Sinossi
Detailed account of important technique for researchers and graduate students working in condensed matter and theoretical physics.
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Descrizione del libro
In this detailed account of bosonization the first part presents technical aspects, the second part explores applications of bosonization to realistic models, and the final part addresses the problems of quantum impurities. It is an excellent reference for researchers and graduate students working in theoretical physics, condensed matter physics and field theory.
Contenuti
Preface; Acknowledgements; Part I. Technical Aspects of Bosonization: 1. A simple case of Bose-Fermi equivalence: Jordan-Wigner transformation; 2. One-dimensional fermions. States near the Fermi points; 3. Gaussian model. Lagrangian formulation; 4. Conformal symmetry and finite size effects; 5. Virasoro algebra; 6. Structure of Hilbert space in conformal theories; 7. Current (Kac-Moody) algebras: the first assault; 8. Relevant and irrelevant fields; 9. Bose-Einstein condensation in two dimensions; Beresinskii-Kosterlitz-Thouless transition; 10. The sine-Gordon model; 11. Spin S=1/2 Heisenberg-Ising chain; 12. Ising model; 13. More about WZNW model; 14. Non-Abelian bosonization; Part II. Application of the Bosonization Technique to Physical Models in (1+1)-Dimensions: 15. Interacting fermions with spin; 16. Spin-1/2 Tomonaga-Luttinger liquid; 17. Instabilities of Tomonaga-Luttinger liquid; 18. Interacting fermions with broken spin rotational symmetry; 19. What happens with Tomonaga-Luttinger liquid in three dimensions; 20. Two weakly coupled Tomonaga-Luttinger liquids; spinless case; 21. Spin liquids in one dimension: example of spin-ladders; 22. Spin-1/2 Heisenberg chain with alternating exchange; 23. Superconductivity in a doped spin liquid; 24. Edge states in quantum Hall effect; Part III. Single Impurity Problems: 25. Potential scattering; 26. X-ray edge problem (Fermi liquids); 27. Impurities in Tomonaga-Luttinger liquid; 28. Multi-channel Kondo problem; General Bibliography; Index.
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