Superfluid States of Matter (häftad, eng)

Covers the State of the Art in Superfluidity and Superconductivity

addresses the phenomenon of superfluidity/superconductivity through an emergent, topologically protected constant of motion and covers topics developed over the past 20 yearsThe approach is based on the idea of separating universal classical-field superfluid properties of matter from the underlying system’s “quanta.” The text begins by deriving the general physical principles behind superfluidity/superconductivity within the classical-field framework and provides a deep understanding of all key aspects in terms of the dynamics and statistics of a classical-field system.

It proceeds by explaining how this framework emerges in realistic quantum systems, with examples that include liquid helium, high-temperature superconductors, ultra-cold atomic bosons and fermions, and nuclear matterThe book also offers several powerful modern approaches to the subject, such as functional and path integrals.

Comprised of 15 chapters, this text:

• Establishes the fundamental macroscopic properties of superfluids and superconductors within the paradigm of the classical matter field



• Deals with a single-component neutral matter field



• Considers fundamentals and properties of superconductors



• Describes new physics of superfluidity and superconductivity that arises in multicomponent systems



• Presents the quantum-field perspective on the conditions under which classical-field description is relevant in bosonic and fermionic systems



• Introduces the path integral formalism



• Shows how Feynman path integrals can be efficiently simulated with the worm algorithm



• Explains why nonsuperfluid (insulating) ground states of regular and disordered bosons occur under appropriate conditions



• Explores superfluid solids (supersolids)



• Discusses the rich dynamics of vortices and various aspects of superfluid turbulence at T ?0



• Provides account of BCS theory for the weakly interacting Fermi gas



• Highlights and analyzes the most crucial developments that has led to the current understanding of superfluidity and superconductivity



• Reviews the variety of superfluid and superconducting systems available today in nature and the laboratory, as well as the states that experimental realization is currently actively pursuing