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Self-consistent Quantum-Field Theory and Bosonization for Strongly Correlated Electron Systems

2003-07-01 Science
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Release : 2003-07-01
Genre : Science
Kind : eBook
Book Rating : 363/5 ( reviews)

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Book Synopsis Self-consistent Quantum-Field Theory and Bosonization for Strongly Correlated Electron Systems by : Rudolf Haussmann

Download or read book Self-consistent Quantum-Field Theory and Bosonization for Strongly Correlated Electron Systems written by Rudolf Haussmann. This book was released on 2003-07-01. Available in PDF, EPUB and Kindle. Book excerpt: This research monograph offers an introduction to advanced quantum field theoretical techniques for many-particle systems beyond perturbation theory. Several schemes for resummation of the Feynman diagrams are described. The resulting approximations are especially well suited for strongly correlated fermion and boson systems. Also considered is the crossover from BCS superconductivity to Bose--Einstein condensation in fermion systems with strong attractive interaction. In particular, a field theoretic formulation of "bosonization" is presented; it is published here for the first time. This method is applied to the fractional quantum Hall effect, to the Coulomb plasma, and to several exactly solvable models.

Quantum Field Theory in Strongly Correlated Electronic Systems

1999-09-20 Science
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Release : 1999-09-20
Genre : Science
Kind : eBook
Book Rating : 815/5 ( reviews)

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Book Synopsis Quantum Field Theory in Strongly Correlated Electronic Systems by : Naoto Nagaosa

Download or read book Quantum Field Theory in Strongly Correlated Electronic Systems written by Naoto Nagaosa. This book was released on 1999-09-20. Available in PDF, EPUB and Kindle. Book excerpt: In this book the author extends the concepts introduced in his Quantum Field Theory in Condensed Matter Physics to situations in which the strong electronic correlations are crucial for the understanding of the observed phenomena. Starting from a model field theory to illustrate the basic ideas, more complex systems are analyzed in turn. A special chapter is devoted to the description of antiferromagnets, doped Mott insulators, and quantum Hall liquids from the point of view of gauge theory.

Mathematical Methods of Many-Body Quantum Field Theory

2004-08-30 Mathematics
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Release : 2004-08-30
Genre : Mathematics
Kind : eBook
Book Rating : 05X/5 ( reviews)

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Book Synopsis Mathematical Methods of Many-Body Quantum Field Theory by : Detlef Lehmann

Download or read book Mathematical Methods of Many-Body Quantum Field Theory written by Detlef Lehmann. This book was released on 2004-08-30. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical Methods of Many-Body Quantum Field Theory offers a comprehensive, mathematically rigorous treatment of many-body physics. It develops the mathematical tools for describing quantum many-body systems and applies them to the many-electron system. These tools include the formalism of second quantization, field theoretical perturbation theo

Quench Dynamics in Interacting and Superconducting Nanojunctions

2020-02-05 Technology & Engineering
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Release : 2020-02-05
Genre : Technology & Engineering
Kind : eBook
Book Rating : 956/5 ( reviews)

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Book Synopsis Quench Dynamics in Interacting and Superconducting Nanojunctions by : Rubén Seoane Souto

Download or read book Quench Dynamics in Interacting and Superconducting Nanojunctions written by Rubén Seoane Souto. This book was released on 2020-02-05. Available in PDF, EPUB and Kindle. Book excerpt: Effects of many-body interactions and superconducting correlations have become central questions in the quantum transport community. While most previous works investigating current fluctuations in nanodevices have been restricted to the stationary regime, Seoane's thesis extends these studies to the time domain. It provides relevant information about the time onset of electronic correlations mediated by interactions and superconductivity. This knowledge is essential for the development of fast electronic devices, as well as novel applications requiring fast manipulations, such as quantum information processing. In addition, the thesis establishes contact with issues of broad current interest such as non-equilibrium quantum phase transitions.

Quantum Matter at Ultralow Temperatures

2016-09-27 Science
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Release : 2016-09-27
Genre : Science
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Book Rating : 946/5 ( reviews)

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Book Synopsis Quantum Matter at Ultralow Temperatures by : M. Inguscio

Download or read book Quantum Matter at Ultralow Temperatures written by M. Inguscio. This book was released on 2016-09-27. Available in PDF, EPUB and Kindle. Book excerpt: The Enrico Fermi summer school on Quantum Matter at Ultralow Temperatures held on 7-15 July 2014 at Varenna, Italy, featured important frontiers in the field of ultracold atoms. For the last 25 years, this field has undergone dramatic developments, which were chronicled by several Varenna summer schools, in 1991 on Laser Manipulation of Atoms, in 1998 on Bose-Einstein Condensation in Atomic Gases, and in 2006 on Ultra-cold Fermi Gases. The theme of the 2014 school demonstrates that the field has now branched out into many different directions, where the tools and precision of atomic physics are used to realise new quantum systems, or in other words, to quantum-engineer interesting Hamiltonians. The topics of the school identify major new directions: Quantum gases with long range interactions, either due to strong magnetic dipole forces, due to Rydberg excitations, or, for polar molecules, due to electric dipole interactions; quantum gases in lower dimensions; quantum gases with disorder; atoms in optical lattices, now with single-site optical resolution; systems with non-trivial topological properties, e.g. with spin-orbit coupling or in artificial gauge fields; quantum impurity problems (Bose and Fermi polarons); quantum magnetism. Fermi gases with strong interactions, spinor Bose-Einstein condensates and coupled multi-component Bose gases or Bose-Fermi mixtures continue to be active areas. The current status of several of these areas is systematically summarized in this volume.

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