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  3. Low Temperature Physics

Low-Loss Storage and Handling of Cryogenic Liquids: The Application of Cryogenic Fluid Dynamics, Second Edition (Repost)

Posted By: AvaxGenius
Date: 13 Oct 2023 14:44:38
Low-Loss Storage and Handling of Cryogenic Liquids: The Application of Cryogenic Fluid Dynamics, Second Edition (Repost)

Low-Loss Storage and Handling of Cryogenic Liquids: The Application of Cryogenic Fluid Dynamics, Second Edition by Thomas D. Bostock , Ralph G. Scurlock
English | EPUB (True) | 2019 | 170 Pages | ISBN : 3030106403 | 8.3 MB

The revised second edition of this practical book reviews the fundamentals of cryogenic liquid behaviour in small and large scale storage systems. The text is based on research findings on the convective and evaporative behaviour of cryogenic fluids, aimed at improving the design, construction and operation of low-loss cryogenic liquid storage systems, with a view to minimising cost and improving operational safety.
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Unconventional Superconductors: Anisotropy and Multiband Effects (Repost)

Posted By: AvaxGenius
Date: 30 Jul 2023 15:51:34
Unconventional Superconductors: Anisotropy and Multiband Effects (Repost)

Unconventional Superconductors: Anisotropy and Multiband Effects by Iman Askerzade
English | PDF | 2012 | 189 Pages | ISBN : 3642226515 | 4.9 MB

This book presents the anisotropy and multiband effects in newly discovered unconventional superconductors: cuprate superconductors, borocarbides, magnezium-diboride and oxypnictides. The physical properties of these unconventional superconductors and the application of the two-band Ginzburg-Landau theory to these superconducting compounds are explained. Temperature dependencies of fundamental superconducting parameters are calculated using the GL theory taking into account multiband-and anisotropy effects. A comparision of theoretical results and experimental data is conducted. Additionally, the analytical solution of the microscopical Eliashberg theory and of the BCS theory is developed for two-band and anisotropic superconductors. Fluctuation effects in newly discovered superconductors are also discussed.
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Optical Cooling Using the Dipole Force

Posted By: AvaxGenius
Date: 30 Jul 2023 15:17:57
Optical Cooling Using the Dipole Force

Optical Cooling Using the Dipole Force by André Xuereb
English | PDF | 2012 | 190 Pages | ISBN : 3642297145 | 5.1 MB

This thesis unifies the dissipative dynamics of an atom, particle or structure within an optical field that is influenced by the position of the atom, particle or structure itself. This allows the identification and exploration of the fundamental ‘mirror-mediated’ mechanisms of cavity-mediated cooling leading to the proposal of a range of new techniques based upon the same underlying principles. It also reveals powerful mechanisms for the enhancement of the radiation force cooling of micromechanical systems, using both active gain and the resonance of a cavity to which the cooled species are external. This work has implications for the cooling not only of weakly-scattering individual atoms, ions and molecules, but also for highly reflective optomechanical structures ranging from nanometre-scale cantilevers to the metre-sized mirrors of massive interferometers.
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Collisional Narrowing and Dynamical Decoupling in a Dense Ensemble of Cold Atoms

Posted By: AvaxGenius
Date: 30 Jul 2023 14:47:03
Collisional Narrowing and Dynamical Decoupling in a Dense Ensemble of Cold Atoms

Collisional Narrowing and Dynamical Decoupling in a Dense Ensemble of Cold Atoms by Yoav Sagi
English | PDF | 2012 | 89 Pages | ISBN : 3642296041 | 4.4 MB

Ultra-cold atomic ensembles have emerged in recent years as a powerful tool in many-body physics research, quantum information science and metrology. This thesis presents an experimental and theoretical study of the coherent properties of trapped atomic ensembles at high densities, which are essential to many of the aforementioned applications. The study focuses on how inter-particle interactions modify the ensemble coherence dynamics, and whether it is possible to extend the coherence time by means of external control. The thesis presents a theoretical model which explains the effect of elastic collision of the coherence dynamics and then reports on experiments which test this model successfully in the lab. Furthermore, the work includes the first implementation of dynamical decoupling with ultra-cold atomic ensembles. It is demonstrated experimentally that by using dynamical decoupling the coherence time can be extended 20-fold. This has a great potential to increase the usefulness of these ensembles for quantum computation.
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Magnetic Monopole Noise

Posted By: AvaxGenius
Date: 26 Aug 2022 09:14:45
Magnetic Monopole Noise

Magnetic Monopole Noise by Ritika Dusad
English | PDF | 2021 | 83 Pages | ISBN : 3030581926 | 4.7 MB

This thesis presents the first ever measurement of the noise emitted by magnetic monopoles and the development of an exquisitely sensitive magnetic-field-noise spectrometer based on a superconducting quantum interference device (SQUID) that enabled it. Magnetic monopoles are highly elusive elementary particles exhibiting quantized magnetic charge.
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Going for Cold: A Biography of a Great Physicist, Kurt Mendelssohn

Posted By: AvaxGenius
Date: 16 Mar 2021 18:41:13
Going for Cold: A Biography of a Great Physicist, Kurt Mendelssohn

Going for Cold: A Biography of a Great Physicist, Kurt Mendelssohn by J. G. Weisend II
English | EPUB | 2021 | 143 Pages | ISBN : 3030611981 | 8 MB

This short but revealing biography tells the story of Kurt Mendelssohn FRS, one of the founding figures in the field of cryogenics, from his beginnings in Berlin through his move to Oxford in the 1930s, and his groundbreaking work in low temperature and solid state physics. He set up the first helium liquefier in the United Kingdom, and did fundamental research that increased our understanding of superconductivity and superfluid helium.
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Going for Cold: A Biography of a Great Physicist, Kurt Mendelssohn

Posted By: AvaxGenius
Date: 3 Mar 2021 18:27:55
Going for Cold: A Biography of a Great Physicist, Kurt Mendelssohn

Going for Cold: A Biography of a Great Physicist, Kurt Mendelssohn by J. G. Weisend II
English | PDF | 2021 | 143 Pages | ISBN : 3030611981 | 4.5 MB

This short but revealing biography tells the story of Kurt Mendelssohn FRS, one of the founding figures in the field of cryogenics, from his beginnings in Berlin through his move to Oxford in the 1930s, and his groundbreaking work in low temperature and solid state physics. He set up the first helium liquefier in the United Kingdom, and did fundamental research that increased our understanding of superconductivity and superfluid helium.
Details
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