Properties of Cold Collisions in Relation to Bose-Einstein Condensation

Properties of Cold Collisions in Relation to Bose-Einstein Condensation PDF Author: Adriaan Jan Moerdijk
Publisher:
ISBN: 9789038604473
Category :
Languages : en
Pages : 106

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Properties of Cold Collisions in Relation to Bose-Einstein Condensation

Properties of Cold Collisions in Relation to Bose-Einstein Condensation PDF Author: Adriaan Jan Moerdijk
Publisher:
ISBN: 9789038604473
Category :
Languages : en
Pages : 106

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Book Description


Cold and Ultracold Collisions in Quantum Microscopic and Mesoscopic Systems

Cold and Ultracold Collisions in Quantum Microscopic and Mesoscopic Systems PDF Author: John Weiner
Publisher: Cambridge University Press
ISBN: 1139439499
Category : Science
Languages : en
Pages : 233

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Book Description
Cold and ultracold collisions occupy a strategic position at the intersection of several powerful themes of current research in chemical physics, in atomic, molecular and optical physics, and even in condensed matter. The nature of these collisions has important consequences for optical manipulation of inelastic and reactive processes, precision measurement of molecular and atomic properties, matter-wave coherences and quantum-statistical condensates of dilute, weakly interacting atoms. This crucial position explains the wide interest and explosive growth of the field since its inception in 1987. The author reviews elements of the quantum theory of scattering theory, collisions taking place in the presence of one or more light fields, and collisions in the dark, below the photon recoil limit imposed by the presence of any light field. Finally, it reviews the essential properties of these mesoscopic quantum systems and describes the key importance of the scattering length to condensate stability.

Experiments with Bose-Einstein Condensates in Optical Lattices and Cold Collisions of Ultracold Atoms

Experiments with Bose-Einstein Condensates in Optical Lattices and Cold Collisions of Ultracold Atoms PDF Author: Angela Susan Mellish
Publisher:
ISBN:
Category : Bose-Einstein condensation
Languages : en
Pages : 157

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Book Description
The experimental realisation of Bose-Einstein condensation in 1995 opened up a wealth of opportunities for probing quantum states of matter. The development of many tools used to manipulate such ultracold samples and the rapid progress on understanding these systems will ultimately lead to great technological advances. The work described in this thesis contributes to this worldwide effort and here we present experiments which investigate the properties and behaviour of ultracold atoms.

Bose-Einstein Condensates and Atom Lasers

Bose-Einstein Condensates and Atom Lasers PDF Author: S. Martellucci
Publisher: Springer Science & Business Media
ISBN: 0306471035
Category : Technology & Engineering
Languages : en
Pages : 322

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Book Description
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.

Low Temperatures and Cold Molecules

Low Temperatures and Cold Molecules PDF Author: Ian W. M. Smith
Publisher: Imperial College Press
ISBN: 1848162103
Category : Science
Languages : en
Pages : 578

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Book Description
This book brings together, for the first time, the results of recent research in areas ranging from the chemistry of cold interstellar clouds (10-20 K), through laboratory studies of the spectroscopy and kinetics of ions, radicals and molecules, to studies of molecules in liquid helium droplets, to attempts to create molecular (as distinct from atomic) Bose-Einstein condensates.

Interactions in Ultracold Gases

Interactions in Ultracold Gases PDF Author: Matthias Weidemüller
Publisher: John Wiley & Sons
ISBN: 3527635076
Category : Science
Languages : en
Pages : 519

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Book Description
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.

Optical Trapping And Manipulation Of Neutral Particles Using Lasers: A Reprint Volume With Commentaries

Optical Trapping And Manipulation Of Neutral Particles Using Lasers: A Reprint Volume With Commentaries PDF Author: Arthur Ashkin
Publisher: World Scientific
ISBN: 9814494348
Category : Science
Languages : en
Pages : 941

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Book Description
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.

Bose-Einstein Condensation

Bose-Einstein Condensation PDF Author: Keith Burnett (Ed); Mark Edwar
Publisher: DIANE Publishing
ISBN: 0788137409
Category :
Languages : en
Pages : 213

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Book Description
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.

Prospects for Bose-Einstein Condensation in Caesium

Prospects for Bose-Einstein Condensation in Caesium PDF Author: Stephen Webster (D.Phil.)
Publisher:
ISBN:
Category : Bose-Einstein condensation
Languages : en
Pages : 220

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Book Description


Bose–Einstein Condensation in Dilute Gases

Bose–Einstein Condensation in Dilute Gases PDF Author: C. J. Pethick
Publisher: Cambridge University Press
ISBN: 1139811088
Category : Science
Languages : en
Pages : 538

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Book Description
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.