Download or read book Non Relativistic QED Theory of the van der Waals Dispersion Interaction written by Akbar Salam and published by Springer. This book was released on 2016-09-29 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides details of the calculation of the interaction between two neutral polarizable atoms or molecules using molecular quantum electrodynamics (QED). To better understand the origin of this force, it briefly outlines molecular QED theory, the well-known van der Waals dispersion potential first evaluated by Casimir and Polder, who accounted for retardation effects. It presents different calculation schemes for the evaluation of the dispersion potential and also discusses energy shifts involving electric quadrupole and octupole moments, along with discriminatory dispersion potentials. Further, it explores in detail non-additive dispersion interaction energies between three-bodies, as well as the effects of higher multipole moment correction terms, and provides results for specific geometries such as collinear and equilateral triangles. Lastly, it computes near and far-zone asymptotic limits for both pair and many-body potentials, with the former shown to agree with less rigorous semi-classical calculations.
Download or read book New Trends in Quantum Electrodynamics written by Roberto Passante and published by MDPI. This book was released on 2020-04-01 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects research and review articles covering some recent trends in nonrelativistic quantum electrodynamics, specifically the interaction of atoms or molecules within the quantum electromagnetic radiation field and the related physical effects. Specific topics covered are: two- and three-body dispersion interactions between atoms and molecules, both in the nonretarded van der Waals and the retarded Casimir–Polder regime; vacuum field fluctuations of the electromagnetic field and their effect in atomic systems; dispersion interactions between uniformly accelerating atoms and relation with the Fulling–Davies–Unruh effect; dynamics of atomic systems under strong electromagnetic fields; symmetries in quantum electrodynamics; and open quantum systems.
Download or read book Quantum Mathematics II written by Michele Correggi and published by Springer Nature. This book was released on 2024-01-09 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the second volume that provides an unique overview of the most recent and relevant contributions in the field of mathematical physics with a focus on the mathematical features of quantum mechanics. It is a collection of review papers together with brand new works related to the activities of the INdAM Intensive Period "INdAM Quantum Meetings (IQM22)", which took place at the Politecnico di Milano in Spring 2022 at Politecnico di Milano. The range of topics covered by the book is wide, going ranging from many-body quantum mechanics to quantum field theory and open quantum systems.
Download or read book Van Der Waals Forces in the Context of Non relativistic Quantum Electrodynamics written by Mario Johannes Koppen and published by . This book was released on 2011 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Photonics Volume 1 written by David L. Andrews and published by John Wiley & Sons. This book was released on 2015-01-16 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers modern photonics accessibly and discusses the basic physical principles underlying all the applications and technology of photonics. This volume covers the basic physical principles underlying the technology and all applications of photonics from statistical optics to quantum optics. The topics discussed in this volume are: Photons in perspective; Coherence and Statistical Optics; Complex Light and Singular Optics; Electrodynamics of Dielectric Media; Fast and slow Light; Holography; Multiphoton Processes; Optical Angular Momentum; Optical Forces, Trapping and Manipulation; Polarization States; Quantum Electrodynamics; Quantum Information and Computing; Quantum Optics; Resonance Energy Transfer; Surface Optics; Ultrafast Pulse Phenomena. Comprehensive and accessible coverage of the whole of modern photonics Emphasizes processes and applications that specifically exploit photon attributes of light Deals with the rapidly advancing area of modern optics Chapters are written by top scientists in their field Written for the graduate level student in physical sciences; Industrial and academic researchers in photonics, graduate students in the area; College lecturers, educators, policymakers, consultants, Scientific and technical libraries, government laboratories, NIH.
Download or read book Molecular Quantum Electrodynamics written by Akbar Salam and published by John Wiley & Sons. This book was released on 2009-11-16 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first such book devoted exclusively to the MQED theory of long-range intermolecular forces, this resource gives the first presentation of the second quantized Maxwell field formulation of the theory. The coverage includes recently developed non-perturbative approaches for treating a variety of intermolecular interactions. It also provides a comprehensive treatment of discriminatory forces and their subsequent modification by a radiation field. This provides an essential resource for theoretical and physical chemists; atomic, molecular, and optical physicists; as well as biophysicists, materials scientists, and nanochemists.
Download or read book Cold Chemistry written by Olivier Dulieu and published by Royal Society of Chemistry. This book was released on 2017-12-06 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have seen tremendous progress in research on cold and controlled molecular collisions, both in theory and in experiment. The advent of techniques to prepare cold and ultracold molecules and ions, to store them in optical lattices or in charged quasicristalline structures, and to use them in crossed or merged beam experiments have opened many new possibilities to study the most fundamental aspects of molecular interactions. At the same time, theoretical work has made progress in tackling these problems and accurately describing quantum effects in complex systems, and in proposing viable options to control chemical reactions at ultralow energies. Through tutorials on both the theoretical and experimental aspects of research in cold and ultracold molecular collisions, this book provides advanced undergraduate students, graduate students and researchers with the foundations needed to understand this exciting field.
Download or read book Relativistic Quantum Mechanics of Leptons and Fields written by W.T. Grandy and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The material contained in this work concerns relativistic quantum mechanics, and as such pertains to classical fields. On the one hand it is meant to serve as a text on the subject, a desire stemming from the author's fruitless searches for an adequate, up-to-date reference when lecturing on these topics. At times the supplementary material was found to exceed by far that in the assigned text. On the other hand, there is some flavor of a monograph to what follows, most particularly in the later chapters, for a major goal is to demonstrate just how far we can advance our understanding of the behavior of stable particles and their interactions without introducing quantized fields. Those wishing to describe the world in this way may view the result as a point of departure, despite the fact that their wish remains unfulfilled. Confirmed quantum-field theorists, however, will doubtless view it as a summary of just why they feel compelled to quantize the fields. Approximately half the book is devoted to the single-particle Dirac equation and its solutions. A great deal of detail is provided in this respect, and the discus sion is reasonably comprehensive. The Dirac equation is extraordinarily important in its own right, particularly as a basis for quantum electrodynamics (QED), and is thus worthy of extensive study.
Download or read book On the Nonrelativistic Limit of Quantum Electrodynamics written by Nadine Suzan Cetin and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum electrodynamics (QED) is a quantum field theory describing light-matter interaction processes on all energy scales. In QED, not only photons are represented as occupied modes of a quantum field, but also electrons (matter) and positrons (antimatter). The necessity of the introduction of antimatter, which goes back to P.A.M. Dirac, has finally the consequence that the QED quantum field cannot be decomposed into its components (particles and photons), since in this sector of light-matter interactions there are processes allowed which violate the particle number conservation. This radically distinguishes QED from the low-energy sector of the light-matter interactions on the energy scale of atomic physics. Starting from the QED Hamiltonian in the Coulomb gauge, a unitary transformation is therefore sought that leads to a unitary equivalent QED Hamiltonian that manifestly preserves the particle number. This is feasible applying Wegner's flow equation in combination with perturbation theory, with the fine structure constant serving as the expansion parameter. In this way, first, high-energy photons, and second, modes of high matter and antimatter densities are eliminated from the QED quantum field up to second order. The resulting Hamiltonian preserves the particle number, is completely symmetric in all its constituents and in all interactions, and also includes terms which renormalize the bare mass of the electron (or the positron). Since this Hamiltonian is still in the Dirac representation, the matter and antimatter degrees of freedom must be decoupled from each other with the help of the Eriksen transformation. By this decoupling, the bare mass of the electron is consistently renormalized, and the anomalous magnetic moment is found in agreement with the Schwinger result. It is thus possible to establish the nonrelativistic limit of full QED as the low-energy sector of light-matter interaction processes in which the electron (or positron) can be interpreted as a classical point particle with the measurable attributes of mass, charge and spin, and in which the particle number is a conservation quantity.
Download or read book Density Functional Theory in Quantum Chemistry written by Takao Tsuneda and published by Springer Science & Business Media. This book was released on 2014-02-18 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, density functional theory (DFT) is introduced within the overall context of quantum chemistry. DFT has become the most frequently used theory in quantum chemistry calculations. However, thus far, there has been no book on the fundamentals of DFT that uses the terminology and methodology of quantum chemistry, which is familiar to many chemists, including experimentalists. This book first reviews the basic concepts and historical background of quantum chemistry and then explains those of DFT, showing how the latter fits into the bigger picture. Recent interesting topics of DFT in chemistry are also targeted. In particular, the physical meanings of state-of-the-art exchange-correlation functionals and their corrections are described in detail. Owing to its unconventionality, this book is certain to be of great interest not only to chemists but also to solid state physicists.
Download or read book Modern Optics and Photonics written by Gagik Grigorʹevich Gurzadi︠a︡n and published by World Scientific. This book was released on 2010 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ligt propagation : from atomic to nuclear quantum optics / J. Evers [und weitere] -- Relativistic high-order harmonic generation / M.C. Kohler and K.Z. Hatsagortsyan -- Entangled light and matter waves via non-linear interactions / M. Macovei, G. Yu. Kryuchkyan and G.-X. Li -- Irreversible photon transfer in an ensemble of [symbol]-type atoms and photon diode / G. Nikoghosyan and M. Fleischhauer -- Dissipative chaos in quantum distributions / T.V. Gevorgyan [und weitere] -- Frequency chirped laser pulses in atomic physics : coherent control of inner and translational quantum states / G.P. Djotyan [und weitere] -- Strongly correlated quantum dynamics of multimode light coupled to a two-level atom in a cavity / T. Kumar, A.B. Bhattacherjee and M. Mohan -- Feedback-driven adiabatic quantum dynamics / A.E. Allahverdyan and G. Mahler -- Landau-Zener transition in nonlinear quantum systems / A.M. Ishkhanyan -- Multiple interactions in multilayered structures of nonlinear materials / D.A. Antonosyan and G. Yu. Kryuchkyan -- Integrated photonic device structures with nano-scale features : for sensitive applications / R.M. De La Rue -- One-, two-electronic and excitonic states in a quantum dots with nontrivial geometries : adiabatic description / K.G. Dvoyan, E.M. Kazaryan and H.A. Sarkisyan -- Planar plasmonic structures and non-linear metal-dielectic subwavelength waveguides / A.R. Davoyan, I.V. Shadrivov and Yu. S. Kivshar -- Computer algebra study of structural and symmetry properties of discrete dynamical systems / V.V. Kornyak -- Exotic few-body bound states in a lattice / D. Petrosyan and M. Valiente -- Slow light and phase transition in the array of atomic polaritons / I.O. Barinov [und weitere] -- Formation of narrow optical resonances using submicron-thin atomic vapor layers / D. Sarkisyan and A. Papoyan -- Modelling magneto-optical resonances in atomic rubidium at D1 excitation in extremely thin cells while maintaining a self-consistent set of theoretical parameters / L. Kalvans [und weitere] -- Laser isotope separation in atomic vapour. Photo-chemical methods vs. photo-ionization one / P.A. Bokhan [und weitere] -- Two-dimensional confined terahertz wave propagation in gap plasmon waveguide formed by two cylindrical surfaces / Yu. H. Avetisyan [und weitere] -- Broadband similariton : features and applications / A. Zeytunyan [und weitere]
Download or read book Strong Light matter Coupling written by Leong Chuan Kwek and published by World Scientific. This book was released on 2013-12-23 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: The physics of strong light-matter coupling has been addressed in different scientific communities over the last three decades. Since the early eighties, atoms coupled to optical and microwave cavities have led to pioneering demonstrations of cavity quantum electrodynamics, Gedanken experiments, and building blocks for quantum information processing, for which the Nobel Prize in Physics was awarded in 2012. In the framework of semiconducting devices, strong coupling has allowed investigations into the physics of Bose gases in solid-state environments, and the latter holds promise for exploiting light-matter interaction at the single-photon level in scalable architectures. More recently, impressive developments in the so-called superconducting circuit QED have opened another fundamental playground to revisit cavity quantum electrodynamics for practical and fundamental purposes. This book aims at developing the necessary interface between these communities, by providing future researchers with a robust conceptual, theoretical and experimental basis on strong light-matter coupling, both in the classical and in the quantum regimes. In addition, the emphasis is on new forefront research topics currently developed around the physics of strong light-matter interaction in the atomic and solid-state scenarios.
Download or read book Physics Briefs written by and published by . This book was released on 1994 with total page 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Atom Photon Interactions written by Claude Cohen-Tannoudji and published by John Wiley & Sons. This book was released on 1998-03-23 with total page 691 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atom-Photon Interactions: Basic Processes and Applications allows the reader to master various aspects of the physics of the interaction between light and matter. It is devoted to the study of the interactions between photons and atoms in atomic and molecular physics, quantum optics, and laser physics. The elementary processes in which photons are emitted, absorbed, scattered, or exchanged between atoms are treated in detail and described using diagrammatic representation. The book presents different theoretical approaches, including: Perturbative methods The resolvent method Use of the master equation The Langevin equation The optical Bloch equations The dressed-atom approach Each method is presented in a self-contained manner so that it may be studied independently. Many applications of these approaches to simple and important physical phenomena are given to illustrate the potential and limitations of each method.
Download or read book Gravity superconductors Interactions written by Giovanni Modanese and published by Bentham Science Publishers. This book was released on 2012 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Recent developments in gravity-superconductivity interactions have been summarized by several researchers. If gravitation has to be eventually reconciled with quantum mechanics, the macroscopic quantum character of superconductors might actually matter. T"
Download or read book Atoms Molecules and Photons written by Wolfgang Demtröder and published by Springer. This book was released on 2019-02-09 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: This introduction to Atomic and Molecular Physics explains how our present model of atoms and molecules has been developed over the last two centuries both by many experimental discoveries and, from the theoretical side, by the introduction of quantum physics to the adequate description of micro-particles. It illustrates the wave model of particles by many examples and shows the limits of classical description. The interaction of electromagnetic radiation with atoms and molecules and its potential for spectroscopy is outlined in more detail and in particular lasers as modern spectroscopic tools are discussed more thoroughly. Many examples and problems with solutions are offered to encourage readers to actively engage in applying and adapting the fundamental physics presented in this textbook to specific situations. Completely revised third edition with new sections covering all actual developments, like photonics, ultrashort lasers, ultraprecise frequency combs, free electron lasers, cooling and trapping of atoms, quantum optics and quantum information.
Download or read book Exploring the Quantum written by Serge Haroche and published by OUP Oxford. This book was released on 2006-08-11 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: The counter-intuitive aspects of quantum physics have been long illustrated by thought experiments, from Einstein's photon box to Schrödinger's cat. These experiments have now become real, with single particles - electrons, atoms, or photons - directly unveiling the strange features of the quantum. State superpositions, entanglement and complementarity define a novel quantum logic which can be harnessed for information processing, raising great hopes for applications. This book describes a class of such thought experiments made real. Juggling with atoms and photons confined in cavities, ions or cold atoms in traps, is here an incentive to shed a new light on the basic concepts of quantum physics. Measurement processes and decoherence at the quantum-classical boundary are highlighted. This volume, which combines theory and experiments, will be of interest to students in quantum physics, teachers seeking illustrations for their lectures and new problem sets, researchers in quantum optics and quantum information.
