File Name: superconductivity superfluids and condensates .zip
The subjects are developed in a way which gradually builds up the key concepts and the necessary mathematical machinery. The book begins with the simplest of the three topics, BEC, and first thoroughly reviews the basics of the Bose-Einstein ideal gas before going into the techniques of magnetic trapping and cooling of atoms and the discovery of BEC in dilute atomic gases. Superfluidity in helium-4 is more difficult to understand, because it is a strongly interacting quantum liquid.
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Superfluidity and superconductivity -- the flow of matter or electrical current without friction -- are the two most spectacular manifestations of quantum mechanics at a macroscopic scale, and the understanding of these phenomena is one of the great achievements of quantum theory applied to systems of many particles. They continue to present new experimental and theoretical challenges today, many decades after their serendipitous discoveries in and The lectures will introduce three aspects of this subject. Skip to main content. Superfluids and Superconductors.
Superconductivity, Superfluids, and Condensates by James F. Description : The book provides a basic introduction to one of the most innovative areas in condensed matter physics today. This book includes ample tutorial material, including illustrations, chapter summaries, graded problem sets, and concise examples. Download or read it online for free here: Download link 3. Nowhere any assumption on the microscopic mechanism of superconductivity is made although on a few occasions electron-phonon interaction is mentioned as an example.
The book covers three main strands, Bose-Einstein condensates BEC , superfluids and superconductivity. The subjects are developed in a way which gradually builds up the key concepts and the necessary mathematical machinery. The book begins with the simplest of the three topics, BEC, and first thoroughly reviews the basics of the Bose-Einstein ideal gas before going into the techniques of magnetic trapping and cooling of atoms and the discovery of BEC in dilute atomic gases. Superfluidity in helium-4 is more difficult to understand, because it is a strongly interacting quantum liquid. The book introduces the main physical phenomena of superfluidity, and how it follows from the key concept of macroscopic quantum coherence and off-diagonal long ranged order.
Superfluidity is the characteristic property of a fluid with zero viscosity which therefore flows without any loss of kinetic energy. When stirred, a superfluid forms vortices that continue to rotate indefinitely. Superfluidity occurs in two isotopes of helium helium-3 and helium-4 when they are liquefied by cooling to cryogenic temperatures. It is also a property of various other exotic states of matter theorized to exist in astrophysics , high-energy physics , and theories of quantum gravity. Superfluidity is often coincidental with Bose—Einstein condensation , but neither phenomenon is directly related to the other; not all Bose-Einstein condensates can be regarded as superfluids, and not all superfluids are Bose—Einstein condensates. Superfluidity was originally discovered in liquid helium by Pyotr Kapitsa and John F.
This book is part of the Oxford Master Series in Condensed Matter Physics. Download or read it online for free here: Download link (MB, PDF).
Разумеется, не можете. Его же не существует. - Коммандер, я должна… - попробовала вставить слово Сьюзан. И снова Стратмор нетерпеливым взмахом руки заставил ее замолчать. Сьюзан в испуге взглянула на Хейла. Он стоял с безучастным видом, словно происходящее его никак не касалось.
Разумеется, не единственный. Но сегодня в шесть часов утра события стали разворачиваться стремительно. Дэвид говорит по-испански, он умен, ему можно доверять, к тому же я подумал, что оказываю ему услугу. - Услугу? - бурно отреагировала Сьюзан. - Послать его в Испанию значит оказать услугу. - Да.
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