Symmetry With A Twist

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Higher Symmetries and Its Application in Microwave Technology, Antennas and Metamaterials

Author : Guido Valerio
Publisher : MDPI
ISBN 13 : 303921876X
Total Pages : 98 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Higher Symmetries and Its Application in Microwave Technology, Antennas and Metamaterials by : Guido Valerio

Download or read book Higher Symmetries and Its Application in Microwave Technology, Antennas and Metamaterials written by Guido Valerio and published by MDPI. This book was released on 2019-12-03 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Artificial materials have been widely studied and used in photonics and microwaves in the last few decades. Recent research has proven that the introduction of specific higher symmetries in each cell of a periodic medium is an effective approach to obtain unprecedented exotic behaviors and to overcome the current limitations of these devices. For example, simple symmetries of a purely spatial type (glide or twist transformations) can have a huge impact on the properties of the resulting materials, thus defining wideband behaviors for flat lenses or large stop bands for novel EBG materials. This Special Issue opens with a novel discussion on the effect of time-reversal symmetries in antenna theory and presents new structures exploiting symmetries for antenna and microwave components, such as flat lenses, helix antennas, and gap-waveguides. Finally, new modeling methods are discussed for the study of wave propagation along glide surfaces and twist lines.

Molecular Geometry

Author : Alison Rodger
Publisher : Butterworth-Heinemann
ISBN 13 : 1483106039
Total Pages : 203 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Molecular Geometry by : Alison Rodger

Download or read book Molecular Geometry written by Alison Rodger and published by Butterworth-Heinemann. This book was released on 2014-05-16 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular Geometry discusses topics relevant to the arrangement of atoms. The book is comprised of seven chapters that tackle several areas of molecular geometry. Chapter 1 reviews the definition and determination of molecular geometry, while Chapter 2 discusses the unified view of stereochemistry and stereochemical changes. Chapter 3 covers the geometry of molecules of second row atoms, and Chapter 4 deals with the main group elements beyond the second row. The book also talks about the complexes of transition metals and f-block elements, and then covers the organometallic compounds and transition metal clusters. The last chapter tackles the consequences of small, local variations in geometry. The text will be of great use to chemists who primarily deal with the properties of molecules and atoms.

Encyclopedia of Physical Organic Chemistry, 6 Volume Set

Author : Zerong Wang
Publisher : John Wiley & Sons
ISBN 13 : 1118470451
Total Pages : 4542 pages
Book Rating : 4.1/5 (184 download)

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Book Synopsis Encyclopedia of Physical Organic Chemistry, 6 Volume Set by : Zerong Wang

Download or read book Encyclopedia of Physical Organic Chemistry, 6 Volume Set written by Zerong Wang and published by John Wiley & Sons. This book was released on 2017-04-17 with total page 4542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Winner of 2018 PROSE Award for MULTIVOLUME REFERENCE/SCIENCE This encyclopedia offers a comprehensive and easy reference to physical organic chemistry (POC) methodology and techniques. It puts POC, a classical and fundamental discipline of chemistry, into the context of modern and dynamic fields like biochemical processes, materials science, and molecular electronics. Covers basic terms and theories into organic reactions and mechanisms, molecular designs and syntheses, tools and experimental techniques, and applications and future directions Includes coverage of green chemistry and polymerization reactions Reviews different strategies for molecular design and synthesis of functional molecules Discusses computational methods, software packages, and more than 34 kinds of spectroscopies and techniques for studying structures and mechanisms Explores applications in areas from biology to materials science The Encyclopedia of Physical Organic Chemistry has won the 2018 PROSE Award for MULTIVOLUME REFERENCE/SCIENCE. The PROSE Awards recognize the best books, journals and digital content produced by professional and scholarly publishers. Submissions are reviewed by a panel of 18 judges that includes editors, academics, publishers and research librarians who evaluate each work for its contribution to professional and scholarly publishing. You can find out more at: proseawards.com Also available as an online edition for your library, for more details visit Wiley Online Library

Mirror Symmetry

Author : Kentaro Hori
Publisher : American Mathematical Soc.
ISBN 13 : 0821829556
Total Pages : 954 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Mirror Symmetry by : Kentaro Hori

Download or read book Mirror Symmetry written by Kentaro Hori and published by American Mathematical Soc.. This book was released on 2003 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thorough and detailed exposition is the result of an intensive month-long course on mirror symmetry sponsored by the Clay Mathematics Institute. It develops mirror symmetry from both mathematical and physical perspectives with the aim of furthering interaction between the two fields. The material will be particularly useful for mathematicians and physicists who wish to advance their understanding across both disciplines. Mirror symmetry is a phenomenon arising in string theory in which two very different manifolds give rise to equivalent physics. Such a correspondence has significant mathematical consequences, the most familiar of which involves the enumeration of holomorphic curves inside complex manifolds by solving differential equations obtained from a ``mirror'' geometry. The inclusion of D-brane states in the equivalence has led to further conjectures involving calibrated submanifolds of the mirror pairs and new (conjectural) invariants of complex manifolds: the Gopakumar-Vafa invariants. This book gives a single, cohesive treatment of mirror symmetry. Parts 1 and 2 develop the necessary mathematical and physical background from ``scratch''. The treatment is focused, developing only the material most necessary for the task. In Parts 3 and 4 the physical and mathematical proofs of mirror symmetry are given. From the physics side, this means demonstrating that two different physical theories give isomorphic physics. Each physical theory can be described geometrically, and thus mirror symmetry gives rise to a ``pairing'' of geometries. The proof involves applying $R\leftrightarrow 1/R$ circle duality to the phases of the fields in the gauged linear sigma model. The mathematics proof develops Gromov-Witten theory in the algebraic setting, beginning with the moduli spaces of curves and maps, and uses localization techniques to show that certain hypergeometric functions encode the Gromov-Witten invariants in genus zero, as is predicted by mirror symmetry. Part 5 is devoted to advanced topi This one-of-a-kind book is suitable for graduate students and research mathematicians interested in mathematics and mathematical and theoretical physics.

Physical Metallurgy

Author : David E. Laughlin
Publisher : Newnes
ISBN 13 : 0444537716
Total Pages : 2963 pages
Book Rating : 4.4/5 (445 download)

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Book Synopsis Physical Metallurgy by : David E. Laughlin

Download or read book Physical Metallurgy written by David E. Laughlin and published by Newnes. This book was released on 2014-07-24 with total page 2963 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fifth edition of the highly regarded family of titles that first published in 1965 is now a three-volume set and over 3,000 pages. All chapters have been revised and expanded, either by the fourth edition authors alone or jointly with new co-authors. Chapters have been added on the physical metallurgy of light alloys, the physical metallurgy of titanium alloys, atom probe field ion microscopy, computational metallurgy, and orientational imaging microscopy. The books incorporate the latest experimental research results and theoretical insights. Several thousand citations to the research and review literature are included. - Exhaustively synthesizes the pertinent, contemporary developments within physical metallurgy so scientists have authoritative information at their fingertips - Replaces existing articles and monographs with a single, complete solution - Enables metallurgists to predict changes and create novel alloys and processes

Raman Spectroscopy of Two-Dimensional Materials

Author : Ping-Heng Tan
Publisher : Springer
ISBN 13 : 981131828X
Total Pages : 270 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Raman Spectroscopy of Two-Dimensional Materials by : Ping-Heng Tan

Download or read book Raman Spectroscopy of Two-Dimensional Materials written by Ping-Heng Tan and published by Springer. This book was released on 2018-12-30 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book shows the electronic, optical and lattice-vibration properties of the two-dimensional materials which are revealed by the Raman spectroscopy. It consists of eleven chapters covering various Raman spectroscopy techniques (ultralow-frequency, resonant Raman spectroscopy, Raman imaging), different kinds of two-dimensional materials (in-plane isotropy and anisotropy materials, van der Waals heterostructures) and their physical properties (double-resonant theory, surface and interface effect). The topics include the theory origin, experimental phenomenon and advanced techniques in this area. This book is interesting and useful to a wide readership in various fields of condensed matter physics, materials science and engineering.

Wave Forms

Author : James H. Bunn
Publisher : Stanford University Press
ISBN 13 : 9780804745079
Total Pages : 372 pages
Book Rating : 4.7/5 (45 download)

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Book Synopsis Wave Forms by : James H. Bunn

Download or read book Wave Forms written by James H. Bunn and published by Stanford University Press. This book was released on 2002 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this daring book, the author proposes that artistic and literary forms can be understood as modulations of wave forms in the physical world. By the phrase "natural syntax," he means that physical nature enters human communication literally by way of a transmitting wave frequency. This premise addresses a central question about symbolism in this century: How are our ideas symbolically related to physical reality? The author outlines a theory of communication in which nature is not reached by reference to an object; rather, nature is part of the message known only tacitly as the wavy carrier of a sign or signal. One doesn't refer to nature, even though one might be aiming to; one refers with nature as carrier vehicle. The author demonstrates that a natural language of transmission has an inherent physical syntax of patterned wave forms, which can also be described as certain "laws of form"a phrase used by D'Arcy Thompson, L. L. Whyte, Noam Chomsky, and Stephen Jay Gould. He describes a syntax inherent in natural languages that derives from the rhythmic form of a propelling wave. Instead of the "laws" of a wave's form, however, the author speaks of its elements of rhythmic composition, because "rythmos" means "wave" in Greek and because "composition" describes the creative process across the arts. In pursuing a philosophy of rhythmic composition, the author draws on cognitive science and semiotics. But he chiefly employs symmetry theory to describe the forms of art, and especially the patterns of poetry, as structures built upon the natural syntax of wave forms. Natural syntax, it turns out, follows a fascinating group of symmetry transformations that derive from wave forms.

The Semiclassical Way to Dynamics and Spectroscopy

Author : Eric J. Heller
Publisher : Princeton University Press
ISBN 13 : 0691163731
Total Pages : 472 pages
Book Rating : 4.6/5 (911 download)

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Book Synopsis The Semiclassical Way to Dynamics and Spectroscopy by : Eric J. Heller

Download or read book The Semiclassical Way to Dynamics and Spectroscopy written by Eric J. Heller and published by Princeton University Press. This book was released on 2018-06-05 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: A graduate-level text that examines the semiclassical approach to quantum mechanics Physical systems have been traditionally described in terms of either classical or quantum mechanics. But in recent years, semiclassical methods have developed rapidly, providing deep physical insight and computational tools for quantum dynamics and spectroscopy. In this book, Eric Heller introduces and develops this subject, demonstrating its power with many examples. In the first half of the book, Heller covers relevant aspects of classical mechanics, building from them the semiclassical way through the semiclassical limit of the Feynman path integral. The second half of the book applies this approach to various kinds of spectroscopy, such as molecular spectroscopy and electron imaging and quantum dynamical systems with an emphasis on tunneling. Adopting a distinctly time-dependent viewpoint, Heller argues for semiclassical theories from experimental and theoretical vantage points valuable to research in physics and chemistry. Featuring more than two hundred figures, the book provides a geometric, phase-space, and coordinate-space pathway to greater understanding. Filled with practical examples and applications, The Semiclassical Way to Dynamics and Spectroscopy is a comprehensive presentation of the tools necessary to successfully delve into this unique area of quantum mechanics. A comprehensive approach for using classical mechanics to do quantum mechanics More than two hundred figures to assist intuition Emphasis on semiclassical Green function and wave packet perspective, as well as tunneling and spectroscopy Chapters include quantum mechanics of classically chaotic systems, quantum scarring, and other modern dynamical topics

A Thesaurus Dictionary of the English Language

Author : Francis Andrew March
Publisher :
ISBN 13 :
Total Pages : 1348 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis A Thesaurus Dictionary of the English Language by : Francis Andrew March

Download or read book A Thesaurus Dictionary of the English Language written by Francis Andrew March and published by . This book was released on 1906 with total page 1348 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Theoretically Interesting Molecules

Author : Randolph P. Thummel
Publisher : Elsevier
ISBN 13 : 0762300701
Total Pages : 362 pages
Book Rating : 4.7/5 (623 download)

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Book Synopsis Advances in Theoretically Interesting Molecules by : Randolph P. Thummel

Download or read book Advances in Theoretically Interesting Molecules written by Randolph P. Thummel and published by Elsevier. This book was released on 1998-09-21 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series presents review articles pertaining to molecular systems which are of interest due primarily to the presence of structural features or characteristics about which prior predictions can be based on present knowledge of chemical theory.

Mathematical Macroevolution in Diatom Research

Author : Janice L. Pappas
Publisher : John Wiley & Sons
ISBN 13 : 1119750652
Total Pages : 587 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Mathematical Macroevolution in Diatom Research by : Janice L. Pappas

Download or read book Mathematical Macroevolution in Diatom Research written by Janice L. Pappas and published by John Wiley & Sons. This book was released on 2023-08-09 with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt: MATHEMATICAL MACROEVOLUTION IN DIATOM RESEARCH Buy this book to learn how to use mathematics in macroevolution research and apply mathematics to study complex biological problems. This book contains recent research in mathematical and analytical studies on diatoms. These studies reflect the complex and intricate nature of the problems being analyzed and the need to use mathematics as an aid in finding solutions. Diatoms are important components of marine food webs, the silica and carbon cycles, primary productivity, and carbon sequestration. Their uniqueness as glass-encased unicells and their presence throughout geologic history exemplifies the need to better understand such organisms. Explicating the role of diatoms in the biological world is no more urgent than their role as environmental and climate indicators, and as such, is aided by the mathematical studies in this book. The volume contains twelve original research papers as chapters. Macroevolutionary science topics covered are morphological analysis, morphospace analysis, adaptation, food web dynamics, origination-extinction and diversity, biogeography, life cycle dynamics, complexity, symmetry, and evolvability. Mathematics used in the chapters include stochastic and delay differential and partial differential equations, differential geometry, probability theory, ergodic theory, group theory, knot theory, statistical distributions, chaos theory, and combinatorics. Applied sciences used in the chapters include networks, machine learning, robotics, computer vision, image processing, pattern recognition, and dynamical systems. The volume covers a diverse range of mathematical treatments of topics in diatom research. Audience Diatom researchers, mathematical biologists, evolutionary and macroevolutionary biologists, paleontologists, paleobiologists, theoretical biologists, as well as researchers in applied mathematics, algorithm sciences, complex systems science, computational sciences, informatics, computer vision and image processing sciences, nanoscience, the biofuels industry, and applied engineering.

Embedded Symmetries, Natural and Cultural

Author : Dorothy Koster Washburn
Publisher : UNM Press
ISBN 13 : 9780826331526
Total Pages : 208 pages
Book Rating : 4.3/5 (315 download)

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Book Synopsis Embedded Symmetries, Natural and Cultural by : Dorothy Koster Washburn

Download or read book Embedded Symmetries, Natural and Cultural written by Dorothy Koster Washburn and published by UNM Press. This book was released on 2004 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scholars representing several disciplines examine how patterns and symmetry are expressed and resonate in a variety of man's creations and cultures.

The Force of Symmetry

Author : Vincent Icke
Publisher : Cambridge University Press
ISBN 13 : 9780521455916
Total Pages : 368 pages
Book Rating : 4.4/5 (559 download)

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Book Synopsis The Force of Symmetry by : Vincent Icke

Download or read book The Force of Symmetry written by Vincent Icke and published by Cambridge University Press. This book was released on 1995 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: An elementary introduction to the interplay between quantum mechanics, relativity, and symmetry.

Excited States in Organic Chemistry and Biochemistry

Author : Bernard Pullman
Publisher : Springer Science & Business Media
ISBN 13 : 9789027708533
Total Pages : 470 pages
Book Rating : 4.7/5 (85 download)

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Book Synopsis Excited States in Organic Chemistry and Biochemistry by : Bernard Pullman

Download or read book Excited States in Organic Chemistry and Biochemistry written by Bernard Pullman and published by Springer Science & Business Media. This book was released on 1977-10-31 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 10th Jerusalem Symposium on Quantum Chemistry and Biochemistry held in Jerusalem, Israel, March 28-31, 1977

Electroweak Physics Beyond The Standard Model - International Workshop

Author : Jose W F Valle
Publisher : World Scientific
ISBN 13 : 9814555398
Total Pages : 518 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Electroweak Physics Beyond The Standard Model - International Workshop by : Jose W F Valle

Download or read book Electroweak Physics Beyond The Standard Model - International Workshop written by Jose W F Valle and published by World Scientific. This book was released on 1992-07-20 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: The implications of the latest results from high energy experiments as well as non-accelerator experiments are discussed in this proceedings. Emphasis is given to neutrino physics, tests of the standard electroweak theory, and its extensions. Perspectives for the physics of the new decade are also considered.

Nonlinearity

Author :
Publisher :
ISBN 13 :
Total Pages : 804 pages
Book Rating : 4.3/5 (21 download)

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Book Synopsis Nonlinearity by :

Download or read book Nonlinearity written by and published by . This book was released on 2006 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quantum Theory and Symmetries

Author : Heinz Dietrich Doebner
Publisher : World Scientific
ISBN 13 : 9789810242374
Total Pages : 648 pages
Book Rating : 4.2/5 (423 download)

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Book Synopsis Quantum Theory and Symmetries by : Heinz Dietrich Doebner

Download or read book Quantum Theory and Symmetries written by Heinz Dietrich Doebner and published by World Scientific. This book was released on 2000 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume gives an overview of the recent representative developments in relativistic and non-relativistic quantum theory, which are related to the application of various mathematical notions of various symmetries. These notions are centered upon groups, algebras and their generalizations, and are applied in interaction with topology, differential geometry, functional analysis and related fields. The emphasis is on results in the following areas: foundation of quantum physics, quantization methods, nonlinear quantum mechanics, algebraic quantum field theory, gauge and string theories, discrete spaces, quantum groups and generalized symmetries.