Introduction to Lattice Dynamics

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Publisher : Cambridge University Press
ISBN 13 : 0521392934
Total Pages : 288 pages
Book Rating : 4.5/5 (213 download)

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Book Synopsis Introduction to Lattice Dynamics by : Martin T. Dove

Download or read book Introduction to Lattice Dynamics written by Martin T. Dove and published by Cambridge University Press. This book was released on 1993-10-21 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: The vibrations of atoms inside crystals - lattice dynamics - is basic to many fields of study in the solid-state and mineral sciences. This book provides a self-contained text that introduces the subject from a basic level and then takes the reader through applications of the theory.

An Introduction to Lattice Dynamics

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Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis An Introduction to Lattice Dynamics by : Ajoy K. Ghatak

Download or read book An Introduction to Lattice Dynamics written by Ajoy K. Ghatak and published by . This book was released on 1972 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Introduction to Lattice Dynamics Lattice Dynamics

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (959 download)

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Book Synopsis An Introduction to Lattice Dynamics Lattice Dynamics by : Ajoy K. Ghatak

Download or read book An Introduction to Lattice Dynamics Lattice Dynamics written by Ajoy K. Ghatak and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamics of Lattice Materials

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Publisher : John Wiley & Sons
ISBN 13 : 1118729595
Total Pages : 312 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Dynamics of Lattice Materials by : A. Srikantha Phani

Download or read book Dynamics of Lattice Materials written by A. Srikantha Phani and published by John Wiley & Sons. This book was released on 2017-09-25 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive introduction to the dynamic response of lattice materials, covering the fundamental theory and applications in engineering practice Offers comprehensive treatment of dynamics of lattice materials and periodic materials in general, including phononic crystals and elastic metamaterials Provides an in depth introduction to elastostatics and elastodynamics of lattice materials Covers advanced topics such as damping, nonlinearity, instability, impact and nanoscale systems Introduces contemporary concepts including pentamodes, local resonance and inertial amplification Includes chapters on fast computation and design optimization tools Topics are introduced using simple systems and generalized to more complex structures with a focus on dispersion characteristics

Statistical Mechanics of Lattice Systems

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Publisher : Cambridge University Press
ISBN 13 : 1107184827
Total Pages : 643 pages
Book Rating : 4.1/5 (71 download)

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Book Synopsis Statistical Mechanics of Lattice Systems by : Sacha Friedli

Download or read book Statistical Mechanics of Lattice Systems written by Sacha Friedli and published by Cambridge University Press. This book was released on 2017-11-23 with total page 643 pages. Available in PDF, EPUB and Kindle. Book excerpt: A self-contained, mathematical introduction to the driving ideas in equilibrium statistical mechanics, studying important models in detail.

An Introduction to Lattice Dynamics

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Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.3/5 (97 download)

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Book Synopsis An Introduction to Lattice Dynamics by : Ajoy K. Ghatak

Download or read book An Introduction to Lattice Dynamics written by Ajoy K. Ghatak and published by . This book was released on 1972 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Introduction to Quantum Fields on a Lattice

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Publisher : Cambridge University Press
ISBN 13 : 0521890519
Total Pages : 287 pages
Book Rating : 4.5/5 (218 download)

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Book Synopsis Introduction to Quantum Fields on a Lattice by : Jan Smit

Download or read book Introduction to Quantum Fields on a Lattice written by Jan Smit and published by Cambridge University Press. This book was released on 2002-09-19 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description

Principles of the Theory of Lattice Dynamics

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Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Principles of the Theory of Lattice Dynamics by : Harald Böttger

Download or read book Principles of the Theory of Lattice Dynamics written by Harald Böttger and published by . This book was released on 1983 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Physics of Phonons

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Publisher : Routledge
ISBN 13 : 1351409557
Total Pages : 438 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis The Physics of Phonons by : Gyaneshwar P. Srivastava

Download or read book The Physics of Phonons written by Gyaneshwar P. Srivastava and published by Routledge. This book was released on 2019-07-16 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: There have been few books devoted to the study of phonons, a major area of condensed matter physics. The Physics of Phonons is a comprehensive theoretical discussion of the most important topics, including some topics not previously presented in book form. Although primarily theoretical in approach, the author refers to experimental results wherever possible, ensuring an ideal book for both experimental and theoretical researchers. The author begins with an introduction to crystal symmetry and continues with a discussion of lattice dynamics in the harmonic approximation, including the traditional phenomenological approach and the more recent ab initio approach, detailed for the first time in this book. A discussion of anharmonicity is followed by the theory of lattice thermal conductivity, presented at a level far beyond that available in any other book. The chapter on phonon interactions is likewise more comprehensive than any similar discussion elsewhere. The sections on phonons in superlattices, impure and mixed crystals, quasicrystals, phonon spectroscopy, Kapitza resistance, and quantum evaporation also contain material appearing in book form for the first time. The book is complemented by numerous diagrams that aid understanding and is comprehensively referenced for further study. With its unprecedented wide coverage of the field, The Physics of Phonons will be indispensable to all postgraduates, advanced undergraduates, and researchers working on condensed matter physics.

Phonons: Theory and Experiments I

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Publisher : Springer Science & Business Media
ISBN 13 : 3642817815
Total Pages : 273 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Phonons: Theory and Experiments I by : Peter Brüesch

Download or read book Phonons: Theory and Experiments I written by Peter Brüesch and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume treatment grew out of lectures the author gave at the "Ecole Poly technique Federale de Lausanne" during the years 1975-1980 for graduate students in experimental physics in their last year of study. It is written by an experimentalist with some interest in theory and is ad dressed mainly to experimentalists, but also to theoreticians interested in experiments. This treatment tries to bridge the gap between theory and experiments; it should assist experimentalists in the interpretation of their data in the vast field of lattice dynamics. An attempt has been made to provide not only the basic concepts but also a working knowledge in this field of solid-state physics. In this first volume, the basic concepts of the physics of phonons are developed and illustrated by many examples; it provides the background necessary for the interpretation of most experimental results. The second volume, which is in preparation, is devoted to experimental techniques, the interpretation of experiments, and discussion of phenomena which are directly related with phonons. The book is designed for introductory courses at the graduate level. It is believed that the book will also prove useful to those graduate students starting research in this or related fields, as well as to many workers already active in this branch of solid-state physics.

Dynamical Theory of Crystal Lattices

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Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Dynamical Theory of Crystal Lattices by : Max Born

Download or read book Dynamical Theory of Crystal Lattices written by Max Born and published by . This book was released on 1956 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lattice dynamics

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Publisher : Linköping University Electronic Press
ISBN 13 : 9179297595
Total Pages : 76 pages
Book Rating : 4.1/5 (792 download)

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Book Synopsis Lattice dynamics by : Johan Tidholm

Download or read book Lattice dynamics written by Johan Tidholm and published by Linköping University Electronic Press. This book was released on 2020-11-02 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reason to perform calculations in material science usually falls into one of two categories: to predict or explain the origin of material properties. This thesis covers first-principle calculations for solids at extreme conditions, from both of the two mentioned categories. I primarily have studied the effects of high-pressure and high-temperature on lattice dynamics, mechanical and electronic properties. To treat the effects of temperature, ab initio molecular dynamics (AIMD) simulations and self-consistent phonon calculations, based on density functional theory, have been utilised. These approaches account for the temperature effects by considering thermally excited supercells as samples of a statistical ensemble. To extract properties from this representation, I have used methods which maps the supercell data to a unit cell representation or fits it to a simple model Hamiltonian. The small displacement method was used to analyse the dynamical stability for nitrides and polymorphs of silica, synthesised at high-pressure in a diamond anvil cell. The nitride compounds consist of a high amount of nitrogen either as chains, forming a porous framework together with transition metal atoms or as dinitrogen molecules, occupying the channels of the framework. The nitrogen chains consist of single- or double-bonded nitrogen atoms, making these compounds highly energetic. Polymorphs of silica can be used to model deep Earth liquids. These new polymorphs, named coesite-IV and coesite-V, consist of four-, five-, and six-oriented silicon. Some of the octahedra of the six-oriented silicon atoms, of these new phases, are sharing faces, which according to Pauling's third rule would make them highly unstable. My phonon calculations indicate these phases to be dynamically stable. Furthermore, my calculations predict higher compressibility for these new phases compared to the competing ones. By modelling silicate melts with coesite-IV and coesite-V, a more complex and compressible structure is expected, affecting the predicted seismic behaviour. I studied Kohn anomalies for body-centered cubic niobium by simulating this material with self-consistent phonon calculations. The electronic structure was studied by using a band unfolding technique, for which I obtained an effective unit cell representation of the electronic structure at elevated temperatures. Temperature primarily smeared the electronic states but did not induce significant shifts of the bands. In parallel, the anharmonicity of this system was studied using the temperature dependent effective potential method. Even close to the melting temperature, this element is remarkably harmonic. The experimentally observed disappearance of the Kohn anomalies with increased temperature is predominantly dependent, according to my calculations, on the temperature-induced smearing of the electronic states. Using stress-strain relations, accurate high-temperature elastic properties were predicted for Ti0.5Al0.5N. The simulations were performed with AIMD. The stresses were fitted using the least-squares method to a linear expression from which the elastic constants were derived. The results were compared with previously performed calculations that employed additional approximations. The results of the symmetry imposed force constant temperature dependent effective potential (SIFC-TDEP) method agrees well with our results. I also compared my results with TiN calculations that employed a similar methodology. My and the SIFC-TDEP results are reporting lower values for the polycrystalline moduli than the calculations for TiN. The data I generated were also used for a machine learned interatomic potential method, where moment tensor potentials were trained and evaluated, using this data. Den här avhandlingen handlar om beräkningar för material. När materialberäkningar utförs är det antingen för att förutsäga eller förklara egenskaper. De beräkningar som jag har gjort i denna avhandling är baserade på fundamentala fysiska lagar. Detta betyder att de är rent baserade på teori, och inte har anpassats efter resultat av experiment. Jag har i mitt arbete använt mig mycket utav en teori som kallas gitter dynamik. Den är definierad för periodiska material, det vill säga att atomerna i dessa material upprepas i periodiska mönster. Vi kan då anta att det finns en jämviktspunkt för alla atomerna, som de vibrerar omkring. Dessa vibrationer kan beskrivas som om atomerna påverkar varandra med fiktiva fjädrar. Genom att beräkna styrkan för dessa fjädrar kan vi beskriva vibrationerna av atomerna. Dessa vibrationer i sin tur är avgörande för materialets egenskaper. För att beskriva ett material vid en specifik temperatur har jag använt mig utav olika metoder för att simulera det. En simulering kan ses som ett “dator experiment”. Problemet är dock hur vi ska mäta egenskaperna i simuleringen. Ju större och mera komplex en simulering är, desto svårare blir det att beräkna egenskaperna av det simulerade materialet. Vi hamnar i en situation likt den vi skulle befinna oss om vi hade gjort ett experiment i verkligheten, och tvingas använda förenklade modeler för att kunna tolka resultatet. Jag har därför använt mig utav metoder för att utvinna vibrationer av atomer, elektrontillstånd eller elastiska egenskaper, specifikt utvecklade för att användas på denna typ utav simuleringar. Mitt arbete har kretsat kring hur dessa egenskaper påverkas av extrema temperaturer och tryck. De beräkningar jag har utfört vid höga tryck har varit för nyupptäckta nitrider och faser av kiseldioxid. Nitriderna är porösa material som innehåller en stor mängd kväve. Det höga kväveinehållet gör så att det lagras en stor mängd kemisk energi i enkel- och dubbelbindningar mellan kväveatomerna. De nya faserna av kiseldioxid har en betydelse för vår förståelse av jordens inre. Deras existens öppnar upp för att det kan finnas mera komplexa och ihoptryckbara flytande material, under jordens nedre mantel, än vad tidigare har varit antaget. Mina beräkningar har bekräftat strukturerna för dessa nyupptäckta material. Vid höga temperaturer har jag studerat för metallen niob hur vibrationerna av atomerna är relaterade till olika elektrontillstånd. För specifika vibrationer ökar frekvensen med ökad temperatur. Detta är något ovanligt eftersom vibrationernas frekvenser vanligtvis brukar minska med ökad temperatur. Mina simulering för denna metal överensstämmer med resultat från experiment. Orsaken till varför visa vibrationers frekvenser ökar kan jag förklara med att elektrontillståndens enskilda energier varierar över tid på grund av den ökade temperaturen. Jag har även använt mig av simuleringar för att beräkna elastiska egenskaper av legeringen Ti0.5Al0.5N. Ti1?xAlxN legeringar används som beläggningar på skärverktyg som används för metall. För att öka effektiviteten av beläggningen, behövs det detaljerad kunskap av dess mekaniska egenskaper för den temperatur som de används vid. Jag beräknade därför så noggrant som möjligt de elastiska egenskaperna för Ti0.5Al0.5N. Dessa beräkningar är avsedda för att användas som en referens för andra beräkningsmässigt billigare metoder. Datan som genererades från mina simuleringar användes även för en sådan metod, baserad på maskininlärning.

The Lattice Dynamics and Statics of Alkali Halide Crystals

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Publisher :
ISBN 13 : 9781461329770
Total Pages : 328 pages
Book Rating : 4.3/5 (297 download)

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Book Synopsis The Lattice Dynamics and Statics of Alkali Halide Crystals by : J. R Hardy

Download or read book The Lattice Dynamics and Statics of Alkali Halide Crystals written by J. R Hardy and published by . This book was released on 1979-11-01 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lattice Dynamics

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Publisher :
ISBN 13 :
Total Pages : 758 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Lattice Dynamics by : Richard Fisher Wallis

Download or read book Lattice Dynamics written by Richard Fisher Wallis and published by . This book was released on 1965 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structure and Dynamics

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Publisher : Oxford University Press
ISBN 13 : 9780198506782
Total Pages : 364 pages
Book Rating : 4.5/5 (67 download)

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Book Synopsis Structure and Dynamics by : Martin T. Dove

Download or read book Structure and Dynamics written by Martin T. Dove and published by Oxford University Press. This book was released on 2003-03-06 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes how the arrangement and movement of atoms in a solid are related to the forces between atoms, and how they affect the behaviour and properties of materials. The book is intended for final year undergraduate students and graduate students in physics and materials science.

Lattice-Gas Cellular Automata and Lattice Boltzmann Models

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Publisher : Springer
ISBN 13 : 3540465863
Total Pages : 320 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Lattice-Gas Cellular Automata and Lattice Boltzmann Models by : Dieter A. Wolf-Gladrow

Download or read book Lattice-Gas Cellular Automata and Lattice Boltzmann Models written by Dieter A. Wolf-Gladrow and published by Springer. This book was released on 2004-10-19 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lattice-gas cellular automata (LGCA) and lattice Boltzmann models (LBM) are relatively new and promising methods for the numerical solution of nonlinear partial differential equations. The book provides an introduction for graduate students and researchers. Working knowledge of calculus is required and experience in PDEs and fluid dynamics is recommended. Some peculiarities of cellular automata are outlined in Chapter 2. The properties of various LGCA and special coding techniques are discussed in Chapter 3. Concepts from statistical mechanics (Chapter 4) provide the necessary theoretical background for LGCA and LBM. The properties of lattice Boltzmann models and a method for their construction are presented in Chapter 5.

Lattice Dynamics

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Publisher :
ISBN 13 :
Total Pages : 163 pages
Book Rating : 4.:/5 (488 download)

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Book Synopsis Lattice Dynamics by : A. A. Maradudin

Download or read book Lattice Dynamics written by A. A. Maradudin and published by . This book was released on 1969 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: