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Experimental Studies Of Evaporative Cooling And Bose Einstein Condensation In An Optical Trap
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Book Synopsis Experimental Studies of Evaporative Cooling and Bose Einstein Condensation in an Optical Trap by : Ajay Tripathi
Download or read book Experimental Studies of Evaporative Cooling and Bose Einstein Condensation in an Optical Trap written by Ajay Tripathi and published by . This book was released on 2006 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Studies of Evaporative Cooling and Bose Einstein Condensation in an Optical Trap by :
Download or read book Experimental Studies of Evaporative Cooling and Bose Einstein Condensation in an Optical Trap written by and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bose-Einstein Condensation in Atomic Gases by : Società italiana di fisica
Download or read book Bose-Einstein Condensation in Atomic Gases written by Società italiana di fisica and published by IOS Press. This book was released on 1999 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although first proposed by Einstein in 1924, Bose-Einstein condensation (BEC) in a gas was not achieved until 1995 when, using a combination of laser cooling and trapping, and magnetic trapping and evaporation, it was first observed in rubidium and then in lithium and sodium, cooled down to extremely low temperatures. This book brought together many leaders in both theory and experiment on Bose-Einstein condensation in gases. Their lectures provided a detailed coverage of the experimental techniques for the creation and study of BEC, as well as the theoretical foundation for understanding the properties of this novel system. This volume provides the first systematic review of the field and the many developments that have taken place in the past three years.
Book Synopsis Bose-einstein Condensation - From Atomic Physics To Quantum Fluids, Procs Of The 13th Physics Summer Sch by : Mukunda Prasad Das
Download or read book Bose-einstein Condensation - From Atomic Physics To Quantum Fluids, Procs Of The 13th Physics Summer Sch written by Mukunda Prasad Das and published by World Scientific. This book was released on 2000-12-28 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bose-Einstein condensation of dilute gases is an exciting new field of interdisciplinary physics. The eight chapters in this volume introduce its theoretical and experimental foundations. The authors are lucid expositors who have also made outstanding contributions to the field. They include theorists Tony Leggett, Allan Griffin and Keith Burnett, and Nobel-Prize-winning experimentalist Bill Phillips. In addition to the introductory material, there are articles treating topics at the forefront of research, such as experimental quantum phase engineering of condensates, the “superchemistry” of interacting atomic and molecular condensates, and atom laser theory.
Book Synopsis Proceedings of the Thirteenth Physics Summer School by : Craig M. Savage
Download or read book Proceedings of the Thirteenth Physics Summer School written by Craig M. Savage and published by World Scientific. This book was released on 2000 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bose-Einstein condensation of dilute gases is an exciting new field of interdisciplinary physics. The eight chapters in this volume introduce its theoretical and experimental foundations. The authors are lucid expositors who have also made outstanding contributions to the field. They include theorists Tony Leggett, Allan Griffin and Keith Burnett, and Nobel-Prize-winning experimentalist Bill Phillips. In addition to the introductory material, there are articles treating topics at the forefront of research, such as experimental quantum phase engineering of condensates, the ?superchemistry? of interacting atomic and molecular condensates, and atom laser theory.
Book Synopsis Realization of Bose-Einstein Condensation with Lithium-7 Atoms by : Yichao Yu
Download or read book Realization of Bose-Einstein Condensation with Lithium-7 Atoms written by Yichao Yu and published by . This book was released on 2014 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents our work on developing and improving the techniques of trapping and cooling an ultra-cold cloud of Lithium-7 atoms and the realization of the Bose- Einstein condensate as a first step to study quantum magnetism in optical lattice. The techniques used in this experiment include Zeeman slowing, magneto-optical trapping (MOT), gray molasses, static magnetic trapping, evaporative cooling, optical dipole trapping (ODT), etc. The apparatus has the capability of creating a Bose-Einstein condensate with almost 106 atoms in 10 seconds as well as tuning the interaction between atoms in a BEC using the Feshbach resonance with a magnetic bias field of up to ~~ 1000G.
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 Bose-Einstein Condensates and Atom Lasers by : S. Martellucci
Download or read book Bose-Einstein Condensates and Atom Lasers written by S. Martellucci and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the International School of Quantum Electronics 27th course on Bose Einstein Condensates and Atom Lasers, October 19-24, 1999, Erice, Italy. Since the experimental demonstration of Bose Einstein Condensation in dilute atomic gases there has been an explosion of interest in the properties of this novel macroscopic quantum system. The book covers the methods used to produce these new samples of coherent atoms, their manipulation and the study of their properties. Emphasis is given to the anticipated development of new types of sources, which more and more resemble traditional types of lasers. Because of recent new applications and increasing demand for lasers, sensors and associated instrumentation, the chapters also cover current developments in the basic techniques, materials and applications in the field of the generation of coherent atoms.
Book Synopsis Collected Papers of Carl Wieman by : C. E. Wieman
Download or read book Collected Papers of Carl Wieman written by C. E. Wieman and published by World Scientific. This book was released on 2008 with total page 827 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carl Wieman''s contributions have had a major impact on defining the field of atomic physics as it exists today. His ground-breaking research has included precision laser spectroscopy; using lasers and atoms to provide important table-top tests of theories of elementary particle physics; the development of techniques to cool and trap atoms using laser light, particularly in inventing much simpler, less expensive ways to do this; the understanding of how atoms interact with one another and light at ultracold temperatures; and the creation of the first BoseOCoEinstein condensation in a dilute gas, and the study of the properties of this condensate. In recent years, he has also turned his attention to physics education and new methods and research in that area. This indispensable volume presents his collected papers, with annotations from the author, tracing his fascinating research path and providing valuable insight about the significance of the works. Sample Chapter(s). Introduction (197 KB). Contents: Precision Measurement and Parity Nonconservation; Laser Cooling and Trapping; BoseOCoEinstein Condensation; Science Education; Development of Research Technology. Readership: Graduates, postgraduates and researchers in atomic physics, laser physics and general physics."
Book Synopsis Bose-Einstein Condensation and Macroscopic Interference with Atomic Tunnel Arrays by : Philip Brian Anderson
Download or read book Bose-Einstein Condensation and Macroscopic Interference with Atomic Tunnel Arrays written by Philip Brian Anderson and published by . This book was released on 1999 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Cooling and Trapping by : Harold J. Metcalf
Download or read book Laser Cooling and Trapping written by Harold J. Metcalf and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intended for advanced undergraduates and beginning graduates with some basic knowledge of optics and quantum mechanics, this text begins with a review of the relevant results of quantum mechanics, before turning to the electromagnetic interactions involved in slowing and trapping atoms and ions, in both magnetic and optical traps. The concluding chapters discuss a broad range of applications, from atomic clocks and studies of collision processes, to diffraction and interference of atomic beams at optical lattices and Bose-Einstein condensation.
Book Synopsis Design and Characterization of Quadrupole-Ioffe (QUIC) trap for Bose-Einstein Condensation by : Prashant Povel Dwivedi
Download or read book Design and Characterization of Quadrupole-Ioffe (QUIC) trap for Bose-Einstein Condensation written by Prashant Povel Dwivedi and published by GRIN Verlag. This book was released on 2020-10-05 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Document from the year 2020 in the subject Physics - Optics, grade: 2, Manipal University (Department of Electronics and Communication Engineering - Manipal University Jaipur), course: Research, language: English, abstract: Magnetic traps for neutral atoms play an important role in achieving Bose-Einstein condensation (BEC) of atomic gases. The simplest way to magnetically trap atoms is to use the quadrupole field created by two coils with currents in opposite directions. In this configuration the atoms with appropriate spin state can be trapped at the middle of the coil where field is zero. For an atom in a weak-field-seeking state, atom are trapped at minima of magnetic field. The potential in a quadrupole trap grows linearly with distance from the trap center, where the magnetic field is zero. The major shortcoming of quadrupole traps is that cold atoms are removed from the trap due to Majorana flips at the trap center. This problem was overcome in time-averaged orbiting potential (TOP) traps and in Ioffe-Pritchard (IP) traps, which are both successfully used in current BEC experiments. However, the TOP trap is somewhat limited in its applications due to the low trap depth and the peculiarities arising from the rotating field. On the other hand, Ioffe traps require large currents and typically dissipate several kilowatts of power, which causes cooling, stabilization, and switching problems. Quadrupole Ioffe configuration (QUIC) trap consists of two identical quadrupole coils and one Ioffe coil, which is conical type, which operated at low currents and has no problem of spin flips at trap center because of finite field at the center. This trap dissipates less power, which simplifies the heat removal. If the current through the Ioffe coil is ramped from zero to its final value, the trapping potential smoothly changes from a quadrupole to an Ioffe potential. A current Iq through the quadrupole coils produces a spherical quadrupole trap in the center of the two coils. The trap is converted into the Ioffe configuration by turning on the current Iioffe through the Ioffe coil. With increasing current Iioffe the magnetic zero of the quadrupole is shifted towards the Ioffe coil. At certain value of Iioffe, the trap produce a non-vanishing offset field B0 and exhibit a harmonic variation of the potential close to the trap minimum. The advantage of the QUIC trap is that much lower currents are required and the coils can remain outside the vacuum. The disadvantage of this design is that the field minimum has moved toward the Ioffe Coil. This place a limit on optical access to the BEC QUIC trap generates a small finite magnetic field at the minimum of potential energy for BEC.
Book Synopsis Interactions in Ultracold Gases by : Matthias Weidemüller
Download or read book Interactions in Ultracold Gases written by Matthias Weidemüller and published by John Wiley & Sons. This book was released on 2011-02-10 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: Arising from a workshop, this book surveys the physics of ultracold atoms and molecules taking into consideration the latest research on ultracold phenomena, such as Bose Einstein condensation and quantum computing. Several reputed authors provide an introduction to the field, covering recent experimental results on atom and molecule cooling as well as the theoretical treatment.
Author :Ana Jofre Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612918122 Total Pages :366 pages Book Rating :4.9/5 (181 download)
Book Synopsis The Design and Construction of a Bose-Einstein Condensation Apparatus [microform] by : Ana Jofre
Download or read book The Design and Construction of a Bose-Einstein Condensation Apparatus [microform] written by Ana Jofre and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2004 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes the design and construction of the Bose-Einstein condensation (BEC) apparatus at the University of Toronto. The aim of the experiment is to create a Bose-Einstein condensate out of a vapour cloud of 87Rb atoms using a combination of laser cooling, magnetic trapping and evaporative cooling. The design and construction of all of the constituent parts necessary for the realization of these techniques are described in this work. The apparatus consists of two magneto-optical traps (MOTs, whereby the atoms are collected from a background vapour into the first MOT, and then transferred into the second MOT, which is in a region of ultra-high vacuum (
Book Synopsis Condensazione Di Bose-Einstein Nei Gas Atomici by : M. Inguscio
Download or read book Condensazione Di Bose-Einstein Nei Gas Atomici written by M. Inguscio and published by IOS Press. This book was released on 1999 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although first proposed by Einstein in 1924, Bose-Einstein condensation (BEC) in a gas was not achieved until 1995 when, using a combination of laser cooling and trapping, and magnetic trapping and evaporation, it was first observed in rubidium and then in lithium and sodium, cooled down to extremely low temperatures. This book brought together many leaders in both theory and experiment on Bose-Einstein condensation in gases. Their lectures provided a detailed coverage of the experimental techniques for the creation and study of BEC, as well as the theoretical foundation for understanding the properties of this novel system. This volume provides the first systematic review of the field and the many developments that have taken place in the past three years.
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 Ultracold Bosonic and Fermionic Gases by : Kathy Levin
Download or read book Ultracold Bosonic and Fermionic Gases written by Kathy Levin and published by Elsevier. This book was released on 2012-11-15 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapidly developing topic of ultracold atoms has many actual and potential applications for condensed-matter science, and the contributions to this book emphasize these connections. Ultracold Bose and Fermi quantum gases are introduced at a level appropriate for first-year graduate students and non-specialists such as more mature general physicists. The reader will find answers to questions like: how are experiments conducted and how are the results interpreted? What are the advantages and limitations of ultracold atoms in studying many-body physics? How do experiments on ultracold atoms facilitate novel scientific opportunities relevant to the condensed-matted community? This volume seeks to be comprehensible rather than comprehensive; it aims at the level of a colloquium, accessible to outside readers, containing only minimal equations and limited references. In large part, it relies on many beautiful experiments from the past fifteen years and their very fruitful interplay with basic theoretical ideas. In this particular context, phenomena most relevant to condensed-matter science have been emphasized. - Introduces ultracold Bose and Fermi quantum gases at a level appropriate for non-specialists - Discusses landmark experiments and their fruitful interplay with basic theoretical ideas - Comprehensible rather than comprehensive, containing only minimal equations
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