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BOOK EXCERPT:
Covers the State of the Art in Superfluidity and SuperconductivitySuperfluid States of Matter addresses the phenomenon of superfluidity/superconductivity through an emergent, topologically protected constant of motion and covers topics developed over the past 20 years. The approach is based on the idea of separating universal classical-field superf
Product Details :
Genre |
: Science |
Author |
: Boris V. Svistunov |
Publisher |
: CRC Press |
Release |
: 2015-04-15 |
File |
: 569 Pages |
ISBN-13 |
: 9781439802762 |
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BOOK EXCERPT:
Unless you are a specialist or watch a lot of obscure YouTube videos you have probably never heard of He II or superfluid helium. This substance, a unique liquid form of the element helium, is produced and used in multi-ton quantities to enable much of modern science. Altogether, He II is at the heart of more than a dozen large scale scientific facilities world-wide representing an investment of tens of billions of dollars. It cools the magnets and cavities that contain and accelerate the particle beams at the Large Hadron Collider and is also used in accelerators for the study of rare isotopes and nuclear astrophysics. This little known liquid is, in reality, one of the enabling technologies of the future. A manifestation of quantum mechanics, He II exhibits amazing behaviors. It can flow up the side of a container against gravity, it can move through small openings without friction, and it can transfer heat extremely efficiently via a mechanism not seen elsewhere in nature. This book tells the story of He II. It describes the discovery of the fluid, the observation and understanding of its behavior, the development of underlying theory and the evolution of He II from a laboratory curiosity to an industrial-scale coolant. The current and possible future applications of He II are described. Like all science and engineering, the story of He II is a human story and the role that personalities, politics, communication, cooperation and competition play in the development of He II is captured here as well. World-famous physicists such as Lev Landau, Richard Feynman, Peter Kapitza and Kurt Mendelssohn are key players in the story, while secret police from two different countries have a walk-on role. This work is meant for the general reader. Without assuming any expertise in physics, engineering or mathematics, it illuminates for the general public a little-known area of science and engineering and shows why it matters. As it turns out, it’s also a good story.
Product Details :
Genre |
: Science |
Author |
: J. G. Weisend II |
Publisher |
: Springer Nature |
Release |
: 2023-10-29 |
File |
: 154 Pages |
ISBN-13 |
: 9783031426520 |
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BOOK EXCERPT:
The authors introduce the full content of the Microscopic Theory of Superfluid He II, developed since 1998; also given are brief accounts of the application of one concept from the theory, the QCE1 Superfluidity Mechanism, to superconductors. One peer review report writes: "The authors include more of the underlying physics than some earlier theories, and the comparisons they make with experimental data are satisfactory". The Microscopic Theory of Superfluid He II has several important features, which distinguishes this theory from the previous theories of He II. The immense volume of information the authors have today, especially the pieces of information revealing the microscopic dynamics of the system, was not available to the developers of the previous theories in the 1930s-1940s. This book also demonstrates how the general principles of quantum mechanics and condensed matter physics can be consistently applied to a given system with confidence, once a realistic microscopic model is derived for it. It demonstrates in turn the validity of the general physics principles in such an extreme system as the quantum fluid He II.
Product Details :
Genre |
: Science |
Author |
: J. X. Zheng-Johansson |
Publisher |
: Nova Publishers |
Release |
: 2004 |
File |
: 234 Pages |
ISBN-13 |
: 1590339746 |
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BOOK EXCERPT:
This book springs from the programme Quantized Vortex Dynamics and Sup- ?uid Turbulence held at the Isaac Newton Institute for Mathematical Sciences (University of Cambridge) in August 2000. What motivated the programme was the recognition that two recent developments have moved the study of qu- tized vorticity, traditionally carried out within the low-temperature physics and condensed-matter physics communities, into a new era. The ?rst development is the increasing contact with classical ?uid dynamics and its ideas and methods. For example, some current experiments with - lium II now deal with very classical issues, such as the measurement of velocity spectra and turbulence decay rates. The evidence from these experiments and many others is that super?uid turbulence and classical turbulence share many features. The challenge is now to explain these similarities and explore the time scales and length scales over which they hold true. The observed classical aspects have also attracted attention to the role played by the ?ow of the normal ?uid, which was somewhat neglected in the past because of the lack of direct ?ow visualization. Increased computing power is also making it possible to study the coupled motion of super?uid vortices and normal ?uids. Another contact with classical physics arises through the interest in the study of super?uid vortex - connections. Reconnections have been studied for some time in the contexts of classical ?uid dynamics and magneto-hydrodynamics (MHD), and it is useful to learn from the experience acquired in other ?elds.
Product Details :
Genre |
: Technology & Engineering |
Author |
: C.F. Barenghi |
Publisher |
: Springer |
Release |
: 2008-01-11 |
File |
: 459 Pages |
ISBN-13 |
: 9783540455424 |
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BOOK EXCERPT:
This interesting book provides the physical and mathematical background for a theory describing the universe as a quantum superfluid, and how dark energy and dark matter arise. Presenting a novel theory spanning many different fields in physics, the key concepts in each field are introduced.The reader is only expected to know the rudiments of condensed matter physics, quantum field theory and general relativity to explore this fascinating new model of dark matter and dark energy as facets of a cosmic superfluid.
Product Details :
Genre |
: Science |
Author |
: Kerson Huang |
Publisher |
: World Scientific |
Release |
: 2016-08-08 |
File |
: 135 Pages |
ISBN-13 |
: 9789813148482 |
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BOOK EXCERPT:
This textbook series has been designed for final year undergraduate and first year graduate students, providing an overview of the entire field showing how specialized topics are part of the wider whole, and including references to current areas of literature and research.
Product Details :
Genre |
: Science |
Author |
: James F. Annett |
Publisher |
: Oxford University Press |
Release |
: 2004-03-25 |
File |
: 206 Pages |
ISBN-13 |
: 0198507569 |
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BOOK EXCERPT:
This classic of modern theoretical physics is the first and only comprehensive treatment of the superfluid phases of helium 3, a crucial aspect of condensed matter physics with applications to many other fields. The self-contained approach explores ideas, concepts, and theoretical results, emphasizing symmetries and the consequences of their spontaneous breakdown. 1990 edition.
Product Details :
Genre |
: Science |
Author |
: Dieter Vollhardt |
Publisher |
: Courier Corporation |
Release |
: 2013-10-17 |
File |
: 660 Pages |
ISBN-13 |
: 9780486486314 |
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BOOK EXCERPT:
This book discusses the unique properties of superfluid phases of 3He, the condensed matter with the outmost broken symmetry, which combine in a surprising way the properties of ordered magnets, liquid crystals and superfluids. The complicated vacuum state of these phases with a large number of fermionic and bosonic quasiparticles and topological objects remains the vacuum in modern quantum field theories. Some of the objects and physical phenomena in 3He have strong analogy with the neutrino, W-bosons, weak interactions, gravity, chiral anomaly, Quantum Hall Effect and fractional statistics. As an example of topological objects, the quantized vortices in 3He phases are discussed in detail, including singular and continuous vortices, half-quantum vortices, broken symmetry in the vortex core and phase transitions between the vortex states with different symmetry and topology.
Product Details :
Genre |
: Science |
Author |
: G. E. Volovik |
Publisher |
: World Scientific |
Release |
: 1992 |
File |
: 236 Pages |
ISBN-13 |
: 9810207050 |
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BOOK EXCERPT:
Product Details :
Genre |
: Science |
Author |
: R.C. Clark |
Publisher |
: Springer |
Release |
: 2013-12-17 |
File |
: 416 Pages |
ISBN-13 |
: 9781489964359 |
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BOOK EXCERPT:
Product Details :
Genre |
: Liquid helium |
Author |
: Willem Meijndert van Alphen |
Publisher |
: |
Release |
: 1969 |
File |
: 84 Pages |
ISBN-13 |
: UCAL:B2683265 |