Weakly Coupled Bose Einstein Condensates In Three Dimensions

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Weakly Coupled Bose-Einstein Condensates in Three Dimensions

Author : Sanjaya Lohani
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659273797
Total Pages : 88 pages
Book Rating : 4.2/5 (737 download)

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Book Synopsis Weakly Coupled Bose-Einstein Condensates in Three Dimensions by : Sanjaya Lohani

Download or read book Weakly Coupled Bose-Einstein Condensates in Three Dimensions written by Sanjaya Lohani and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the present work the ground state energy of two weakly coupled Bose Einstein condensates separated by double well potential is estimated in three dimensions. By solving three dimensional time independent Gross Pitaevskii equation wave function, density, kinetic energy, potential energy, self energy and total energy of the Bose-Einstein condensates in double well potential have been studied. All these various quantities are also numerically calculated by using Thomas-Fermi Approximation (TFA). It is found that at small number of condensate atoms (N) in the trap, the results obtained from these two methods are quite different but when number of condensate atoms in the trap goes on increasing, the values calculated by using TFA is closer and closer to that obtained from the numerical calculation method. When the value of N is increased, tunneling current in TFA begins to appear and coherent splitting of matter waves starts to be affected. Hence for sufficiently larger value of N, there is "Spontaneous Symmetry Breaking." Further we have numerically calculated the first excited state wave function, density, kinetic energy, potential energy, self energy and total energy.

Weakly Interacting Spinor Bose–Einstein Condensates with Three-dimensional Spin–orbit Coupling*Project Supported by the National Natural Science Foundation of China (Grant No. 11447178).

Download Weakly Interacting Spinor Bose–Einstein Condensates with Three-dimensional Spin–orbit Coupling*Project Supported by the National Natural Science Foundation of China (Grant No. 11447178). PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (15 download)

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Book Synopsis Weakly Interacting Spinor Bose–Einstein Condensates with Three-dimensional Spin–orbit Coupling*Project Supported by the National Natural Science Foundation of China (Grant No. 11447178). by :

Download or read book Weakly Interacting Spinor Bose–Einstein Condensates with Three-dimensional Spin–orbit Coupling*Project Supported by the National Natural Science Foundation of China (Grant No. 11447178). written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Non-equilibrium Dynamics of Tunnel-Coupled Superfluids

Author : Marine Pigneur
Publisher : Springer Nature
ISBN 13 : 3030528448
Total Pages : 204 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Non-equilibrium Dynamics of Tunnel-Coupled Superfluids by : Marine Pigneur

Download or read book Non-equilibrium Dynamics of Tunnel-Coupled Superfluids written by Marine Pigneur and published by Springer Nature. This book was released on 2020-08-28 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: The relaxation of isolated quantum many-body systems is a major unsolved problem of modern physics, which is connected to many fundamental questions. However, realizations of quantum many-body systems which are both well isolated from their environment and accessible to experimental study are scarce. In recent years, the field has experienced rapid progress, partly attributed to ultra-cold atoms. This book presents the experimental study of a relaxation phenomenon occurring in a one-dimensional bosonic Josephson junction. The system consists of two 1D quasi Bose-Einstein condensates of 87Rb, magnetically trapped on an atom chip. Using radio-frequency dressing, the author deforms a single harmonic trap, in which the atoms are initially condensed, into a double-well potential and realizes a splitting of the wave function. A large spatial separation and a tilt of the double-well enable the preparation of a broad variety of initial states by precisely adjusting the initial population and relative phase of the two wave packets, while preserving the phase coherence. By re-coupling the two wave packets, the author investigates tunneling regimes such as Josephson (plasma) oscillations and macroscopic quantum self-trapping. In both regimes, the tunneling dynamics exhibits a relaxation to a phase-locked equilibrium state contradicting theoretical predictions. The experimental results are supported with an empirical model that allows quantitative discussions according to various experimental parameters. These results illustrate how strongly the non-equilibrium dynamics differ from the equilibrium one, which is well described by thermodynamics and statistical physics.

Bose-Einstein Condensation and Superfluidity

Author : Lev Pitaevskii
Publisher : Oxford University Press
ISBN 13 : 0191076686
Total Pages : 567 pages
Book Rating : 4.1/5 (91 download)

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Book Synopsis Bose-Einstein Condensation and Superfluidity by : Lev Pitaevskii

Download or read book Bose-Einstein Condensation and Superfluidity written by Lev Pitaevskii and published by Oxford University Press. This book was released on 2016-01-21 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultracold atomic gases is a rapidly developing area of physics that attracts many young researchers around the world. Written by world renowned experts in the field, this book gives a comprehensive overview of exciting developments in Bose-Einstein condensation and superfluidity from a theoretical perspective. The authors also make sense of key experiments from the past twenty years with a special focus on the physics of ultracold atomic gases. These systems are characterized by a rich variety of features which make them similar to other important systems of condensed matter physics (like superconductors and superfluids). At the same time they exhibit very peculiar properties which are the result of their gaseous nature, the possibility of trapping in a variety of low dimensional and periodical configurations, and of manipulating the two-body interaction. The book presents a systematic theoretical description based on the most successful many-body approaches applied both to bosons and fermions, at equilibrium and out of equilibrium, at zero as well as at finite temperature. Both theorists and experimentalists will benefit from the book, which is mainly addressed to beginners in the field (master students, PhD students, young postdocs), but also to more experienced researchers who can find in the book novel inspirations and motivations as well as new insightful connections. Building on the authors' first book, Bose-Einstein Condensation (Oxford University Press, 2003), this text offers a more systematic description of Fermi gases, quantum mixtures, low dimensional systems and dipolar gases. It also gives further emphasis on the peculiar phenomenon of superfluidity and its key role in many observable properties of these ultracold quantum gases.

Statics and Dynamics of Weakly Coupled Antiferromagnetic Spin-1/2 Ladders in a Magnetic Field

Author : Pierre Bouillot
Publisher : Springer Science & Business Media
ISBN 13 : 3642338089
Total Pages : 104 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Statics and Dynamics of Weakly Coupled Antiferromagnetic Spin-1/2 Ladders in a Magnetic Field by : Pierre Bouillot

Download or read book Statics and Dynamics of Weakly Coupled Antiferromagnetic Spin-1/2 Ladders in a Magnetic Field written by Pierre Bouillot and published by Springer Science & Business Media. This book was released on 2012-12-14 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis shows how a combination of analytic and numerical techniques, such as a time dependent and finite temperature Density Matrix Renormalization Group (DMRG) technique, can be used to obtain the physical properties of low dimensional quantum magnets with an unprecedented level of accuracy. A comparison between the theory and experiment then enables these systems to be used as quantum simulators; for example, to test various generic properties of low dimensional systems such as Luttinger liquid physics, the paradigm of one dimensional interacting quantum systems. Application of these techniques to a material made of weakly coupled ladders (BPCB) allowed the first quantitative test of Luttinger liquids. In addition, other physical quantities (magnetization, specific heat etc.), and more remarkably the spins-spin correlations – directly measurable in neutron scattering experiments – were in excellent agreement with the observed quantities. We thus now have tools to quantitatiively assess the dynamics for this class of quantum systems.

Universal Themes of Bose-Einstein Condensation

Author : Nick P. Proukakis
Publisher : Cambridge University Press
ISBN 13 : 1108138624
Total Pages : 663 pages
Book Rating : 4.1/5 (81 download)

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Book Synopsis Universal Themes of Bose-Einstein Condensation by : Nick P. Proukakis

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.

Self-consistent Quantum-Field Theory and Bosonization for Strongly Correlated Electron Systems

Author : Rudolf Haussmann
Publisher : Springer Science & Business Media
ISBN 13 : 3540489363
Total Pages : 181 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Self-consistent Quantum-Field Theory and Bosonization for Strongly Correlated Electron Systems by : Rudolf Haussmann

Download or read book Self-consistent Quantum-Field Theory and Bosonization for Strongly Correlated Electron Systems written by Rudolf Haussmann and published by Springer Science & Business Media. This book was released on 2003-07-01 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research monograph offers an introduction to advanced quantum field theoretical techniques for many-particle systems beyond perturbation theory. Several schemes for resummation of the Feynman diagrams are described. The resulting approximations are especially well suited for strongly correlated fermion and boson systems. Also considered is the crossover from BCS superconductivity to Bose--Einstein condensation in fermion systems with strong attractive interaction. In particular, a field theoretic formulation of "bosonization" is presented; it is published here for the first time. This method is applied to the fractional quantum Hall effect, to the Coulomb plasma, and to several exactly solvable models.

Advances in Solid State Physics 47

Author : Rolf Haug
Publisher : Springer Science & Business Media
ISBN 13 : 3540743251
Total Pages : 345 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Advances in Solid State Physics 47 by : Rolf Haug

Download or read book Advances in Solid State Physics 47 written by Rolf Haug and published by Springer Science & Business Media. This book was released on 2008-01-23 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 2007 Spring Meeting of the Arbeitskreis Festkörperphysik was held in Regensburg, Germany, March 2007, in conjunction with the Deutsche Physikalische Gesellschaft. It was one of the largest physics meetings in Europe. The present volume 47 of the Advances in Solid State Physics contains written versions of a large number of the invited talks and gives an overview of the present status of solid state physics where low-dimensional systems are dominating.

Optical Tweezers

Author : Philip H. Jones
Publisher : Cambridge University Press
ISBN 13 : 1107051169
Total Pages : 565 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Optical Tweezers by : Philip H. Jones

Download or read book Optical Tweezers written by Philip H. Jones and published by Cambridge University Press. This book was released on 2015-12-03 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide to the theory, practice and applications of optical tweezers, combining state-of-the-art research with a strong pedagogic approach.

Quantum Liquids

Author : Anthony James Leggett
Publisher : OUP Oxford
ISBN 13 : 0191037214
Total Pages : 405 pages
Book Rating : 4.1/5 (91 download)

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Book Synopsis Quantum Liquids by : Anthony James Leggett

Download or read book Quantum Liquids written by Anthony James Leggett and published by OUP Oxford. This book was released on 2006-09-28 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Starting from first principles, this book introduces the closely related phenomena of Bose condensation and Cooper pairing, in which a very large number of single particles or pairs of particles are forced to behave in exactly the same way, and explores their consequences in condensed matter systems. Eschewing advanced formal methods, the author uses simple concepts and arguments to account for the various qualitatively new phenomena which occur in Bose-condensed and Cooper-paired systems, including but not limited to the spectacular macroscopic phenomena of superconductivity and superfluidity. The physical systems discussed include liquid 4-He, the BEC alkali gases, "classical" superconductors, superfluid 3-He, "exotic" superconductors and the recently stabilized Fermi alkali gases. The book should be accessible to beginning graduate students in physics or advanced undergraduates.

Bose-Einstein Condensation in Dilute Gases

Author : C. J. Pethick
Publisher : Cambridge University Press
ISBN 13 : 9780521665803
Total Pages : 420 pages
Book Rating : 4.6/5 (658 download)

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Book Synopsis Bose-Einstein Condensation in Dilute Gases by : C. J. Pethick

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 2002 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Problems after each chapter

Condensed Matter Theories

Author : Lesser Blum
Publisher : Springer Science & Business Media
ISBN 13 : 1461529344
Total Pages : 660 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Condensed Matter Theories by : Lesser Blum

Download or read book Condensed Matter Theories written by Lesser Blum and published by Springer Science & Business Media. This book was released on 2013-03-07 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: The XVI International Workshop on Condensed Matter Theories (CMT) was held in San Juan. Puerto Rico between June 1 and 5, 1992. It was attended by about 80 scientists from allover the world. The Workshop was started in 1977 by V. C. Aguilera-Navarro, in Sao Paolo, Brazil, as the Panamerican Workshop on Condensed Matter Theories, to promote the exchange of ideas and techniques of groups that normally do not interact, such as people working in the areas of Nuclear Physics and Solid state Physics, Many Body Theory, or Quantum Fluids, and Classical Statistical Mechanics, and so on. It had also the purpose of bringing together people from different regions of the globe. The next CMT Workshop was held in 1978 in Trieste, Italy, outside of America. But the next four met in the American continent: Buenos Aires, Argentina (1979), Caracas, Venezuela (1980), Mexico City, Mexico (1981), and St. Louis, Missouri (1982). At this time the scope and the participation had increased, and the name was changed to the "International" Workshop in CMT. The 1983 edition took place in Altenberg, Germany. The following CMT workshops took place in Granada, Spain (1984), San Francisco, California (1985), Argonne, Illinois (1986), Oulu, Finland (1987), Taxco, Mexico (1988), Campos do Jordao, Brazil (1989), Elba Island, Italy (1990), and Mar del Plata, Argentina (1991). There were 48 invited talks in this Workshop.

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.

Low Dimensional Properties Of Solids: Nobel Jubilee Symposium - Proceedings Of The Nobel Jubilee Symposium

Author : T Claeson
Publisher : World Scientific
ISBN 13 : 9814553751
Total Pages : 222 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Low Dimensional Properties Of Solids: Nobel Jubilee Symposium - Proceedings Of The Nobel Jubilee Symposium by : T Claeson

Download or read book Low Dimensional Properties Of Solids: Nobel Jubilee Symposium - Proceedings Of The Nobel Jubilee Symposium written by T Claeson and published by World Scientific. This book was released on 1993-03-08 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rarely do so many leading physicists attend one symposium. No less than nine Nobel laureates and some 40 other top researchers gathered for this symposium and this book contains the material presented in invited talks as well as the posters. The 34 papers are organised into three groups corresponding to various aspects of low dimensional physics of solids.

Nuclear Science Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 700 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Nuclear Science Abstracts by :

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Condensation And Coherence In Condensed Matter, Proceedings Of The Nobel Jubilee Symposium

Author : T Claeson
Publisher : World Scientific
ISBN 13 : 9814486418
Total Pages : 187 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Condensation And Coherence In Condensed Matter, Proceedings Of The Nobel Jubilee Symposium by : T Claeson

Download or read book Condensation And Coherence In Condensed Matter, Proceedings Of The Nobel Jubilee Symposium written by T Claeson and published by World Scientific. This book was released on 2003-03-21 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2001, the Nobel Foundation celebrated the 100th anniversary of the first Nobel Prize, and all previous Nobel laureates were invited to attend the Nobel ceremonies in Stockholm. This gave an excellent opportunity for arranging jubilee symposia with topics that would attract several of the laureates. The chosen subject of “Condensation and Coherence in Condensed Systems” attracted sixteen Nobel laureates and another thirty-five leading scientists.The idea was to bring scientists together from several related subdisciplines: atomic physics, quantum optics, and condensed matter physics, for cross-breeding of ideas, concepts, and experience. Subjects like phase transitions in strongly coupled systems, Bose-Einstein condensation in weakly coupled systems, macroscopic quantum phenomena, coherence in mesoscopic structures, and quantum information were intensively discussed from different points of view. Coherence phenomena in condensed systems were emphasized. A special session was devoted to the emerging field of quantum computing, with experimental and theoretical results reported for different types of qu-bits. The 2001 Nobel Prize awarded to Eric Cornell, Wolfgang Ketterle, and Carl Wieman, “for the achievement of Bose-Einstein condensation in dilute gases of alkali atoms, and for early fundamental studies of the properties of the condensates,” gave an extra flavor to the theme of the Centennial Symposium.

Quantum Mathematics II

Author : Michele Correggi
Publisher : Springer Nature
ISBN 13 : 9819958849
Total Pages : 371 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Quantum Mathematics II by : Michele Correggi

Download or read book Quantum Mathematics II written by Michele Correggi and published by Springer Nature. This book was released on 2024-01-09 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the second volume that provides an unique overview of the most recent and relevant contributions in the field of mathematical physics with a focus on the mathematical features of quantum mechanics. It is a collection of review papers together with brand new works related to the activities of the INdAM Intensive Period "INdAM Quantum Meetings (IQM22)", which took place at the Politecnico di Milano in Spring 2022 at Politecnico di Milano. The range of topics covered by the book is wide, going ranging from many-body quantum mechanics to quantum field theory and open quantum systems.