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| Author | : Hui Yan |
| Publisher | : Frontiers Media SA |
| Total Pages | : 93 |
| Release | : 2022-10-21 |
| Genre | : Science |
| ISBN | : 2832503160 |
| Author | : J M P Carmelo |
| Publisher | : World Scientific |
| Total Pages | : 612 |
| Release | : 2007-07-12 |
| Genre | : Technology & Engineering |
| ISBN | : 9814475831 |
This volume presents a collection of review papers on recent work in the connected areas of strongly correlated systems, the effects of coherence on macroscopic systems, and entanglement in quantum systems. These areas have attracted considerable interest due to their complexity and associated unexpected nontrivial phenomena, and also due to their potential applications in various fields, from materials science to information technology. The coverage includes strongly correlated electronic systems such as low-dimensional complex materials, ordered and disordered spin systems, and aspects of the physics of manganites and graphene, both in equilibrium and far from equilibrium.
| Author | : Farid Shahandeh |
| Publisher | : Springer |
| Total Pages | : 166 |
| Release | : 2019-08-02 |
| Genre | : Science |
| ISBN | : 3030241203 |
The correlations between physical systems provide significant information about their collective behaviour – information that is used as a resource in many applications, e.g. communication protocols. However, when it comes to the exploitation of such correlations in the quantum world, identification of the associated ‘resource’ is extremely challenging and a matter of debate in the quantum community. This dissertation describes three key results on the identification, detection, and quantification of quantum correlations. It starts with an extensive and accessible introduction to the mathematical and physical grounds for the various definitions of quantum correlations. It subsequently focusses on introducing a novel unified picture of quantum correlations by taking a modern resource-theoretic position. The results show that this novel concept plays a crucial role in the performance of collaborative quantum computations that is not captured by the standard textbook approaches. Further, this new perspective provides a deeper understanding of the quantum-classical boundary and paves the way towards establishing a resource theory of quantum computations.
| Author | : Zbigniew Ficek |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 427 |
| Release | : 2005 |
| Genre | : Science |
| ISBN | : 0387229655 |
This book brings together and discusses for the first time detailed analyses of the experiments with trapped ions, experiments on quantum beats, coherent population trapping, electromagnetically induced transparency (EIT), electromagnetically induced absorption, creation of dark-states polaritons, subluminal and superluminal light, realization of a Fock state, and interference experiments in atom optics on atom grating, momentum distribution, and atom tunneling. This book is unique in many respects and will fill a gap in the literature.
| Author | : Shuang Cong |
| Publisher | : John Wiley & Sons |
| Total Pages | : 430 |
| Release | : 2014-02-27 |
| Genre | : Technology & Engineering |
| ISBN | : 1118608151 |
Advanced research reference examining the closed and open quantum systems Control of Quantum Systems: Theory and Methods provides an insight into the modern approaches to control of quantum systems evolution, with a focus on both closed and open (dissipative) quantum systems. The topic is timely covering the newest research in the field, and presents and summarizes practical methods and addresses the more theoretical aspects of control, which are of high current interest, but which are not covered at this level in other text books. The quantum control theory and methods written in the book are the results of combination of macro-control theory and microscopic quantum system features. As the development of the nanotechnology progresses, the quantum control theory and methods proposed today are expected to be useful in real quantum systems within five years. The progress of the quantum control theory and methods will promote the progress and development of quantum information, quantum computing, and quantum communication. Equips readers with the potential theories and advanced methods to solve existing problems in quantum optics/information/computing, mesoscopic systems, spin systems, superconducting devices, nano-mechanical devices, precision metrology. Ideal for researchers, academics and engineers in quantum engineering, quantum computing, quantum information, quantum communication, quantum physics, and quantum chemistry, whose research interests are quantum systems control.
| Author | : Erika Andersson |
| Publisher | : Springer |
| Total Pages | : 290 |
| Release | : 2014-07-08 |
| Genre | : Computers |
| ISBN | : 3319040634 |
This book offers an introduction to ten key topics in quantum information science and quantum coherent phenomena, aimed at graduate-student level. The chapters cover some of the most recent developments in this dynamic research field where theoretical and experimental physics, combined with computer science, provide a fascinating arena for groundbreaking new concepts in information processing. The book addresses both the theoretical and experimental aspects of the subject, and clearly demonstrates how progress in experimental techniques has stimulated a great deal of theoretical effort and vice versa. Experiments are shifting from simply preparing and measuring quantum states to controlling and manipulating them, and the book outlines how the first real applications, notably quantum key distribution for secure communication, are starting to emerge. The chapters cover quantum retrodiction, ultracold quantum gases in optical lattices, optomechanics, quantum algorithms, quantum key distribution, quantum control based on measurement, orbital angular momentum of light, entanglement theory, trapped ions and quantum metrology, and open quantum systems subject to decoherence. The contributing authors have been chosen not just on the basis of their scientific expertise, but also because of their ability to offer pedagogical and well-written contributions which will be of interest to students and established researchers.
| Author | : Felipe Fernandes Fanchini |
| Publisher | : Springer |
| Total Pages | : 534 |
| Release | : 2017-06-24 |
| Genre | : Science |
| ISBN | : 3319534122 |
This book presents a distinctive way of understanding quantum correlations beyond entanglement, introducing readers to this less explored yet very fundamental aspect of quantum theory. It takes into account most of the new ideas involving quantum phenomena, resources, and applications without entanglement, both from a theoretical and an experimental point of view. This book serves as a reference for both beginner students and experienced researchers in physics and applied mathematics, with an interest in joining this novel venture towards understanding the quantum nature of the world.
| Author | : Eric Brunner |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2023 |
| Genre | : |
| ISBN | : |
Abstract: Disentangling the sources of complexity in the dynamics of quantum many-body systems, and identifying those which are of genuinely quantum character, is both of fundamental interest and important for potential applications. Interference, which is rooted in the coherence of the many-body quantum state, and particle-particle interactions are two main ingredients for complex behaviour. In this dissertation, we develop a theory of many-body coherence, based on specific quantum correlations of the system's state, and study its intimate links to the state's entanglement structure. We identify the robust statistical signatures of such many-body quantum correlations in experimentally accessible - and scalable - marginal measurement distributions of the dynamically evolved quantum state. To do so, we apply the framework of partial distinguishability, i.e. a continuous notion of particle (in)distinguishability inscribed into unobserved degrees of freedom of the particles. This framework provides additional control parameters to systematically manipulate many-body coherence and entanglement properties, and to monitor their joint imprint in the dynamics, which manifests in an intricate superposition of interference processes at various orders. Applying both, analytical methods and data-driven algorithmic approaches, we resolve a given state's many-body coherence structure, quantify the partial distinguishability of its constituent particles, and characterise the system's multipartite entanglement properties. This toolbox ultimately enables us to disentangle the individual fingerprints of many-body interference and interactions, in a prototypical system of interacting quantum particles, in particular at the transition between regular and quantum chaotic dynamics
| Author | : Thierry Giamarchi |
| Publisher | : Oxford University Press |
| Total Pages | : 607 |
| Release | : 2016-11-17 |
| Genre | : Science |
| ISBN | : 0191080535 |
Over the last decade new experimental tools and theoretical concepts are providing new insights into collective nonequilibrium behavior of quantum systems. The exquisite control provided by laser trapping and cooling techniques allows us to observe the behavior of condensed bose and degenerate Fermi gases under nonequilibrium drive or after `quenches' in which a Hamiltonian parameter is suddenly or slowly changed. On the solid state front, high intensity short-time pulses and fast (femtosecond) probes allow solids to be put into highly excited states and probed before relaxation and dissipation occur. Experimental developments are matched by progress in theoretical techniques ranging from exact solutions of strongly interacting nonequilibrium models to new approaches to nonequilibrium numerics. The summer school `Strongly interacting quantum systems out of equilibrium' held at the Les Houches School of Physics as its XCIX session was designed to summarize this progress, lay out the open questions and define directions for future work. This books collects the lecture notes of the main courses given in this summer school.
| Author | : B. Kramer |
| Publisher | : Springer |
| Total Pages | : 634 |
| Release | : 2013-12-29 |
| Genre | : Science |
| ISBN | : 9781489937001 |
Proceedings of a NATO ASI held in Les Arcs, France, April 2--13, 1990
