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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.
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Ch. 1. Elements of vector and tensor theory -- ch. 2. Angular momentum operators -- ch. 3. Irreducible tensors -- ch. 4. Wigner D-functions -- ch. 5. Spherical harmonics -- ch. 6. Spin functions -- ch. 7. Tensor spherical harmonics -- ch. 8. Clebsch-Gordan coefficients and 3jm symbols -- ch. 9. 6j symbols and the Racah coefficients -- ch. 10. 9j and 12j symbols -- ch. 11. The graphical method in angular momentum theory -- ch. 12. Sums involving vector addition and recoupling coefficients -- ch. 13. matrix elements of irreducible tensor operators
Despite recent interest in the effects of restructuring and redesigning the work place, the link between individual identity and structural change has usually been asserted rather than demonstrated. Through an extensive review of data from field work in a multi-national corporation Catherine Casey changes this. She knows that changes currently occurring in the world of work are part of the vast social and cultural changes that are challenging the assumptions of modern industrialism. These events affect what people do everyday, and they are altering relations among ourselves and with the physical world. This valuable book is not only a critcal analysis of the transformations occurring in the world of work, but an exploration of the effects of contemporary practices of work on the self.
Generation to Generation presents one of the first comprehensive overviews of family business as a specific organizational form. Focusing on the inevitable maturing of families and their firms over time, the authors reveal the dynamics and challenges family businesses face as they move through their life cycles. The book asks questions, such as: what is the difference between an entrepreneurial start-up and a family business, and how does one become the other? How does the meaning of the business to the family change as adults and children age? How do families move through generational changes in leadership, from anticipation to transfer, and then separation and retirement? This book is divided into three sections that present a multidimensional model of a family business. The authors use the model to explore the various stages in the family business life span and extract generalizable lessons about how family businesses should be organized.
From Booker Prize-winner Ben Okri: twelve of his most controversial non-fiction pieces form this collection on the theme of freedom. Ranging from the personal to the analytical, covering subjects such as art, politics, storytelling and creativity, A WAY OF BEING FREE confirms Okri's place as one of the most inspiring of contemporary writers. 'All I wanted to do was to remind myself at all times to just sing my song. To just sing it through all the difficulties and silences' BEN OKRI.
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Presents a detailed description of medieval medical treatments available during the Crusades.