Design And Characterization Of Quadrupole Ioffe Quic Trap For Bose Einstein Condensation

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Design and Characterization of Quadrupole-Ioffe (QUIC) trap for Bose-Einstein Condensation

Author : Prashant Povel Dwivedi
Publisher : GRIN Verlag
ISBN 13 : 3346260194
Total Pages : 52 pages
Book Rating : 4.3/5 (462 download)

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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.

Bose-Einstein Condensation

Author : Lev. P. Pitaevskii
Publisher : Oxford University Press
ISBN 13 : 9780198507192
Total Pages : 392 pages
Book Rating : 4.5/5 (71 download)

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Book Synopsis Bose-Einstein Condensation by : Lev. P. Pitaevskii

Download or read book Bose-Einstein Condensation written by Lev. P. Pitaevskii and published by Oxford University Press. This book was released on 2003-04-03 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bose-Einstein Condensation represents a new state of matter and is one of the cornerstones of quantum physics, resulting in the 2001 Nobel Prize. Providing a useful introduction to one of the most exciting field of physics today, this text will be of interest to a growing community of physicists, and is easily accessible to non-specialists alike.

Collected Papers of Carl Wieman

Author : Carl E. Wieman
Publisher : World Scientific
ISBN 13 : 9812704167
Total Pages : 827 pages
Book Rating : 4.8/5 (127 download)

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Book Synopsis Collected Papers of Carl Wieman by : Carl E. Wieman

Download or read book Collected Papers of Carl Wieman written by Carl 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 Bose-Einstein 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.

Bose-Einstein Condensation in Dilute Gases

Author : Christopher Pethick
Publisher :
ISBN 13 : 9781139811781
Total Pages : 584 pages
Book Rating : 4.8/5 (117 download)

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Book Synopsis Bose-Einstein Condensation in Dilute Gases by : Christopher Pethick

Download or read book Bose-Einstein Condensation in Dilute Gases written by Christopher Pethick and published by . This book was released on 2014-05-14 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to ultracold atomic Bose and Fermi gases for advanced undergraduates, graduates, experimentalists and theorists.

Laser Physics at the Limits

Author : Hartmut Figger
Publisher : Springer Science & Business Media
ISBN 13 : 3662048973
Total Pages : 525 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Laser Physics at the Limits by : Hartmut Figger

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.

Bose-Einstein Condensates and Atom Lasers

Author : S. Martellucci
Publisher : Springer Science & Business Media
ISBN 13 : 0306471035
Total Pages : 322 pages
Book Rating : 4.3/5 (64 download)

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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.

Frequency Standards

Author : Fritz Riehle
Publisher : John Wiley & Sons
ISBN 13 : 3527605959
Total Pages : 540 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Frequency Standards by : Fritz Riehle

Download or read book Frequency Standards written by Fritz Riehle and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Of all measurement units, frequency is the one that may be determined with the highest degree of accuracy. It equally allows precise measurements of other physical and technical quantities, whenever they can be measured in terms of frequency. This volume covers the central methods and techniques relevant for frequency standards developed in physics, electronics, quantum electronics, and statistics. After a review of the basic principles, the book looks at the realisation of commonly used components. It then continues with the description and characterisation of important frequency standards from atomic clocks, to frequency stabilised lasers. The whole is rounded of with a discussion of topical applications in engineering, telecommunications, and metrology.

Vortices in Unconventional Superconductors and Superfluids

Author : Rudolf Huebener
Publisher : Springer Science & Business Media
ISBN 13 : 9783540423362
Total Pages : 390 pages
Book Rating : 4.4/5 (233 download)

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Book Synopsis Vortices in Unconventional Superconductors and Superfluids by : Rudolf Huebener

Download or read book Vortices in Unconventional Superconductors and Superfluids written by Rudolf Huebener and published by Springer Science & Business Media. This book was released on 2002-01-22 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topological defects are generic in continuous media. In the relativistic quantum vacuum they are known as cosmic strings, in superconductors as quantized flux lines, and in superfluids, low-density atomic Bose-Einstein condensates and neutron stars as quantized vortex lines. This collection of articles by leading scientists presents a modern treatment of the physics of vortex matter, mainly applied to unconventional superconductors and superfluids but with extensions to other areas of physics.

The Mathematics of the Bose Gas and its Condensation

Author : Elliott H. Lieb
Publisher : Springer Science & Business Media
ISBN 13 : 9783764373368
Total Pages : 220 pages
Book Rating : 4.3/5 (733 download)

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Book Synopsis The Mathematics of the Bose Gas and its Condensation by : Elliott H. Lieb

Download or read book The Mathematics of the Bose Gas and its Condensation written by Elliott H. Lieb and published by Springer Science & Business Media. This book was released on 2005-06-16 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a unique survey of the mathematically rigorous results about the quantum-mechanical many-body problem that have been obtained by the authors in the past seven years. It addresses a topic that is not only rich mathematically, using a large variety of techniques in mathematical analysis, but is also one with strong ties to current experiments on ultra-cold Bose gases and Bose-Einstein condensation. The book provides a pedagogical entry into an active area of ongoing research for both graduate students and researchers. It is an outgrowth of a course given by the authors for graduate students and post-doctoral researchers at the Oberwolfach Research Institute in 2004. The book also provides a coherent summary of the field and a reference for mathematicians and physicists active in research on quantum mechanics.

Interactions in Ultracold Gases

Author : Matthias Weidemüller
Publisher : John Wiley & Sons
ISBN 13 : 3527635076
Total Pages : 519 pages
Book Rating : 4.5/5 (276 download)

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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.

Bose-Einstein Condensation of Molecules

Author : Selim Jochim
Publisher :
ISBN 13 : 9783816766988
Total Pages : 177 pages
Book Rating : 4.7/5 (669 download)

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Book Synopsis Bose-Einstein Condensation of Molecules by : Selim Jochim

Download or read book Bose-Einstein Condensation of Molecules written by Selim Jochim and published by . This book was released on 2005 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bragg Spectroscopy of Quantum Gases: Exploring Physics in One Dimension

Author : Nicole Fabbri
Publisher :
ISBN 13 : 9788866552208
Total Pages : 188 pages
Book Rating : 4.5/5 (522 download)

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Book Synopsis Bragg Spectroscopy of Quantum Gases: Exploring Physics in One Dimension by : Nicole Fabbri

Download or read book Bragg Spectroscopy of Quantum Gases: Exploring Physics in One Dimension written by Nicole Fabbri and published by . This book was released on 2013 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Bose-Einstein Condensate Coupled to a Micromechanical Oscillator

Author : David Hunger
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838118369
Total Pages : 188 pages
Book Rating : 4.1/5 (183 download)

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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.

World Congress on Superconductivity

Author : Calvin G. Burnham
Publisher : World Scientific
ISBN 13 : 9789971506100
Total Pages : 710 pages
Book Rating : 4.5/5 (61 download)

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Book Synopsis World Congress on Superconductivity by : Calvin G. Burnham

Download or read book World Congress on Superconductivity written by Calvin G. Burnham and published by World Scientific. This book was released on 1988 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of high temperature superconductors is one of the major technological discoveries of this century. The impact and interactions from the scientific, technical, business and political aspects will be presented.

Perfectly Reasonable Deviations from the Beaten Track

Author : Richard P. Feynman
Publisher : Basic Books
ISBN 13 : 0786722428
Total Pages : 515 pages
Book Rating : 4.7/5 (867 download)

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Book Synopsis Perfectly Reasonable Deviations from the Beaten Track by : Richard P. Feynman

Download or read book Perfectly Reasonable Deviations from the Beaten Track written by Richard P. Feynman and published by Basic Books. This book was released on 2008-08-01 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: "I'm an explorer, OK? I like to find out!" -- One of the towering figures of twentieth-century science, Richard Feynman possessed a curiosity that was the stuff of legend. Even before he won the Nobel Prize in 1965, his unorthodox and spellbinding lectures on physics secured his reputation amongst students and seekers around the world. It was his outsized love for life, however, that earned him the status of an American cultural icon-here was an extraordinary intellect devoted to the proposition that the thrill of discovery was matched only by the joy of communicating it to others. In this career-spanning collection of letters, many published here for the first time, we are able to see this side of Feynman like never before. Beginning with a short note home in his first days as a graduate student, and ending with a letter to a stranger seeking his advice decades later, Perfectly Reasonable Deviations from the Beaten Track covers a dazzling array of topics and themes, scientific developments and personal histories. With missives to and from scientific luminaries, as well as letters to and from fans, family, students, crackpots, as well as everyday people eager for Feynman's wisdom and counsel, the result is a wonderful de facto guide to life, and eloquent testimony to the human quest for knowledge at all levels. Feynman once mused that "people are entertained' enormously by being allowed to understand a little bit of something they never understood before." As edited and annotated by his daughter, Michelle, these letters not only allow us to better grasp the how and why of Feynman's enduring appeal, but also to see the virtues of an inquiring eye in spectacular fashion. Whether discussing the Manhattan Project or developments in quantum physics, the Challenger investigation or grade-school textbooks, the love of his wife or the best way to approach a problem, his dedication to clarity, grace, humor, and optimism is everywhere evident..

Physics and Applications of Non-Crystalline Semiconductors in Optoelectronics

Author : A. Andriesh
Publisher : Springer Science & Business Media
ISBN 13 : 9401154961
Total Pages : 476 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Physics and Applications of Non-Crystalline Semiconductors in Optoelectronics by : A. Andriesh

Download or read book Physics and Applications of Non-Crystalline Semiconductors in Optoelectronics written by A. Andriesh and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Workshop on Physics and Application of Non-crystalline Semiconductors in Optoelectronics was held from 15 to 17 October 1996 in Chisinau. republic of Moldova and was devoted to the problems of non-crystalline semiconducting materials. The reports covered two mjlin topics: theoretical basis of physics of non -crystalline materials and experimental results. In the framework of these major topics there were treated many subjects. concerning the physics of non-crystalline semiconductors and their specific application: -optical properties of non-crystalline semiconductors; -doping of glassy semiconductors and photoinduced effects in chalcogenide glasses and their application for practical purposes; -methods for investigation of the structure in non-crystalline semiconductors -new glassy materials for IR trasmittance and optoelectronics. Reports and communications were presented on various aspects of the theory. new physical principles. studies of the atomic structure. search and development of optoelectronics devices. Special attention was paid to the actual subject of photoinduced transformations and its applications. Experimental investigations covered a rather wide spectrum of materials and physical phenomena. As a novel item it is worth to mention the study of nonlinear optical effects in amorphous semiconducting films. The third order optical non linearities. fast photoinduced optical absorption and refraction. acusto-optic effects recently discovered in non-crystalline semiconductors could potentially be utilised for optical signal processing. The important problems of photoinduced structural transformations and related phenomena. which are very attractive and actual both from the scientific and practical points of view. received much attention in discussions at the conference.

The Hydrogen Atom

Author : S.G. Karshenboim
Publisher : Springer
ISBN 13 : 3540453954
Total Pages : 778 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis The Hydrogen Atom by : S.G. Karshenboim

Download or read book The Hydrogen Atom written by S.G. Karshenboim and published by Springer. This book was released on 2007-12-03 with total page 778 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than a century, studies of atomic hydrogen have been a rich source of scientific discoveries. These began with the Balmer series in 1885 and the early quantum theories of the atom, and later included the development of QED and the first successful gauge field theory. Today, hydrogen and its relatives continue to provide new fundamental information, as witnessed by the contributions to this book. The printed volume contains invited reviews on the spectroscopy of hydrogen, muonium, positronium, few-electron ions and exotic atoms, together with related topics such as frequency metrology and the determination of fundamental constants. The accompanying CD contains, in addition to these reviews, a further 40 contributed papers also presented at the conference "Hydrogen Atom 2" held in summer 2000. Finally, to facilitate a historical comparison, the CD also contains the proceedings of the first "Hydrogen Atom" conference of 1988. The book includes a foreword by Norman F. Ramsey.