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Author : Alexander Kasper
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (249 download)
Download or read book Bose-Einstein Condensation in a Robust Microtrap written by Alexander Kasper and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : Aaron Edward Leanhardt
Publisher :
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.:/5 (549 download)
Download or read book Microtraps and Waveguides for Bose-Einstein Condensates written by Aaron Edward Leanhardt and published by . This book was released on 2003 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) Partially condensed atomic vapors were confined by a combination of gravitational and magnetic forces. They were adiabatically decompressed, by weakening the gravito-magnetic trap to a mean frequency of 1 Hz, then evaporatively reduced in size to 2500 atoms. This lowered the peak condensate density to 5 x 1010 atoms/cm3 and cooled the entire cloud in all three dimensions to a kinetic temperature of 450±80 pK.
Author : M. P. A. Jones
Publisher :
ISBN 13 :
Total Pages : 0 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 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : 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 : René Gerritsma
Publisher :
ISBN 13 :
Total Pages : 103 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 103 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Baptist Piest
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (125 download)
Download or read book Bose-Einstein Condensation of K-41 and Rb-87 on an Atom Chip for Sounding Rocket Missions written by Baptist Piest and published by . This book was released on 2021 with total page 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.
Author : Hartmut Figger
Publisher : Springer Science & Business Media
ISBN 13 : 3662048973
Total Pages : 525 pages
Book Rating : 4.6/5 (62 download)
Download or read book Laser Physics at the Limits written by Hartmut Figger and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published on the occasion of Theodor Hänsch's 60th Birthday emphasis is placed on precision related to results in a variety of fields, such as atomic clocks, frequency standards, and the measurement of physical constants in atomic physics. Furthermore, illustrations and engineering applications of the fundamentals of quantum mechanics are widely covered. It has contributions by Nobel prize winners Norman F. Ramsey, Steven Chu, and Carl E. Wieman.
Author : Stephan Schulz
Publisher : Lulu.com
ISBN 13 : 0557621852
Total Pages : 192 pages
Book Rating : 4.5/5 (576 download)
Download or read book Scalable Microchip Ion Traps for Quantum Computation written by Stephan Schulz and published by Lulu.com. This book was released on 2010-09-13 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of scalable microfabricated ion traps with multiple segments for the realization of quantum computing is a challenging task in quantum information science. The research on the design, development, fabrication, and operation of the first European micro-trap is shown in this thesis. This chip-based micro-trap is an outstanding candidate towards experiments for a future quantum processor with trapped single ions. In the experiments coherent quantum state manipulation is demonstrated, and sideband cooling to the motional ground state is realized. The heating rate is determined and the applicability for quantum computation is proven. Furthermore planar trap designs are investigated - a planar microparticle trap was built and operated. A linear microfabricated planar trap was operated, showing the proof of concept of a novel designed and fabricated Y-shaped planar trap.
Author : Harold J. Metcalf
Publisher : Springer Science & Business Media
ISBN 13 : 146121470X
Total Pages : 329 pages
Book Rating : 4.4/5 (612 download)
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.
Author :
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (713 download)
Download or read book Experimental Issues in Coherent Quantum-State Manipulation of Trapped Atomic Ions written by and published by . This book was released on 1998 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods for, and limitations to, the generation of entangled states of trapped atomic ions are examined. As much as possible, state manipulations are described in terms of quantum logic operations since the conditional dynamics implicit in quantum logic is central to the creation of entanglement. Keeping with current interest, some experimental issues in the proposal for trapped-ion quantum computation by J.I. Cirac and P. Zoller (University of Innsbruck) are discussed. Several possible decoherence mechanisms are examined and what may be the more important of these are identified. Some potential applications for entangled states of trapped-ions which lie outside the immediate realm of quantum computation are also discussed.
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 : O. W. Richardson
Publisher : Watchmaker Publishing
ISBN 13 : 9781929148103
Total Pages : 336 pages
Book Rating : 4.1/5 (481 download)
Download or read book (Thermionic) Emission From Hot Bodies written by O. W. Richardson and published by Watchmaker Publishing. This book was released on 2003-03 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tatiana Makarova
Publisher : Elsevier
ISBN 13 : 0080460372
Total Pages : 577 pages
Book Rating : 4.0/5 (84 download)
Download or read book Carbon Based Magnetism written by Tatiana Makarova and published by Elsevier. This book was released on 2006-01-16 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Based Magnetism is the most complete, detailed, and accurate guide on the magnetism of carbon, the main element of living creatures. Written by the leading experts in the field, the book provides a comprehensive review of relevant experimental data and theoretical concepts related to the magnetism of metal-free carbon systems. These systems include carbon based compounds, namely organic radical magnetic systems, and magnetic materials based on carbon structures. The aim is to advance the understanding of the fundamental properties of carbon. This volume discusses all major modern hypotheses on the physical nature of magnetic ordering in carbon systems. The first chapters deal with magnetic ordering mechanisms in p-electron systems as well as molecular magnets with spins residing only in p-orbitals. The following chapters explore the magnetic properties of pure carbon, with particular emphasis on nanosized carbon systems with closed boundary (fullerenes and nanotubes) and with open boundary (structures with edge-localized magnetic states). The remaining chapters focus on newer topics: experimental observation and theoretical models for magnetic ordering above room temperature in pure carbon. The book also includes twenty three review articles that summarize the most significant recent and ongoing exciting scientific developments and provide the explanation. It also highlights some problems that have yet to be solved and points out new avenues for research. This book will appeal to physicists, chemists and biologists. - The most complete, detailed, and accurate Guide in the magnetism of carbon - Dynamically written by the leading experts - Deals with recent scientific highlights - Gathers together chemists and physicists, theoreticians and experimentalists - Unified treatment rather than a series of individually authored papers - Description of genuine organic molecular ferromagnets - Unique description of new carbon materials with Curie temperatures well above ambient.
Author : M. Inguscio
Publisher :
ISBN 13 :
Total Pages : 674 pages
Book Rating : 4.X/5 (4 download)
Download or read book Condensazione Di Bose-Einstein Nei Gas Atomici written by M. Inguscio and published by . This book was released on 1999 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:
