Nucleation of Vortices at the A-b Phase Boundary in Superfluid 3he PDF Download
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Author: V. V. Dmitriev
Publisher:
ISBN: 9789512206490
Category :
Languages : en
Pages : 15
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Author: V. V. Dmitriev
Publisher:
ISBN: 9789512206490
Category :
Languages : en
Pages : 15
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Book Description
Author: Grigori Volovik
Publisher: World Scientific
ISBN: 9814513989
Category : Science
Languages : en
Pages : 231
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Book Description
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.
Author: Graeme Noble Plenderleith
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Carlo Barenghi
Publisher: Springer Science & Business Media
ISBN: 3211094474
Category : Technology & Engineering
Languages : en
Pages : 293
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Book Description
Recent investigations have highlighted the similarities between turbulence in cryogenic fluids at temperatures close to absolute zero, in particular superfluid helium, and turbulence in ordinary fluids. This book contains lectures on various theoretical and experimental aspects of the problem given by experts at the advanced school “Vortices and Turbulence at Low Temperatures” held at CISM, Udine, in the summer of 2007. The lectures provide an introduction into this rapidly expanding area of research. The book is suitable to PhD students and young researchers starting their career as well as established researchers in either low temperature physics or fluid mechanics who are interested in this problem.
Author: A. M. Turner
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: G. E. Volovik
Publisher: World Scientific
ISBN: 9789810207052
Category : Science
Languages : en
Pages : 236
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Book Description
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.
Author: Carlo F. Barenghi
Publisher: Cambridge University Press
ISBN: 1009345648
Category : Science
Languages : en
Pages : 324
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Book Description
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: John Peter Palmeri
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
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: John Peter Palmeri
Publisher:
ISBN:
Category :
Languages : en
Pages : 426
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Book Description
