Quantum Phase Transitions 2nd Edition by Subir Sachdev | (PDF) Free Download

Description

Describing the physical properties of quantum materials near critical points with long-range many-body quantum entanglement, this book introduces readers to the basic theory of quantum phases, their phase transitions and their observable properties. This second edition begins with a new section suitable for an introductory course on quantum phase transitions, assuming no prior knowledge of quantum field theory. It also contains several new chapters to cover important recent advances, such as the Fermi gas near unitarity, Dirac fermions, Fermi liquids and their phase transitions, quantum magnetism, and solvable models obtained from string theory. After introducing the basic theory, it moves on to a detailed description of the canonical quantum-critical phase diagram at non-zero temperatures. Finally, a variety of more complex models are explored. This book is ideal for graduate students and researchers in condensed matter physics and particle and string theory.

User’s Reviews

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐I am working through this book now and just about to finish part II.If I am not mistaken, this is currently the only book dealing exclusive with the subject of quantum phase transition.A basic recurring theme is: at T=0 you have a critical point and two (quantum) phases on two sides. Add a little temperature, and you gets a few thermally-excited quasiparticles above the ground state on either side of the critical point. Except when you are immediately above the critical point, where the quasiparticle picture breaks down.Sachdev systematically treats each model in the same way. First he would establish the behaviors of the two zero-T phases, and then discuss the finite-T region where the physics can be described by quasiparticles, and finally treat the quantum critical regime. Having a unifying structure makes grasping the concept easier.That said, Sachdev does assume a very good foundation in QFT. It is commonplace in the book where he just defines an action, states that he is going to integrate out such-and-such, and then slaps the end result on you straightaway. You will have a really hard time making sense of what he wrote if you have just finished the standard one-year sequence of QFT.(If you can do most of the problems in Peskin/Schoeder without refering to the book or your notes, you are good to go.)Bottom line: be prepared for many omitted derivations and missing steps. Four stars, still. At least Sachdev provides a coherent direction, and I have seen books much more incomprehensible.

⭐nice bookI will probably die before i understand any of this but meanwhile i will keep living on rice and pretend im happy and that everything converges and is well defined.

⭐This book is very good. It provides a general review of quantum phase transitions. I recommend to graduate students and researchers.

⭐The second edition still requires some background on critical phenomena and the path integral approach contrary the what the author states.

⭐thank you

⭐This book is very clear and informative. Gives a pedagogical introduction to the use of field theory in condensed matter in addition to exploring quantum phase transitions.

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