Bose-Einstein Condensation by L. Pitaevskii, S. Stringari

By L. Pitaevskii, S. Stringari

This publication is an introductory textual content to the physics of Bose-Einstein condensation. This phenomenon, first expected by way of Einstein in 1925 has been learned experimentally in 1995 in a amazing sequence of experiments whose significance has been well-known by means of the award of the 2001 Nobel Prize in Physics. The condensate is de facto a brand new country of subject, the place quantum-mechanical wave services of atoms behave as coherent subject waves within the comparable manner as coherent gentle waves when it comes to a laser. The authors supply a theoretical presentation of the most thoughts underlying the physics of dilute atomic gases in stipulations of tremendous low temperatures the place quantum results play a vital function. the most attempt is dedicated to dialogue of the suitable theoretical facets exhibited by way of those systms, corresponding to the idea that of order parameter, lengthy variety order, superfluidity and coherence. The mathematical formalism is gifted in a kind handy for sensible use. The ebook develops the speculation of Bose gases ranging from the pioneering Bogoliubov process and provides precise emphasis to the recent actual beneficial properties exhibited through non-uniform gases that are produced within the contemporary experiments with magnetic and optical traps. those positive factors comprise the decision of the equilibrium profiles, the collective oscillations, the mechanism of the growth of the gasoline after liberating the capture, the interference styles acquired by way of overlapping condensates, the rotational homes revealing the results of superfluidity the Josephson-like phenomena assocaited with the coherence of the section, the past suggest box phenomena exhibited via quantum gases in stipulations of lowered dimensionality. The publication additionally discusses the alaogies and changes with the physics of ""classical"" superfluids like liquid helium and introduces many of the significant positive aspects of trapped Fermi gases at low temperature, stating the implications of superfluidity.

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Life in Selenopolis would mirror, as much as possible, the very best aspects of life on Earth. 24 Lunar Settlements Krafft Ehricke likened the building of Selenopolis to the construction of the great cathedrals of the Middle Ages. And he advised that, like those cathedrals, it would be the work of generations. Working on the Moon In order to illustrate his concepts for living and working on the Moon, Krafft Ehricke created many of his own paintings, some of which are reproduced here. The development of the Moon would take place in stages, with increased capabilities in each stage, building upon the past accomplishments.

There should be a certain cost limit above which must be obtained from the Deputy Director R&D or the Director MSFC. I hope we can keep costs down, at least for new projects if we make these trade-off studies, while we are writing the specifications during the program definition phase. I believe our present rather loose cost control is responsible for a fair share of our cost overruns. Dr. Lange and Mr. Maus might want to join in a little study on the practicability of this suggestion. 5-27-63: Launch Vehicle System Cost Model Six proposals were received on our Launch Vehicle System Cost Model Study.

During the years 1960−1965 the author was director of the Future Projects Office at NASA/MSFC. These were the years where the Saturn/Apollo program was conceived and placed under development. I reported directly to Dr. Werner von Braun. People of his staff reporting to him directly had to submit by Friday noon each week one-page weekly notes, summarizing all that was happening and was expected for the following week and should get his attention. This was one of the management tools he used to keep things under control.

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