first steps of photosynthesis or vision). Nevertheless, many researchers refrain from entering this domain. The book "Molecular Quantum Dynamics" offers them an accessible introduction. Although the calculation of large systems still presents a challenge - despite the considerable power of modern computers - new strategies have been developed to extend the studies to systems of increasing size. Such strategies are presented after a brief overview of the historical background. Strong emphasis is put on an educational presentation of the fundamental concepts, so that the reader can inform himself about the most important concepts, like eigenstates, wave packets, quantum mechanical resonances, entanglement, etc. The chosen examples highlight that high-level experiments and theory need to work closely together. This book thus is a must-read both for researchers working experimentally or theoretically in the concerned fields, and generally for anyone interested in the exciting world of molecular quantum dynamics.