Collective Superfluid Vortex Dynamics and Pulsar Glitches PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Collective Superfluid Vortex Dynamics and Pulsar Glitches PDF full book. Access full book title Collective Superfluid Vortex Dynamics and Pulsar Glitches by Lila Warszawski. Download full books in PDF and EPUB format.
Author: Lila Warszawski
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 349
Get Book Here
Book Description
Author: Lila Warszawski
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 349
Get Book Here
Book Description
Author: Edouard B. Sonin
Publisher: Cambridge University Press
ISBN: 1316453502
Category : Science
Languages : en
Pages : 405
Get Book Here
Book Description
A comprehensive overview of the basic principles of vortex dynamics in superfluids, this book addresses the problems of vortex dynamics in all three superfluids available in laboratories (4He, 3He, and BEC of cold atoms) alongside discussions of the elasticity of vortices, forces on vortices, and vortex mass. Beginning with a summary of classical hydrodynamics, the book guides the reader through examinations of vortex dynamics from large scales to the microscopic scale. Topics such as vortex arrays in rotating superfluids, bound states in vortex cores and interaction of vortices with quasiparticles are discussed. The final chapter of the book considers implications of vortex dynamics to superfluid turbulence using simple scaling and symmetry arguments. Written from a unified point of view that avoids complicated mathematical approaches, this text is ideal for students and researchers working with vortex dynamics in superfluids, superconductors, magnetically ordered materials, neutron stars and cosmological models.
Author: C.F. Barenghi
Publisher: Springer
ISBN: 3540455426
Category : Technology & Engineering
Languages : en
Pages : 459
Get Book Here
Book Description
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.
Author: Carlos Wexler
Publisher:
ISBN:
Category : Superfluidity
Languages : en
Pages : 236
Get Book Here
Book Description
Author: Yauhen Sachkou
Publisher: Springer Nature
ISBN: 3030527662
Category : Science
Languages : en
Pages : 161
Get Book Here
Book Description
Superfluid helium is a quantum liquid that exhibits a range of counter-intuitive phenomena such as frictionless flow. Quantized vortices are a particularly important feature of superfluid helium, and all superfluids, characterized by a circulation that can only take prescribed integer values. However, the strong interactions between atoms in superfluid helium prohibit quantitative theory of vortex behaviour. Experiments have similarly not been able to observe coherent vortex dynamics. This thesis resolves this challenge, bringing microphotonic techniques to bear on two-dimensional superfluid helium, observing coherent vortex dynamics for the first time, and achieving this on a silicon chip. This represents a major scientific contribution, as it opens the door not only to providing a better understanding of this esoteric quantum state of matter, but also to building new quantum technologies based upon it, and to understanding the dynamics of astrophysical superfluids such as those thought to exist in the core of neutron stars.
Author: C.F. Barenghi
Publisher: Springer
ISBN: 9783540422266
Category : Technology & Engineering
Languages : en
Pages : 458
Get Book Here
Book Description
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.
![Experiments on Vortex Dynamics in Superfluid [sup 3]He PDF](https://books.google.com/books/content/images/frontcover/KXAAKAAACAAJ?fife=w80-h100)
Author: Antti Finne
Publisher:
ISBN: 9789512278305
Category :
Languages : en
Pages : 45
Get Book Here
Book Description
Author: Cesar Augusto Zen Vasconcellos
Publisher: World Scientific
ISBN: 9811220956
Category : Science
Languages : en
Pages : 353
Get Book Here
Book Description
There are reasons to believe the 21st century will be the best ever for astrophysics: the James Webb Space Telescope will extend nearly twenty times the present observational limit of visible light; neutrino massiveness opens a new window for exploration on dark energy and dark matter physics and is expected to provide insights into the fate of the Universe; the Higgs boson may allow for an understanding of the weakness of gravity; gravitational waves produced at the birth of the Universe and by compact stellar objects (supermassive black holes, black hole/neutron star mergers, gamma-ray bursts, white dwarf inspirals) have unveiled a new area of astronomy. Against this background, compact stars, the theme of this volume, present unique astrophysical laboratories for probing the fabric of space-time and the building blocks of matter and their interactions at physical regimes not attainable in terrestrial laboratories.
Author: Md. Khalid Hossain
Publisher:
ISBN:
Category : Atoms
Languages : en
Pages : 0
Get Book Here
Book Description
In this dissertation we explore superfluid dynamics in ultracold atomic gasses using density functional theories. In particular, we present three manuscripts discussing physics in a turbulent unitary Fermi gas, a spin-orbit coupled Bose-Einstein condensate, and a mixture of superfluid Fermi and Bose gases. These applications use cold atoms as quantum simulators for less intractable systems, in particular phenomenon related to nuclear astrophysics such as, pulsar glitches. In one of the manuscripts we propose an experimental protocol using a Fermi-Bose mixture to detect superfluid entrainment, important in explaining glitches in pulsar rotations-sudden increase in the rotation rate. If implemented, this will be the first direct detection of entrainment. In addition to entrainment, quantum turbulence is most likely an important part of pulsar glitches. To understand the dynamics in the turbulent region we simulate the time evolution of a vortex tangle in a rotating unitary Fermi gas in another manuscript. Using our simulations, we have been able to characterize two different vortex tangle decay mechanisms mediated by inter-vortex interactions and interactions with the trap boundary. Finally, in a third manuscript, we explore the effect of a synthetic spin-orbit coupling on the expansion dynamics of a Bose-Einstein condensate and identify the role of modified dispersion relation and negative-mass hydro- dynamics on the phenomenon of self-trapping primarily observed in optical lattices. This demonstrates how cold atoms can be used to adjust properties like dispersion relations which ultimately might allow us manipulate properties such as the effective viscosity in a turbulent superfluid, so that we can simulate neutron star pulsars.
Author: Mokyang Kim
Publisher:
ISBN:
Category : Liquid helium
Languages : en
Pages : 368
Get Book Here
Book Description
