Statistical Physics, Part 2 (Course of Theoretical Physics), Volume 9 | Date: 06 May 2011, 20:23
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The second part of 'Statistical Physics' deals with the quantum theory of the condensed state of matter. This volume is essentially an entirely new book, based on the large amount of new material which has become available in statistical physics since' Part 1' was published.
Summary: Green's functions, superfluids, superconductors, magnetism
Rating: 5
This review is for Volume 9 of the Landau Course of Theoretical Physics.
The whole Course is clear and concise, so it makes sense for anyone who wants to do theoretical physics to go through all ten volumes.
We start off with normal Fermi liquids and gases, including a nice discussion of Zero Sound (which is distinguished from normal sound mostly by a slight increase in the sound velocity as one gets colder than a transition temperature, and by increased absorption of sound near the transition temperature). Then we learn about Green's functions in a Fermi system at T = 0 and Feynman diagram representations of them.
After that, we study Bose liquids and gases. That means the properties of superfluids, including quasi-particles (phonons and rotons) and quantized vortex filaments. And the book shows how to apply Green's functions to Bose liquids. There's an interesting section on the disintegration of quasi-particles. Next, we're introduced to Green's functions for T > 0, using the Matsubara operators to reduce the complexity of the diagrams.
And then we're ready to learn about superconductors. That means learning about Cooper pairing and superfluid Fermi gases, and learning how to apply Green's functions to them. And, not surprisingly, we learn the Ginzburg-Landau equations, so that we can determine the behavior of superconductors in magnetic fields in temperature ranges near the transition point.
There's also a chapter on electrons in the crystal lattice, including the de Hass-van Alphen effect (which refers to a metal's magnetic susceptibility oscillating as the strength of a strong magnetic field changes - due to the quantization of the energy levels of the electrons) and electron-phonon interactions. And there's a nice chapter on magnetism.
In the preface, the authors state "we must again stress that this book is part of a course of theoretical physics and in no way attempts to be a textbook of solid state theory." Are they kidding? This course is an excellent way to learn solid state physics.
Summary: Great Book, the best I've ever seen!
Rating: 5
no words can describe the richness and clarity of this book.the description of Maxwell's distribution, Gibbs formalism,etc...all with marvelous clarity and rigour. Everyone who wants to learn statistical Mechanics (under and graduates) MUST read this book.
Summary: Unrivalled Masterpiece
Rating: 5
This book is a classic, especially in the sense it is somewhat old fashioned in its basic approaches when compared with newer books. For example it examines statistics and entropy from the ergodic as opposed to the ensemble approach. Information Theory and role of symmetry and symmetry breaking is not treated in detail. However I can't hold these omissions against the book since these developments happend mostly in the late 70s.
What Landau does here, and which in explicably very few Statistical Mechanics books do nowadays, is the full Gibbs Formalism. Not only is the Gibbs Formalism more compatible with Quantum Mechanics, it can also fits in beautifully with Ensemble Statistics and Inofrmation Theory. More over, it is at once clear Maxwell and Boltzmann statistics are only special cases of the Gibbs formalism, and can be easily shown in a few lines.
What Landau does, is to gave an elegant and cohesive view the trully fundamental features of Statistical Mechanics. Chapters 1-6 of this book alone displays a deeper level of understanding than whole books that have been written. If you are interested in Statistical Mechanics at all, this must be a centerpiece of your library.
Summary: A UNIQUE BO
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