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Preparation And Manipulation Of An 87rb Bose Einstein Condensate
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Book Synopsis Preparation and Manipulation of an 87Rb Bose-Einstein Condensate by : A Arnold
Download or read book Preparation and Manipulation of an 87Rb Bose-Einstein Condensate written by A Arnold and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation and Manipulation of an "8"7Rb Bose-Einstein Condensate by : Aidan Arnold
Download or read book Preparation and Manipulation of an "8"7Rb Bose-Einstein Condensate written by Aidan Arnold and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis details the experimental realisation and magnetic manipulation of an 87Rb Bose-Einstein Condensate (BEC). An introduction to the concepts and mechanisms leading to the formation of a Bose-Einstein condensate is given, as well as a brief overview of BEC manipulation techniques and recent BEC experiments. This is followed by a theoretical discussion of the evolution of BECs, detailing in particular their statistical and quantum mechanical properties. The results of this chapter will be used later in the thesis to analyse experimental data regarding the temperature-dependent ground state population, ballistic expansion and magnetic manipulation of BECs. Elaboration of the various theoretical mechanisms involved in BEC production and detection will ensue. This chapter will be followed by an account of our experimental implementation of these BEC formation techniques, concluding with the creation of the Sussex rubidium BEC. Simplicity and durability are novel aspects of the BEC apparatus design, which incorporates easy-to-build stable diode lasers, a low power double magneto-optical trap (MOT) employing a loading technique based solely on light- pressure, the omission of dark or compressed MOT stages in the BEC sequence, a stable magnetic trap regulated by straightforward power MOSFET banks and an extra high vacuum essentially maintained by a single low-throughput ion pump. Magnetic mirrors for laser-cooled atoms have now been produced with excellent optical quality. A natural extension of this work is the use of these 'hard' magnetic mirrors as atom optical elements to focus and image coherent atomic sources such as BECs. In this thesis first steps in this direction are reported with the demonstration of reflection and focusing of an 87Rb BEC by a soft magnetic mirror. Studies of the BEC's dynamics as the mirror's radius of curvature is varied relative to the drop height are also presented.
Book Synopsis Bose-Einstein Condensate Manipulation and Interferometry by : Mateusz Zawadzki
Download or read book Bose-Einstein Condensate Manipulation and Interferometry written by Mateusz Zawadzki and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The First Experiments with Bose-Einstein Condensation of 87Rb by : Jason Remington Ensher
Download or read book The First Experiments with Bose-Einstein Condensation of 87Rb written by Jason Remington Ensher and published by . This book was released on 1999 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Realization of Bose-Einstein Condensation of 87Rb in a Time-orbiting Potential Trap by : Mirco Siercke
Download or read book Realization of Bose-Einstein Condensation of 87Rb in a Time-orbiting Potential Trap written by Mirco Siercke and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Theoretical Study on Manipulation of Trapped Atomic Bose-Einstein Condensates by : Stephen Choi
Download or read book A Theoretical Study on Manipulation of Trapped Atomic Bose-Einstein Condensates written by Stephen Choi and published by . This book was released on 1999 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Realization of a 87Rb Bose-einstein Condensate by : Donatella Ciampini
Download or read book Realization of a 87Rb Bose-einstein Condensate written by Donatella Ciampini and published by . This book was released on 2002 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Panayotis G. Kevrekidis Publisher :Springer Science & Business Media ISBN 13 :3540735917 Total Pages :398 pages Book Rating :4.5/5 (47 download)
Book Synopsis Emergent Nonlinear Phenomena in Bose-Einstein Condensates by : Panayotis G. Kevrekidis
Download or read book Emergent Nonlinear Phenomena in Bose-Einstein Condensates written by Panayotis G. Kevrekidis and published by Springer Science & Business Media. This book was released on 2007-12-29 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, written by experts in the fields of atomic physics and nonlinear science, covers the important developments in a special aspect of Bose-Einstein condensation, namely nonlinear phenomena in condensates. Topics covered include bright, dark, gap and multidimensional solitons; vortices; vortex lattices; optical lattices; multicomponent condensates; mathematical methods/rigorous results; and the beyond-the-mean-field approach.
Book Synopsis Optical Manipulation of Bose-Einstein Condensates by : Peter Blair Blakie
Download or read book Optical Manipulation of Bose-Einstein Condensates written by Peter Blair Blakie and published by . This book was released on 2001 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Manipulating Bose-Einstein Condensates with Laser Light by : Shin Inouye
Download or read book Manipulating Bose-Einstein Condensates with Laser Light written by Shin Inouye and published by . This book was released on 2001 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) The role of quantum statistics in these enhanced scatterings was studied. It was shown that the macroscopic occupation of a single quantum state is not necessary. These processes are in principle possible for fermionic or non-degenerate samples, provided the atomic ensemble has a sufficiently long coherence time. By moving a focused, far off-resonant laser beam through a condensate, vortex excitations were created in a Bose-Einstein condensate. They were observed as dislocations in the interference fringes formed by the stirred condensate and a second unperturbed condensate. The technique was shown to be a powerful tool to study turbulent superfluid flow.
Book Synopsis Bose-Einstein Condensation and Superfluidity by : Lev Pitaevskii
Download or read book Bose-Einstein Condensation and Superfluidity written by Lev Pitaevskii and published by Oxford University Press. This book was released on 2016-01-21 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultracold atomic gases is a rapidly developing area of physics that attracts many young researchers around the world. Written by world renowned experts in the field, this book gives a comprehensive overview of exciting developments in Bose-Einstein condensation and superfluidity from a theoretical perspective. The authors also make sense of key experiments from the past twenty years with a special focus on the physics of ultracold atomic gases. These systems are characterized by a rich variety of features which make them similar to other important systems of condensed matter physics (like superconductors and superfluids). At the same time they exhibit very peculiar properties which are the result of their gaseous nature, the possibility of trapping in a variety of low dimensional and periodical configurations, and of manipulating the two-body interaction. The book presents a systematic theoretical description based on the most successful many-body approaches applied both to bosons and fermions, at equilibrium and out of equilibrium, at zero as well as at finite temperature. Both theorists and experimentalists will benefit from the book, which is mainly addressed to beginners in the field (master students, PhD students, young postdocs), but also to more experienced researchers who can find in the book novel inspirations and motivations as well as new insightful connections. Building on the authors' first book, Bose-Einstein Condensation (Oxford University Press, 2003), this text offers a more systematic description of Fermi gases, quantum mixtures, low dimensional systems and dipolar gases. It also gives further emphasis on the peculiar phenomenon of superfluidity and its key role in many observable properties of these ultracold quantum gases.
Book Synopsis Bose-Einstein Condensation by : Keith Burnett (Ed); Mark Edwar
Download or read book Bose-Einstein Condensation written by Keith Burnett (Ed); Mark Edwar and published by DIANE Publishing. This book was released on 1996-12 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Among the most remarkable effects that quantum mechanics adds to the catalog of the thermal properties of matter is "condensation" of an ideal gas of identical particles into a single quantum state, the principle of which was discovered in the theory of statistical mechanics by Bose and Einstein in the 1920s. Bose-Einstein condensation (BEC) is a mechanism for producing a macroscopic quantum system, and is exemplary of the macroscopic quantum phenomena of superconductivity and superfluidity.These 15 papers provide an introduction to current work on BEC.
Book Synopsis Fundamentals And New Frontiers Of Bose-einstein Condensation by : Masahito Ueda
Download or read book Fundamentals And New Frontiers Of Bose-einstein Condensation written by Masahito Ueda and published by World Scientific Publishing Company. This book was released on 2010-07-29 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the fundamentals of and new developments in gaseous Bose-Einstein condensation. It begins with a review of fundamental concepts and theorems, and introduces basic theories describing Bose-Einstein condensation (BEC). It then discusses some recent topics such as fast-rotating BEC, spinor and dipolar BEC, low-dimensional BEC, balanced and imbalanced fermionic superfluidity including BCS-BEC crossover and unitary gas, and p-wave superfluidity.
Book Synopsis Coherent Manipulation of Bose-Einstein Condensates with Radio-frequency Adiabatic Potentials on Atom Chips by : Sebastian Hofferberth
Download or read book Coherent Manipulation of Bose-Einstein Condensates with Radio-frequency Adiabatic Potentials on Atom Chips written by Sebastian Hofferberth and published by . This book was released on 2007 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Building a Bose-Einstein Condensation Experiment in 87Rb by : John P. Janis
Download or read book Building a Bose-Einstein Condensation Experiment in 87Rb written by John P. Janis and published by . This book was released on 2004 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Trapping And Manipulation Of Neutral Particles Using Lasers: A Reprint Volume With Commentaries by : Arthur Ashkin
Download or read book Optical Trapping And Manipulation Of Neutral Particles Using Lasers: A Reprint Volume With Commentaries written by Arthur Ashkin and published by World Scientific. This book was released on 2006-12-29 with total page 941 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important volume contains selected papers and extensive commentaries on laser trapping and manipulation of neutral particles using radiation pressure forces. Such techniques apply to a variety of small particles, such as atoms, molecules, macroscopic dielectric particles, living cells, and organelles within cells. These optical methods have had a revolutionary impact on the fields of atomic and molecular physics, biophysics, and many aspects of nanotechnology.In atomic physics, the trapping and cooling of atoms down to nanokelvins and even picokelvin temperatures are possible. These are the lowest temperatures in the universe. This made possible the first demonstration of Bose-Einstein condensation of atomic and molecular vapors. Some of the applications are high precision atomic clocks, gyroscopes, the measurement of gravity, cryptology, atomic computers, cavity quantum electrodynamics and coherent atom lasers.A major application in biophysics is the study of the mechanical properties of the many types of motor molecules, mechanoenzymes, and other macromolecules responsible for the motion of organelles within cells and the locomotion of entire cells. Unique in vitro and in vivo assays study the driving forces, stepping motion, kinetics, and efficiency of these motors as they move along the cell's cytoskeleton. Positional and temporal resolutions have been achieved, making possible the study of RNA and DNA polymerases, as they undergo their various copying, backtracking, and error correcting functions on a single base pair basis.Many applications in nanotechnology involve particle and cell sorting, particle rotation, microfabrication of simple machines, microfluidics, and other micrometer devices. The number of applications continues to grow at a rapid rate.The author is the discoverer of optical trapping and optical tweezers. With his colleagues, he first demonstrated optical levitation, the trapping of atoms, and tweezer trapping and manipulation of living cells and biological particles.This is the only review volume covering the many fields of optical trapping and manipulation. The intention is to provide a selective guide to the literature and to teach how optical traps really work.
Book Synopsis A Bose-Einstein Condensate Coupled to a Micromechanical Oscillator by : David Hunger
Download or read book A Bose-Einstein Condensate Coupled to a Micromechanical Oscillator written by David Hunger and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2010 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultracold neutral atoms can be trapped and coherently manipulated close to a surface using chip-based magnetic microtraps. This opens the possibility of studying interactions between atoms and on-chip solid-state systems such as micro- and nanostructured mechanical oscillators. This thesis reports experiments, where a controlled coupling between a Bose-Einstein condensate and a micromechanical oscillator is realized for the first time. The interaction relies on surface forces experienced by the atoms trapped at about 1 micrometer distance from the mechanical structure. The surface forces are used to resonantly couple the mechanical motion of the oscillator to collective motion of the atoms. Coupling via surface forces does not require magnets, electrodes, or mirrors on the oscillator and could thus be employed to couple atoms to molecular-scale oscillators such as carbon nanotubes. In the long-term, the toolbox for quantum manipulation of ultracold atoms could be employed to read out, cool, and coherently manipulate the quantum state of a mechanical oscillator. The thesis discusses three different scenarios that could enable atom-oscillator coupling at the quantum level.