Download or read book Aspects Of Polaron Theory Equilibrium And Nonequilibrium Problems written by Nickolai N Bogolubov Jr and published by World Scientific. This book was released on 2008-09-15 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: The linear polaron model is an excellent example of an exactly soluble, yet nontrivial polaron system. It serves as a trial system or zero-level approximation in many sophisticated methods of polaron investigation. This book analyzes, in particular, the possibility of reduction of the full polaron Hamiltonian to the linear one, and introduces a special method of calculating thermodynamical characteristics based on the calculation of the averages of T-products. This T-product formalism seems to be a more convenient way of doing similar calculations involving Feynman's path integral approach.This book follows a step-by-step approach, from comparatively simple physical ideas to a clear understanding of sophisticated mathematical tools of investigation in modern polaron physics. The reader is able to compare the physical point of view with methods proposed in the book, and at the same time grasp the underlying mathematics.Some familiarity with quantum statistical mechanics is desirable in reading this book.
Download or read book Aspects of Polaron Theory written by Nickolai N. Bogolubov Jr and published by World Scientific. This book was released on 2008 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: The linear polaron model is an excellent example of an exactly soluble, yet nontrivial polaron system. It serves as a trial system or zero-level approximation in many sophisticated methods of polaron investigation. This book analyzes, in particular, the possibility of reduction of the full polaron Hamiltonian to the linear one, and introduces a special method of calculating thermodynamical characteristics based on the calculation of the averages of T-products. This T-product formalism seems to be a more convenient way of doing similar calculations involving Feynman's path integral approach.This book follows a step-by-step approach, from comparatively simple physical ideas to a clear understanding of sophisticated mathematical tools of investigation in modern polaron physics. The reader is able to compare the physical point of view with methods proposed in the book, and at the same time grasp the underlying mathematics.Some familiarity with quantum statistical mechanics is desirable in reading this book.
Download or read book Polaron Theory written by N. N. Bogolubov Jr. and published by CRC Press. This book was released on 2000-05-17 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning with an introduction to the T-product approach in the theory of a particle interacting with bosonic fields as applied, for example, to the linearized polaron model, the book goes on to deal with the equilibrium state objective being to derive Bogolubov's inequality for the reduced free energy of the polaron. The third chapter deals with some problems related to the non-equilibrium polaron theory, including polaron kinetics. Finally, alternative methods used in polaron theory are also presented and compared with Bogolubov's method.
Download or read book La Rivista del Nuovo cimento written by and published by . This book was released on 1988 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book La rivista del nuovo cimento della Societ italiana di fisica written by Società italiana di fisica and published by . This book was released on 1988 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Problems of Linear Electron Polaron Transport Theory in Semiconductors written by M. I. Klinger and published by Elsevier. This book was released on 2017-05-04 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: Problems of Linear Electron (Polaron) Transport Theory in Semiconductors summarizes and discusses the development of areas in electron transport theory in semiconductors, with emphasis on the fundamental aspects of the theory and the essential physical nature of the transport processes. The book is organized into three parts. Part I focuses on some general topics in the theory of transport phenomena: the general dynamical theory of linear transport in dissipative systems (Kubo formulae) and the phenomenological theory. Part II deals with the theory of polaron transport in a crystalline semiconductor. The last part contains a critical account of electron transport in disordered systems, including amorphous substances, with allowance for polaron effects.
Download or read book Quantum Matter at Ultralow Temperatures written by M. Inguscio and published by IOS Press. This book was released on 2016-09-27 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Enrico Fermi summer school on Quantum Matter at Ultralow Temperatures held on 7-15 July 2014 at Varenna, Italy, featured important frontiers in the field of ultracold atoms. For the last 25 years, this field has undergone dramatic developments, which were chronicled by several Varenna summer schools, in 1991 on Laser Manipulation of Atoms, in 1998 on Bose-Einstein Condensation in Atomic Gases, and in 2006 on Ultra-cold Fermi Gases. The theme of the 2014 school demonstrates that the field has now branched out into many different directions, where the tools and precision of atomic physics are used to realise new quantum systems, or in other words, to quantum-engineer interesting Hamiltonians. The topics of the school identify major new directions: Quantum gases with long range interactions, either due to strong magnetic dipole forces, due to Rydberg excitations, or, for polar molecules, due to electric dipole interactions; quantum gases in lower dimensions; quantum gases with disorder; atoms in optical lattices, now with single-site optical resolution; systems with non-trivial topological properties, e.g. with spin-orbit coupling or in artificial gauge fields; quantum impurity problems (Bose and Fermi polarons); quantum magnetism. Fermi gases with strong interactions, spinor Bose-Einstein condensates and coupled multi-component Bose gases or Bose-Fermi mixtures continue to be active areas. The current status of several of these areas is systematically summarized in this volume.
Download or read book Proceedings of 3rd Edition of International conference on Advanced Spectroscopy Crystallography and Applications in Modern Chemistry 2018 written by EuroScicon and published by EuroScicon. This book was released on 2018-05-29 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: June 04-05, 2018 London, UK Key Topics : Chemical Crystallography, Advanced Crystallography, Crystallography Of Novel Materials, Spectroscopy, Spectroscopy Applications, Crystal Growth, Precession Electron Diffraction (PED), Nuclear Magnetic Resonance Crystallography (NMR Crystallography), Electron Crystallography, Recent Development In The X-Ray Studies, Crystallography Applications, Advances In Neutron Diffraction, Biological Structure Determination, Crystallography In Biology, Application Of Modern Chemistry,
Download or read book Theoretical Solid State Physics Non equilibrium and disorder written by William Jones and published by . This book was released on 1973 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polarons and Excitons in Polar Semiconductors and Ionic Crystals written by J.T. Devreese and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1982 Antwerp Advanced Study Institute on "Physics of Polarons and Excitons in Polar Semiconductors and Ionic Crystals" took place from July 26 till August 5 at the Conference Center Priorij Corsen donk, a restored monastery, close to the city of Antwerp. It was the seventh Institute in our series which started in 1971. This Advanced Study Institute, which was held fifty years after Landau introduced the polaron concept, can be considered as the third major international symposium devoted to the physics of pola rons. The first such symposium took place in St. Andrews in 1962 under the title "Polarons and Excitons" [I]. The early theoretical developments related to polarons were reviewed in depth at this meeting; the derivation of the polaron hamiltonian by Frohlich, the Frohlich weak coupling theory (and the equivalent weak coupling canonical transformations), the Landau-Pekar and Bogolubov strong coupling theory and the Feynman polaron model formulated with his path integrals. The main emphasis was on the polaron self-energy, effective mass and mobility. From the experimental side the first evidence for polaron effects was provided by the pioneering cyclotron and mobility measurements o~ the silver halides by F. e. Brown and his group. Also the significance of polaron effects for the under standing of excitons in ionic crystals was a central topic in St. Andrews. The second Advanced Study Institute concerning polaron physics was organized at the University of Antwerp (R. U. C. A.
Download or read book Wave Scattering from Statistically Rough Surfaces written by F. G. Bass and published by Elsevier. This book was released on 2013-10-22 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wave Scattering from Statistically Rough Surfaces discusses the complications in radio physics and hydro-acoustics in relation to wave transmission under settings seen in nature. Some of the topics that are covered include radar and sonar, the effect of variations in topographic relief or ocean waves on the transmission of radio and sound waves, the reproduction of radio waves from the lower layers of the ionosphere, and the oscillations of signals within the earth-ionosphere waveguide. The book begins with some fundamental idea of wave transmission theory and the theory of random processes as used to rough surfaces and to wave fields. This discussion is followed by an analysis of the average fields of sound and electromagnetic waves. A section on spatial correlation characteristics in the approximation of small perturbations is then given. Another chapter of the text explains the Kirchhoff method. The book will provide useful information to physicists, mechanical engineer, students, and researchers in the field of acoustics.
Download or read book Quantum Many Body Physics in Open Systems Measurement and Strong Correlations written by Yuto Ashida and published by Springer Nature. This book was released on 2020-01-06 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book studies the fundamental aspects of many-body physics in quantum systems open to an external world. Recent remarkable developments in the observation and manipulation of quantum matter at the single-quantum level point to a new research area of open many-body systems, where interactions with an external observer and the environment play a major role. The first part of the book elucidates the influence of measurement backaction from an external observer, revealing new types of quantum critical phenomena and out-of-equilibrium dynamics beyond the conventional paradigm of closed systems. In turn, the second part develops a powerful theoretical approach to study the in- and out-of-equilibrium physics of an open quantum system strongly correlated with an external environment, where the entanglement between the system and the environment plays an essential role. The results obtained here offer essential theoretical results for understanding the many-body physics of quantum systems open to an external world, and can be applied to experimental systems in atomic, molecular and optical physics, quantum information science and condensed matter physics.
Download or read book Polarons and Bipolarons written by Ashok Chatterjee and published by CRC Press. This book was released on 2018-10-09 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive review of the subject of polaron and a thorough account of the sophisticated theories of the polaron. It explains the concept of the polaron physics in as simple a manner as possible and presents the theoretical techniques and mathematical derivations in great detail. Anybody who follows this book will develop a solid command over the subject both conceptually and technically and will be in a position to contribute to this field.
Download or read book Quantum Theory from Small to Large Scales written by Jürg Frohlich and published by Oxford University Press. This book was released on 2012-05-24 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects lecture courses and seminars given at the Les Houches Summer School 2010 on "Quantum Theory: From Small to Large Scales". Fundamental quantum phenomena appear on all scales, from microscopic to macroscopic. Some of the pertinent questions include the onset of decoherence, the dynamics of collective modes, the influence of external randomness and the emergence of dissipative behaviour. Our understanding of such phenomena has been advanced by the study of model systems and by the derivation and analysis of effective dynamics for large systems and over long times. In this field, research in mathematical physics has regularly contributed results that were recognized as essential in the physics community. During the last few years, the key questions have been sharpened and progress on answering them has been particularly strong. This book reviews the state-of-the-art developments in this field and provides the necessary background for future studies. All chapters are written from a pedagogical perspective, making the book accessible to master and PhD students and researchers willing to enter this field.
Download or read book Kinetics and Thermodynamics of Fast Particles in Solids written by Yurii Kashlev and published by CRC Press. This book was released on 2012-10-11 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kinetics and Thermodynamics of Fast Particles in Solids examines the kinetics and non-equilibrium statistical thermodynamics of fast charged particles moving in crystals in different modes. It follows a line of research very different from traditional ways of constructing a theory of radiation effects, which gives a purely mechanistic interpretatio
Download or read book Path Integrals in Physics written by M Chaichian and published by CRC Press. This book was released on 2018-10-03 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Path Integrals in Physics: Volume I, Stochastic Processes and Quantum Mechanics presents the fundamentals of path integrals, both the Wiener and Feynman type, and their many applications in physics. Accessible to a broad community of theoretical physicists, the book deals with systems possessing a infinite number of degrees in freedom. It discusses the general physical background and concepts of the path integral approach used, followed by a detailed presentation of the most typical and important applications as well as problems with either their solutions or hints how to solve them. It describes in detail various applications, including systems with Grassmann variables. Each chapter is self-contained and can be considered as an independent textbook. The book provides a comprehensive, detailed, and systematic account of the subject suitable for both students and experienced researchers.
Download or read book Polarons and Excitons written by Charles Goethe Kuper and published by . This book was released on 1963 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to the theory of the polaron / H. Fröhlich -- Intermediate-coupling polaron theory / David Pines -- Strong-coupling theory of the polaron / G.R. Allcock -- Feynman's path-integral method applied to the equilibrium properties of polarons and related problems / T.D. Schultz -- The electrical transport properties of polarons / P.M. Platzman -- Electron, phonon and polaron propagators / David Pines -- Application of Green's function techniques to the polaron problem / R. Puff and G.D. Whitfield -- Seminars on Green's function methods -- Self-trapping of an electron by the acoustic mode of lattice vibration / Y. Toyozawa -- Seminars on localized ("small") polarons -- Theory of excitons - I / R.J. Elliott -- Theory of excitons - II / H. Haken -- Experiments on the polaron / F.C. Brown -- Seminars on experimental work.
