Josephson Effects And Quantum Interference In Superfluid Helium-3 - Simmonds, Raymond W.
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This work summarizes many successful experiments using superfluid He-3 weak links to probe different Josephson effects, the culmination being the development of the superfluid He-3 dc SQUID. It is the hope of the author that these measurements are just the beginning of a long line of important experiments using superfluid helium to enhance our understanding of Josephson effects and quantum systems. The introductory chapter discusses motivations for studying Josephson Effects and a basic review of superfluids. Chapter 2 discusses tunneling and derives the Josephson relations for any weakly…mehr

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Produktbeschreibung
This work summarizes many successful experiments using superfluid He-3 weak links to probe different Josephson effects, the culmination being the development of the superfluid He-3 dc SQUID. It is the hope of the author that these measurements are just the beginning of a long line of important experiments using superfluid helium to enhance our understanding of Josephson effects and quantum systems. The introductory chapter discusses motivations for studying Josephson Effects and a basic review of superfluids. Chapter 2 discusses tunneling and derives the Josephson relations for any weakly coupled quantum system. Chapter 3 focuses on superfluid helium weak links, a brief history of different experiments and a review of hydrodynamic circuits. Chapter 4 describes the experiments done at Berkeley using a single superfluid He-3 weak link array. Chapter 5 focuses on the theoretical aspects involved in the observation of quantum interference by constructing a superfluid quantum interference device or dc SQUID. Chapter 6 focuses on the experimental efforts to construct the first superfluid He-3 dc SQUID. Chapter 7 gives a vision for the future directions of this work.
Autorenporträt
Dr. Raymond W. Simmonds attended the University of California, Berkeley receiving a B.A. (1995), M.S. (1999), and Ph.D. (2002) in physics. In 2004, Dr. Simmonds joined the staff of the National Institute of Standards and Technology, Boulder, Co to develop superconducting-based quantum circuits for precision measurements and quantum computing.