High Precision Optical Spectroscopy And Quantum State Selected Photodissociation Of Ultracold 88sr2 Molecules In An Optical Lattice

Author : Mickey McDonald
Publisher : Springer
ISBN 13 : 3319687352
Total Pages : 183 pages
Book Rating : 4.53/5 ( download)

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Download or read book High Precision Optical Spectroscopy and Quantum State Selected Photodissociation of Ultracold 88Sr2 Molecules in an Optical Lattice written by Mickey McDonald and published by Springer. This book was released on 2017-11-18 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis unites the fields of optical atomic clocks and ultracold molecular science, laying the foundation for optical molecular measurements of unprecedented precision. Building upon optical manipulation techniques developed by the atomic clock community, this work delves into attaining surgical control of molecular quantum states. The thesis develops two experimental observables that one can measure with optical-lattice-trapped ultracold molecules: extremely narrow optical spectra, and angular distributions of photofragments that are ejected when the diatomic molecules are dissociated by laser light pulses. The former allows molecular spectroscopy approaching the level of atomic clocks, leading into molecular metrology and tests of fundamental physics. The latter opens the field of ultracold chemistry through observation of quantum effects such as matter-wave interference of photofragments and tunneling through reaction barriers. The thesis also describes a discovery of a new method of thermometry that can be used near absolute zero temperatures for particles lacking cycling transitions, solving a long-standing experimental problem in atomic and molecular physics.

Author : Kon H. Leung
Publisher : Springer Nature
ISBN 13 : 3031476476
Total Pages : 173 pages
Book Rating : 4.71/5 ( download)

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Download or read book The Strontium Molecular Lattice Clock written by Kon H. Leung and published by Springer Nature. This book was released on 2023-12-28 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes how the rich internal degrees of freedom of molecules can be exploited to construct the first “clock” based on ultracold molecules, rather than atoms. By holding the molecules in an optical lattice trap, the vibrational clock is engineered to have a high oscillation quality factor, facilitating the full characterization of frequency shifts affecting the clock at the hertz level. The prototypical vibrational molecular clock is shown to have a systematic fractional uncertainty at the 14th decimal place, matching the performance of the earliest optical atomic lattice clocks. As part of this effort, deeply bound strontium dimers are coherently created, and ultracold collisions of these Van der Waals molecules are studied for the first time, revealing inelastic losses at the universal rate. The thesis reports one of the most accurate measurements of a molecule’s vibrational transition frequency to date. The molecular clock lays the groundwork for explorations into terahertz metrology, quantum chemistry, and fundamental interactions at atomic length scales.

Author : Maciej Lewenstein
Publisher : OUP Oxford
ISBN 13 : 0191627437
Total Pages : 494 pages
Book Rating : 4.39/5 ( download)

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Download or read book Ultracold Atoms in Optical Lattices written by Maciej Lewenstein and published by OUP Oxford. This book was released on 2012-03-08 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum computers, though not yet available on the market, will revolutionize the future of information processing. Quantum computers for special purposes like quantum simulators are already within reach. The physics of ultracold atoms, ions and molecules offer unprecedented possibilities of control of quantum many body systems and novel possibilities of applications to quantum information processing and quantum metrology. Particularly fascinating is the possibility of using ultracold atoms in lattices to simulate condensed matter or even high energy physics. This book provides a complete and comprehensive overview of ultracold lattice gases as quantum simulators. It opens up an interdisciplinary field involving atomic, molecular and optical physics, quantum optics, quantum information, condensed matter and high energy physics. The book includes some introductory chapters on basic concepts and methods, and then focuses on the physics of spinor, dipolar, disordered, and frustrated lattice gases. It reviews in detail the physics of artificial lattice gauge fields with ultracold gases. The last part of the book covers simulators of quantum computers. After a brief course in quantum information theory, the implementations of quantum computation with ultracold gases are discussed, as well as our current understanding of condensed matter from a quantum information perspective.

Author : Alexander Guttridge
Publisher : Springer
ISBN 13 : 3030212017
Total Pages : 196 pages
Book Rating : 4.18/5 ( download)

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Download or read book Photoassociation of Ultracold CsYb Molecules and Determination of Interspecies Scattering Lengths written by Alexander Guttridge and published by Springer. This book was released on 2019-06-01 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis lays the groundwork for producing a new class of ultracold molecule by associating an alkali-metal atom and a closed-shell alkaline-earth-like atom, specifically Cs and Yb. Such molecules exhibit both a magnetic dipole moment and an electric dipole moment in their ground state. This extra degree of freedom opens up new avenues of research including the study of exotic states of matter, the shielding of molecular collisions and the simulation of lattice spin models. In detail, the thesis reports the first and only ultracold mixture of Cs and Yb in the world, giving details of the methods used to cool such contrasting atomic species together. Using sensitive two-colour photoassociation measurements to measure the binding energies of the near-threshold CsYb molecular levels in the electronic ground state has allowed the previously unknown scattering lengths to be accurately determined for all the Cs–Yb isotopic combinations. As part of this work, the one-photon photoassociation of ultracold Cs*Yb is also studied, yielding useful information on the excited-state potential. Knowledge of the scattering lengths enables a strategy to be devised to cool both species to quantum degeneracy and, crucially, determines the positions of interspecies Feshbach resonances required for efficient association of ground-state CsYb molecules. With these results, the prospect of bringing a new molecule into the ultracold regime has become considerably closer.

Author : Michael L. Wall
Publisher :
ISBN 13 : 9783319142531
Total Pages : pages
Book Rating : 4.34/5 ( download)

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Download or read book Quantum Many-Body Physics of Ultracold Molecules in Optical Lattices written by Michael L. Wall and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates ultracold molecules as a resource for novel quantum many-body physics, in particular by utilizing their rich internal structure and strong, long-range dipole-dipole interactions. In addition, numerical methods based on matrix product states are analyzed in detail, and general algorithms for investigating the static and dynamic properties of essentially arbitrary one-dimensional quantum many-body systems are put forth. Finally, this thesis covers open-source implementations of matrix product state algorithms, as well as educational material designed to aid in the use of understanding such methods.

Author : Michael L. Wall
Publisher : Springer
ISBN 13 : 9783319363417
Total Pages : 0 pages
Book Rating : 4.17/5 ( download)

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Download or read book Quantum Many-Body Physics of Ultracold Molecules in Optical Lattices written by Michael L. Wall and published by Springer. This book was released on 2016-10-09 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates ultracold molecules as a resource for novel quantum many-body physics, in particular by utilizing their rich internal structure and strong, long-range dipole-dipole interactions. In addition, numerical methods based on matrix product states are analyzed in detail, and general algorithms for investigating the static and dynamic properties of essentially arbitrary one-dimensional quantum many-body systems are put forth. Finally, this thesis covers open-source implementations of matrix product state algorithms, as well as educational material designed to aid in the use of understanding such methods.

Author : Selim Jochim
Publisher :
ISBN 13 : 9783816766988
Total Pages : 177 pages
Book Rating : 4.86/5 ( download)

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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:

Author : S.G. Karshenboim
Publisher : Springer
ISBN 13 : 3540453954
Total Pages : 778 pages
Book Rating : 4.56/5 ( download)

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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.

Author : M. N. R. Ashfold
Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.94/5 ( download)

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Download or read book Bimolecular Collisions written by M. N. R. Ashfold and published by . This book was released on 1989 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designed to provide an authoritative and timely review of advances in the field of gas-phase photochemistry and kinetics, this volume contains a collection of papers on biomolecular collisions. Contributors discuss collision processes, reactive processes and association reactions.

Author : Laurent Nottale
Publisher : World Scientific
ISBN 13 : 9789810208783
Total Pages : 358 pages
Book Rating : 4.82/5 ( download)

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Download or read book Fractal Space-time and Microphysics written by Laurent Nottale and published by World Scientific. This book was released on 1993 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first detailed account of a new approach to microphysics based on two leading ideas: (i) the explicit dependence of physical laws on scale encountered in quantum physics, is the manifestation of a fundamental principle of nature, scale relativity. This generalizes Einstein's principle of (motion) relativity to scale transformations; (ii) the mathematical achievement of this principle needs the introduction of a nondifferentiable space-time varying with resolution, i.e. characterized by its fractal properties.The author discusses in detail reactualization of the principle of relativity and its application to scale transformations, physical laws which are explicitly scale dependent, and fractals as a new geometric description of space-time.