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Author: J. Schechter
Publisher:
ISBN:
Category : Eightfold way (Nuclear physics)
Languages : en
Pages : 38
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Book Description
Author: J. Schechter
Publisher:
ISBN:
Category : Eightfold way (Nuclear physics)
Languages : en
Pages : 38
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Book Description
Author: D Lichtenberg
Publisher: Elsevier
ISBN: 032316191X
Category : Science
Languages : en
Pages : 294
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Book Description
Unitary Symmetry and Elementary Particles, Second Edition presents the role of symmetry in the study of the physics of the elementary particles. This book discusses the nature and scope of unitary symmetry in physics. Comprised of 12 chapters, this edition starts with an overview of the theories of electromagnetism and gravitation to describe the behavior of certain physical systems. This text then examines the two main categories of the mathematical properties of groups, namely, the properties of abstract groups and the properties of representations of groups. Other chapters consider the use of group theory, which is a significant tool in studying symmetry. This book discusses as well the states that are the basis vectors of irreducible unitary representations of Lie group. The final chapter deals with the quark model, which provides a useful way to understand many properties of hadrons in terms of simpler entities. This book is a valuable resource for physicists.
Author: D. B. Lichtenberg
Publisher: Academic Press
ISBN: 1483266265
Category : Science
Languages : en
Pages : 263
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Book Description
Unitary Symmetry and Elementary Particles discusses the role of symmetry in elementary particle physics. The book reviews the theory of abstract groups and group representations including Eigenstates, cosets, conjugate classes, unitary vector spaces, unitary representations, multiplets, and conservation laws. The text also explains the concept of Young Diagrams or Young Tableaux to prove the basis functions of the unitary irreducible representations of the unitary group SU(n). The book defines Lie groups, Lie algebras, and gives some examples of these groups. The basis vectors of irreducible unitary representations of Lie groups constitute a multiplet, which according to Racah (1965) and Behrends et al. (1962) can have properties of weights. The text also explains the properties of Clebsch-Gordan coefficients and the Wigner-Eckart theorem. SU(3) multiplets have members classified as hadrons (strongly interacting particles), of which one characteristic show that the mass differences of these members have some regular properties. The Gell-Mann and Ne-eman postulate also explains another characteristic peculiar to known multiplets. The book describes the quark model, as well as, the uses of the variants of the quark model. This collection is suitable for researchers and scientists in the field of applied mathematics, nuclear physics, and quantum mechanics.
Author: James D. Louck
Publisher: World Scientific
ISBN: 9814350729
Category : Mathematics
Languages : en
Pages : 381
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Book Description
1. Composite quantum systems. 1.1. Introduction. 1.2. Angular momentum state vectors of a composite system. 1.3. Standard form of the Kronecker direct sum. 1.4. Recoupling matrices. 1.5. Preliminary results on doubly stochastic matrices and permutation matrices. 1.6. Relationship between doubly stochastic matrices and density matrices in angular momentum theory -- 2. Algebra of permutation matrices. 2.1. Introduction. 2.2. Basis sets of permutation matrices -- 3. Coordinates of A in basis [symbol]. 3.1. Notations. 3.2. The A-expansion rule in the basis [symbol]. 3.3. Dual matrices in the basis set [symbol](e, p). 3.4. The general dual matrices in the basis [symbol](e, p) -- 4. Further applications of permutation matrices. 4.1. Introduction. 4.2. An algebra of young operators. 4.3. Matrix Schur functions. 4.4. Real orthogonal irreducible representations of S[symbol]. 4.5. Left and right regular representations of finite groups -- 5. Doubly stochastic matrices in angular momentum theory. 5.1. Introduction. 5.2. Abstractions and interpretations. 5.3. Permutation matrices as doubly stochastic. 5.4 The doubly stochastic matrix for a single system with angular momentum J. 5.5. Doubly stochastic matrices for composite angular momentum systems. 5.6. Binary coupling of angular momenta. 5.7. State vectors : Uncoupled and coupled. 5.8. General binary tree couplings and doubly stochastic matrices -- 6. Magic squares. 6.1. Review. 6.2. Magic squares and addition of angular momenta. 6.3. Rational generating function of H[symbol](r) -- 7. Alternating sign matrices. 7.1. Introduction. 7.2. Standard Gelfand-Tsetlin patterns. 7.3. Strict Gelfand-Tsetlin patterns for [symbol] = (nn-1 ... 21). 7.4. Sign-reversal-shift invariant polynomials. 7.5. The requirement of zeros. 7.6. The incidence matrix formulation -- 8. The Heisenberg magnetic ring. 8.1. Introduction. 8.2. Matrix elements of H in the uncoupled and coupled bases. 8.3. Exact solution of the Heisenberg ring magnet for n = 2,3,4. 8.4. The Heisenberg Ring Hamiltonian : Even n. 8.5. The Heisenberg Ring Hamiltonian : Odd n. 8.6. Recount, synthesis, and critique. 8.7 Action of the cyclic group. 8.8. Concluding remarks
Author: James D. Louck
Publisher: World Scientific
ISBN: 9812814728
Category : Science
Languages : en
Pages : 642
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Book Description
Notation -- Quantum angular momentum -- Composite systems -- Graphs and adjacency diagrams -- Generating functions -- The D[lambda] polynomials: form -- Operator actions in Hilbert space -- The D[lambda] polynomials: structure -- The general linear and unitary groups -- Tensor operator theory -- Compendium A. Basic algebraic objects -- Compendium B. Combinatorial objects.
Author: Das Ashok
Publisher: #N/A
ISBN: 9814611336
Category :
Languages : en
Pages : 344
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Book Description
This conference celebrates the 40th anniversary of the first Rochester Conference and honours Prof. Susumu Okubo on his 60th birthday. The original Rochester Conference brought a small group of leading physicists to discuss current results and trends in both theory and experiment. The present conference has also adhered to this format — covering the developments in particle physics over the last forty years and presenting the latest theoretical and experimental results in the field.
Author: James D Louck
Publisher: World Scientific
ISBN: 9814470961
Category : Science
Languages : en
Pages : 642
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Book Description
This monograph integrates unitary symmetry and combinatorics, showing in great detail how the coupling of angular momenta in quantum mechanics is related to binary trees, trivalent trees, cubic graphs, MacMahon's master theorem, and other basic combinatorial concepts. A comprehensive theory of recoupling matrices for quantum angular momentum is developed. For the general unitary group, polynomial forms in many variables called matrix Schur functions have the remarkable property of giving all irreducible representations of the general unitary group and are the basic objects of study. The structure of these irreducible polynomials and the reduction of their Kronecker product is developed in detail, as is the theory of tensor operators.
Author: M Chaichian
Publisher: CRC Press
ISBN: 1000944166
Category : Science
Languages : en
Pages : 320
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Book Description
Symmetries in Quantum Mechanics: From Angular Momentum to Supersymmetry (PBK) provides a thorough, didactic exposition of the role of symmetry, particularly rotational symmetry, in quantum mechanics. The bulk of the book covers the description of rotations (geometrically and group-theoretically) and their representations, and the quantum theory of angular momentum. Later chapters introduce more advanced topics such as relativistic theory, supersymmetry, anyons, fractional spin, and statistics. With clear, in-depth explanations, the book is ideal for use as a course text for postgraduate and advanced undergraduate students in physics and those specializing in theoretical physics. It is also useful for researchers looking for an accessible introduction to this important area of quantum theory.
Author: F. J. Bloore
Publisher:
ISBN:
Category : Eightfold way (Nuclear physics)
Languages : en
Pages : 344
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Book Description
Author: C. D. Froggatt
Publisher: World Scientific
ISBN: 9789971966300
Category : Science
Languages : en
Pages : 600
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Book Description
The development in our understanding of symmetry principles is reviewed. Many symmetries, such as charge conjugation, parity and strangeness, are no longer considered as fundamental but as natural consequences of a gauge field theory of strong and electromagnetic interactions. Other symmetries arise naturally from physical models in some limiting situation, such as for low energy or low mass. Random dynamics and attempts to explain all symmetries ? even Lorentz invariance and gauge invariance ? without appealing to any fundamental invariance of the laws of nature are discussed. A selection of original papers is reprinted.
