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1. |
Record Nr. |
UNINA9910820975503321 |
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Autore |
Landau L. D (Lev Davidovich), <1908-1968, > |
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Titolo |
The classical theory of fields / / L. D. Landau and E. M. Lifshitz ; translated from the Russian by Morton Hamermesh |
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Pubbl/distr/stampa |
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Oxford ; ; New York : , : Pergamon Press, , 1975 |
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ISBN |
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0-08-018176-7 |
1-4832-9328-9 |
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Edizione |
[4th ed.] |
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Descrizione fisica |
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1 online resource (1238 p.) |
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Collana |
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Course of theoretical physics ; ; volume 2 |
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Disciplina |
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Soggetti |
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Electromagnetic fields |
Field theory (Physics) |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Translated from the Sixth revised edition of Teorii͡a poli͡a. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Cover image; Title page; Table of Contents; Related Elsevier Titles; Copyright; EXCERPTS FROM THE PREFACES TO THE FIRST AND SECOND EDITIONS; PREFACE TO THE FOURTH ENGLISH EDITION; EDITOR'S PREFACE TO THE SEVENTH RUSSIAN EDITION; NOTATION; Chapter 1: THE PRINCIPLE OF RELATIVITY; Publisher Summary; 1 Velocity of propagation of interaction; 2 Intervals; 3 Proper time; 4 The Lorentz transformation; 5 Transformation of velocities; 6 Four-vectors; 7 Four-dimensional velocity; Chapter 2: RELATIVISTIC MECHANICS; Publisher Summary; 8 The principle of least action |
9 Energy and momentum 10 Transformation of distribution functions; 11 Decay of particles; 12 Invariant cross-section; 13 Elastic collisions of particles; 14 Angular momentum; Chapter 3: CHARGES IN ELECTROMAGNETIC FIELDS; Publisher Summary; 15 Elementary particles in the theory of relativity; 16 Four-potential of a field; 17 Equations of motion of a charge in a field; 18 Gauge invariance; 19 Constant electromagnetic field; 20 Motion in a constant uniform electric field; 21 Motion in a constant uniform magnetic field |
22 Motion of a charge in constant uniform electric and magnetic fields 23 The electromagnetic field tensor; 24 Lorentz transformation of the field; 25 Invariants of the field; Chapter 4: THE ELECTROMAGNETIC FIELD EQUATIONS; Publisher Summary; 26 The first pair of Maxwell's equations; 27 The action function of the electromagnetic field; 28 The |
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four-dimensional current vector; 29 The equation of continuity; 30 The second pair of Maxwell equations; 31 Energy density and energy flux; 32 The energy-momentum tensor; 33 Energy-momentum tensor of the electromagnetic field |
34 The virial theorem 35 The energy-momentum tensor for macroscopic bodies; Chapter 5: CONSTANT ELECTROMAGNETIC FIELDS; Publisher Summary; 36 Coulomb's law; 37 Electrostatic energy of charges; 38 The field of a uniformly moving charge; 39 Motion in the Coulomb field; 40 The dipole moment; 41 Multipole moments; 42 System of charges in an external field; 43 Constant magnetic field; 44 Magnetic moments; 45 Larmor's theorem; Chapter 6: ELECTROMAGNETIC WAVES; Publisher Summary; 46 The wave equation; 47 Plane waves; 48 Monochromatic plane waves; 49 Spectral resolution |
50 Partially polarized light 51 The Fourier resolution of the electrostatic field; 52 Characteristic vibrations of the field; Chapter 7: THE PROPAGATION OF LIGHT; Publisher Summary; 53 Geometrical optics; 54 Intensity; 55 The angular eikonal; 56 Narrow bundles of rays; 57 Image formation with broad bundles of rays; 58 The limits of geometrical optics; 59 Diffraction; 60 Fresnel diffraction; 61 Fraunhofer diffraction; Chapter 8: THE FIELD OF MOVING CHARGES; Publisher Summary; 62 The retarded potentials; 63 The Lienard-Wiechert potentials |
64 Spectral resolution of the retarded potentials |
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Sommario/riassunto |
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Translated from the 6th Russian edition, this latest edition contains seven new sections with chapters on General Relativity, Gravitational Waves and Relativistic Cosmology, where Professor Lifshitz's interests lay. The text of the 3rd English edition has been thoroughly revised and additional problems inserted |
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2. |
Record Nr. |
UNINA9910254206103321 |
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Autore |
Francis Bruce A |
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Titolo |
Flocking and Rendezvous in Distributed Robotics / / by Bruce A. Francis, Manfredi Maggiore |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2016 |
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ISBN |
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Edizione |
[1st ed. 2016.] |
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Descrizione fisica |
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1 online resource (113 p.) |
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Collana |
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SpringerBriefs in Control, Automation and Robotics, , 2192-6786 |
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Disciplina |
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Soggetti |
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Robotics |
Automation |
Automatic control |
System theory |
Robotics and Automation |
Control and Systems Theory |
Systems Theory, Control |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references. |
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Nota di contenuto |
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Introduction -- Models of Mobile Robots in the Plane -- Admissible Controls and the Robot Flocking Problem -- The Robot Rendezvous Problem: Limited Camera Range -- A Convoy Problem -- A Look into the Future: Flying Robots. |
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Sommario/riassunto |
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This brief describes the coordinated control of groups of robots using only sensory input – and no direct external commands. Furthermore, each robot employs the same local strategy, i.e., there are no leaders, and the text also deals with decentralized control, allowing for cases in which no single robot can sense all the others. One can get intuition for the problem from the natural world, for example, flocking birds. How do they achieve and maintain their flying formation? Recognizing their importance as the most basic coordination tasks for mobile robot networks, the brief details flocking and rendezvous. They are shown to be physical illustrations of emergent behaviors with global consensus arising from local interactions. The authors extend the consideration of these fundamental ideas to describe their operation in flying robots |
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and prompt readers to pursue further research in the field. Flocking and Rendezvous in Distributed Robotics will provide graduate students a firm grounding in the subject, while also offering an authoritative reference work for more experienced workers seeking a brief but thorough treatment of an area that has rapidly gained in interest. |
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