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Author : John Peter Palmeri
Publisher :
ISBN 13 :
Total Pages : 426 pages
Book Rating : 4.:/5 (28 download)
Download or read book B Phase Nucleation and A-B Interface Dynamics in Superfluid 3He written by John Peter Palmeri and published by . This book was released on 1989 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Peter Palmeri
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (774 download)
Download or read book B Phase Nucleation and A-B Interface Dynamics in Superfluid Helium-3 written by John Peter Palmeri and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with the theory of the primary nucleation and subsequent expansion of the superfluid $sp3$He-B phase in the metastable, hypercooled A phase. An overview of the theory of dynamical phenomena in Fermi superfluids is presented in Chapter 1 with an eye towards formulating a theory suitable for studying the dynamics of the first order A-B phase transition. The mechanism for the primary B phase nucleation in the metastable A is not at all understood, and in Chapter 2 various possibilities are discussed, although no resolution to the problem is reached. The focus here is on an exotic non-equilibrium, cosmic ray, which involves non-hydrodynamic heat transport in a state far from equilibrium. Chapter 3 deals with some idealized, model transport problems inspired by the physics behind the cosmic-ray mechanism, and it is shown that certain non-hydrodynamic dynamical structures similar to the ones needed in the cosmic-ray mechanism can form in these model problems. An application of superfluid kinetic equations to the nonlinear, dissipative motion of the A-B interface is discussed in Chapter 4; in particular, the mobility of the phase boundary is obtained in several different dynamical regimes (depending on temperature and pressure), including the (currently) experimentally relevant ballistic regime where the Andreev scattering of normal excitations off the moving interface strongly influences the dynamics. The theoretical prediction for the terminal velocity is too big by a factor $sim$2, and possible reasons for this discrepancy are discussed. A study of the stability and vibrations of the interface is presented in Chapter 5, where we argue that (1) the moving planar interface is linearly stable and (2) it should be possible to observe underdamped vibrations of a pinned interface at low temperatures. Finally, in Chapter 6 we point out other possible applications of the dynamical theory formulated here and list some open problems.
Author : V. V. Dmitriev
Publisher :
ISBN 13 : 9789512206490
Total Pages : 15 pages
Book Rating : 4.2/5 (64 download)
Download or read book Nucleation of Vortices at the A-b Phase Boundary in Superfluid 3he written by V. V. Dmitriev and published by . This book was released on 1991 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elliot J. Fullwood
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (536 download)
Download or read book Quasiparticle Dynamics at the Superfluid "3He A-B Interface written by Elliot J. Fullwood and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. E. Volovik
Publisher : Oxford University Press on Demand
ISBN 13 : 0198507828
Total Pages : 534 pages
Book Rating : 4.1/5 (985 download)
Download or read book The Universe in a Helium Droplet written by G. E. Volovik and published by Oxford University Press on Demand. This book was released on 2003-03-06 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text presents a general overview of analogies between phenomena in condensed matter physics and quantum field theory and elementary particle physics.
Author : Carlo F. Barenghi
Publisher : Cambridge University Press
ISBN 13 : 1009345648
Total Pages : 324 pages
Book Rating : 4.0/5 (93 download)
Download or read book Quantum Turbulence written by Carlo F. Barenghi and published by Cambridge University Press. This book was released on 2023-09-30 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bringing together two previously distinct strands of physics, this text introduces the interdisciplinary field of quantum turbulence, the realm of quantum fluids and vortices in superfluid helium and atomic Bose–Einstein condensates. Covering state-of-the-art methods and results, it is an essential read for students and seasoned researchers alike.
Author : G. E. Volovik
Publisher : World Scientific
ISBN 13 : 9789810207052
Total Pages : 236 pages
Book Rating : 4.2/5 (7 download)
Download or read book Exotic Properties of Superfluid 3He written by G. E. Volovik and published by World Scientific. This book was released on 1992 with total page 236 pages. Available in PDF, EPUB and Kindle. 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.
![Download The Superfluid Phases of 3He in Aerogel [microform] PDF Online Free](https://books.google.com/books/content/images/frontcover/J099PwAACAAJ?fife=w200-h370)
Author : Guillaume Gervais
Publisher : Ann Arbor, Mich. : University Microfilms International
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (517 download)
Download or read book The Superfluid Phases of 3He in Aerogel [microform] written by Guillaume Gervais and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis encompasses a broad study of the properties of the 'dirty' Fermi liquid and superfluid state of 3He in aerogel. The sound attenuation in the first and zero sound regime was determined with longitudinal acoustics, and the transition between the two is found to be completely obscured in aerogel by strong elastic scattering. The (P,T,B) phase diagram of the superfluid phases of 3He in 98% aerogel was determined in the range of pressure from 15 to 33 bars and up to 3 kG using high-frequency sound. The first-order transition between the A and B-phases is suppressed by a magnetic field. We show that the equilibrium phase in zero applied field is the B-phase with at most a region of A-phase ∼20 muK just below Tca at a pressure of 33.4 bars. The quadratic coefficient for magnetic field suppression of the AB-transition, ga(beta), was obtained. The pressure dependence of ga(beta) is markedly different from that for the pure superfluid, g0(beta), which diverges at a polycritical pressure (PCP) of 21 bars. We compare our results with calculations from the homogeneous scattering model for ga(beta), and find qualitatively good agreement with the experiment if the strong-coupling corrections are rescaled from known values of the beta's for pure 3He. The calculations show that the PCP in the aerogel is displaced above melting pressure and out of experimental reach for a mean free path of ∼150 nm. The nucleation of the aerogel B-phase is also studied. Primary supercooling is observed over a wide range of pressures and fields, but secondary nucleation shows no memory effect. At the interface between the pure and dirty superfluids, we find that the proximity effect is insufficient to nucleate the B-phase in either superfluid. We suggest an explanation in terms of decoherence of the order parameter on the length scale of the critical radius for nucleation.
Author :
Publisher :
ISBN 13 :
Total Pages : 2540 pages
Book Rating : 4.3/5 (91 download)
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.3/5 (91 download)
Download or read book Soviet Physics, JETP. written by and published by . This book was released on 1987 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthew James Fear
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Probing the A-phase, B-phase and A-B Interface of Superfluid 3He with Miniature Quartz Tuning Forks written by Matthew James Fear and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 682 pages
Book Rating : 4.3/5 (91 download)
Download or read book INIS Atomindex written by and published by . This book was released on 1995 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Union of Pure and Applied Physics
Publisher :
ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.X/5 (6 download)
Download or read book Proceedings of the 20th International Conference on Low Temperature Physics, LT-20 written by International Union of Pure and Applied Physics and published by . This book was released on 1994 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Y. Takano
Publisher : American Institute of Physics
ISBN 13 :
Total Pages : 1078 pages
Book Rating : 4.:/5 (318 download)
Download or read book Low Temperature Physics written by Y. Takano and published by American Institute of Physics. This book was released on 2006-11-22 with total page 1078 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents recent cutting-edge developments in low temperature physics, reported at one of the largest international conferences in physics. The subjects covered are superconductivity, magnetism, quantum gases, quantum liquids and solids, electronic properties of solids, low-temperature experimental techniques, cryogenics, and applications.
Author :
Publisher :
ISBN 13 :
Total Pages : 1334 pages
Book Rating : 4.3/5 (91 download)
Download or read book Physics Briefs written by and published by . This book was released on 1993 with total page 1334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rudolf Huebener
Publisher : Springer Science & Business Media
ISBN 13 : 9783540423362
Total Pages : 390 pages
Book Rating : 4.4/5 (233 download)
Download or read book Vortices in Unconventional Superconductors and Superfluids written by Rudolf Huebener and published by Springer Science & Business Media. This book was released on 2002-01-22 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topological defects are generic in continuous media. In the relativistic quantum vacuum they are known as cosmic strings, in superconductors as quantized flux lines, and in superfluids, low-density atomic Bose-Einstein condensates and neutron stars as quantized vortex lines. This collection of articles by leading scientists presents a modern treatment of the physics of vortex matter, mainly applied to unconventional superconductors and superfluids but with extensions to other areas of physics.
Author :
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ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.F/5 ( download)
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2008 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theses on any subject submitted by the academic libraries in the UK and Ireland.
