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Author : René Gerritsma
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (777 download)
Download or read book Permanent Magnetic Atom Chips and Bose-Einstein Condensation written by René Gerritsma and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jakob Reichel
Publisher : John Wiley & Sons
ISBN 13 : 3527643923
Total Pages : 412 pages
Book Rating : 4.5/5 (276 download)
Download or read book Atom Chips written by Jakob Reichel and published by John Wiley & Sons. This book was released on 2011-08-24 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: This stimulating discussion of a rapidly developing field is divided into two parts. The first features tutorials in textbook style providing self-contained introductions to the various areas relevant to atom chip research. Part II contains research reviews that provide an integrated account of the current state in an active area of research where atom chips are employed, and explore possible routes of future progress. Depending on the subject, the length of the review and the relative weight of the 'review' and 'outlook' parts vary, since the authors include their own personal view and style in their accounts.
Download or read book Bose-Einstein Condensation in a Robust Microtrap -- the Combination of Wire Traps and Atom Chips written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In the presented work, we report about the successful creation of a Rubidium Bose-Einstein condensate. We use so called magnetic wire traps, which are especially simple, as they consist out of a wire and a homogeneous bias field. These wire traps are especially suited for Bose-Einstein condensation. Furthermore complex trapping potentials to manipulate a Bose-Einstein condensate can be realized. We combine 'large' and small scale wire traps. The 'large' scale is realized with a massive copper structure, while for the small wire traps we use the so called atom chip. This combination is promising, because it allowed us to develop a condensation process in the copper structure, which is independent of the structures on the atom chip, and thus the exchange of the 'physics' area. First experiments with the Bose-Einstein condensate are presented and discussed in detail.
Author : Shannon Whitlock
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (225 download)
Download or read book Bose-Einstein Condensates on a Magnetic Film Atom Chip written by Shannon Whitlock and published by . This book was released on 2007 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ran Salem
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (659 download)
Download or read book Bose-Einstein Condensate on the Atom Chip written by Ran Salem and published by . This book was released on 2010 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. P. A. Jones
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (593 download)
Download or read book Bose Einstein Condensation on an Atom Chip written by M. P. A. Jones and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thorsten Schumm
Publisher :
ISBN 13 :
Total Pages : 189 pages
Book Rating : 4.:/5 (494 download)
Download or read book Bose-Einstein Condensates in Magnetic Double Well Potentials written by Thorsten Schumm and published by . This book was released on 2006 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents two realizations of magnetic double well potentials for Bose-Einstein condensates (BECs) on atom chips. One approach utilizes static magnetic traps, created by current carrying micro wires, manipulating the atoms close to the chip surface. As in all other atom chip experiments, cold atom clouds are found to break up to pieces in the vicinity of the trapping structure. A careful study of the underlying magnetic potential could attribute this fragmentation to current deviations, caused by corrugation of the wire edges. To avoid this effect, a new fabrication technique (electron beam lithography, gold evaporation) was employed to create 700nm cross section wires of significantly improved quality. A BEC was created and successfully transferred to the sub-micron structure, generating the double well. The general qualification of the device could be demonstrated by splitting cold thermal atomic clouds. However, numerous technical problems do yet prevent us from performing the experiment with BECs. The second approach pursued in this thesis combines static magnetic traps with oscillating (RF) magnetic fields and realizes a double well in the emerging adiabatic dressed potential. This scheme can be realized far from the chip surface, fragmentation does not occur and Bose-Einstein condensates could be split successfully. We realize a matter wave interferometer by recombining the two clouds in free expansion. The arising interference patterns reveal a narrow distribution of the relative phase, indicating a coherent splitting process. We monitor the phase evolution throughout and after the splitting and control it by deliberately unbalancing the double well.
Author : Peter D. D. Schwindt
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (566 download)
Download or read book Magnetic Traps and Guides for Bose-Einstein Condensates on an Atom Chip written by Peter D. D. Schwindt and published by . This book was released on 2003 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mukunda Prasad Das
Publisher : World Scientific
ISBN 13 : 9814491985
Total Pages : 315 pages
Book Rating : 4.8/5 (144 download)
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.
Author : David Hunger
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838118369
Total Pages : 188 pages
Book Rating : 4.1/5 (183 download)
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.
Author : Edward A Hinds
Publisher : World Scientific
ISBN 13 : 9814478598
Total Pages : 451 pages
Book Rating : 4.8/5 (144 download)
Download or read book Laser Spectroscopy - Proceedings Of The Xvii International Conference written by Edward A Hinds and published by World Scientific. This book was released on 2005-12-15 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the latest volume in the series of proceedings from the biannual International Conference on Laser Spectroscopy, one of the leading conferences in the field. Over its 34-year history, this conference series has been a forum for the announcement of many new developments in laser physics and laser spectroscopy and more recently laser cooling of atoms and quantum information processing. The proceedings include contributions from the invited speakers and a selection of contributed papers.A particular theme for this volume is precision measurements. Motivated by the untapped potential for vast improvements in accuracy offered by atomic systems, this subject has advanced tremendously in recent years by new developments in laser technology. This has been recognized by the 2005 Nobel Prize in Physics awarded to two of the pioneers in the field and contributors to these proceedings, J L Hall and T W Hänsch.The other main theme of the proceedings is cold atoms and quantum degenerate gases. This conference marked the 10th anniversary of the first announcement of an atomic Bose-Einstein Condensate at the 12th International Conference on Laser Spectroscopy with a contribution from Nobel Laureate Eric Cornell.
Author : Kai Dieckmann
Publisher :
ISBN 13 : 9789090145471
Total Pages : 122 pages
Book Rating : 4.1/5 (454 download)
Download or read book Bose-Einstein Condensation with High Atom Number in a Deep Magnetic Trap written by Kai Dieckmann and published by . This book was released on 2001 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edem Tsikata
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (59 download)
Download or read book The Characterization of Bose-Einstein Condensates on an Atom Chip written by Edem Tsikata and published by . This book was released on 2002 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nick P. Proukakis
Publisher : Cambridge University Press
ISBN 13 : 1108138624
Total Pages : 663 pages
Book Rating : 4.1/5 (81 download)
Download or read book Universal Themes of Bose-Einstein Condensation written by Nick P. Proukakis and published by Cambridge University Press. This book was released on 2017-04-27 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following an explosion of research on Bose–Einstein condensation (BEC) ignited by demonstration of the effect by 2001 Nobel prize winners Cornell, Wieman and Ketterle, this book surveys the field of BEC studies. Written by experts in the field, it focuses on Bose–Einstein condensation as a universal phenomenon, covering topics such as cold atoms, magnetic and optical condensates in solids, liquid helium and field theory. Summarising general theoretical concepts and the research to date - including novel experimental realisations in previously inaccessible systems and their theoretical interpretation - it is an excellent resource for researchers and students in theoretical and experimental physics who wish to learn of the general themes of BEC in different subfields.
Download or read book One-dimensional Bose-Einstein Condensates in Micro-traps written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A novel wire-based magneto-optical trap has been demonstrated which enables to collect up to 3x10^8 cold atoms close to the reflecting surface of an atom chip. These atoms are subsequently transferred to micro-traps generated by wires mounted on the atom chip and Bose-Einstein condensation has been achieved. The Bose-Einstein condensates (BECs) created in the micro-traps form in the one-dimensional Thomas-Fermi regime. The cross-over between three-dimensional and one-dimensional BECs has been investigated by monitoring the transverse size of the BEC after ballistic expansion. Good agreement to theory has been found. As an application, one-dimensional BECs have been used to implement a microscopic magnetic field sensor. This sensor enables field measurements in a region which is not accessible for today's state-of-the-art sensors. A field sensitivity of 4 nT at a spatial resolution of 3 micrometer has been demonstrated. To investigate the phase-properties of a one-dimensional BEC, coherent splitting of a one-dimensional BEC has been achieved and interferometry on an atom chip has been demonstrated.
Author : C. J. Pethick
Publisher : Cambridge University Press
ISBN 13 : 1139811088
Total Pages : 538 pages
Book Rating : 4.1/5 (398 download)
Download or read book Bose–Einstein Condensation in Dilute Gases written by C. J. Pethick and published by Cambridge University Press. This book was released on 2008-09-11 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since an atomic Bose-Einstein condensate, predicted by Einstein in 1925, was first produced in the laboratory in 1995, the study of ultracold Bose and Fermi gases has become one of the most active areas in contemporary physics. This book explains phenomena in ultracold gases from basic principles, without assuming a detailed knowledge of atomic, condensed matter, and nuclear physics. This new edition has been revised and updated, and includes new chapters on optical lattices, low dimensions, and strongly-interacting Fermi systems. This book provides a unified introduction to the physics of ultracold atomic Bose and Fermi gases for advanced undergraduate and graduate students, as well as experimentalists and theorists. Chapters cover the statistical physics of trapped gases, atomic properties, cooling and trapping atoms, interatomic interactions, structure of trapped condensates, collective modes, rotating condensates, superfluidity, interference phenomena, and trapped Fermi gases. Problems are included at the end of each chapter.
Author : Dian-jiun Han
Publisher :
ISBN 13 :
Total Pages : 308 pages
Book Rating : 4.:/5 (436 download)
Download or read book Bose-Einstein condensation of rubidium-87 atoms in a magnetic trap written by Dian-jiun Han and published by . This book was released on 1998 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
