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Fundamentals of Quantum Optics and Quantum Information

Posted By: AvaxGenius
Fundamentals of Quantum Optics and Quantum Information

Fundamentals of Quantum Optics and Quantum Information by Peter Lambropoulos , David Petrosyan
English | PDF (True) | 2007 | 326 Pages | ISBN : 354034571X | 2.7 MB

Another book on Quantum Optics? or Quantum Information? Well, not - actly. A more descriptive title might be: “A guided tour through basic qu- tum mechanics, quantum optics and quantum information”. Even better, a few words on its origin and our motivation for undertaking the task might be useful to the potential reader in deciding whether to turn the pages beyond this preface. For more than ten years now, a graduate course on quantum optics has been taught in the physics department of the University of Crete. Spanning two semesters, it originally consisted of a collection of topics representative of what can be found in the numerous by now excellent books on quantum optics. Over the last four years or so,however, the course acquired a gradually increasing segment of what is broadly referred to as quantum information, whichatthispointisapproximatelyhalfofthematerial.Inevitably,thetopics on standard quantum optics had to be reduced or compressed accordingly.

Probing Correlated Quantum Many-Body Systems at the Single-Particle Level (Repost)

Posted By: AvaxGenius
Probing Correlated Quantum Many-Body Systems at the Single-Particle Level (Repost)

Probing Correlated Quantum Many-Body Systems at the Single-Particle Level by Manuel Endres
English | PDF | 2014 | 176 Pages | ISBN : 3319057529 | 4.8 MB

How much knowledge can we gain about a physical system and to what degree can we control it? In quantum optical systems, such as ion traps or neutral atoms in cavities, single particles and their correlations can now be probed in a way that is fundamentally limited only by the laws of quantum mechanics. In contrast, quantum many-body systems pose entirely new challenges due to the enormous number of microscopic parameters and their small length- and short time-scales.

Renormalization Group and Effective Field Theory Approaches to Many-Body Systems

Posted By: AvaxGenius
Renormalization Group and Effective Field Theory Approaches to Many-Body Systems

Renormalization Group and Effective Field Theory Approaches to Many-Body Systems by Achim Schwenk, Janos Polonyi
English | PDF | 2012 | 356 Pages | ISBN : 364227319X | 9.4 MB

There have been many recent and important developments based on effective field theory and the renormalization group in atomic, condensed matter, nuclear and high-energy physics. These powerful and versatile methods provide novel approaches to study complex and strongly interacting many-body systems in a controlled manner.

Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates

Posted By: AvaxGenius
Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates

Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates by Christan Groß
English | PDF | 2012 | 123 Pages | ISBN : 3642256368 | 4.1 MB

Interferometry, the most precise measurement technique known today, exploits the wave-like nature of the atoms or photons in the interferometer. As expected from the laws of quantum mechanics, the granular, particle-like features of the individually independent atoms or photons are responsible for the precision limit, the shot noise limit. However this “classical” bound is not fundamental and it is the aim of quantum metrology to overcome it by employing entanglement among the particles. This work reports on the realization of spin-squeezed states suitable for atom interferometry. Spin squeezing was generated on the basis of motional and spin degrees of freedom, whereby the latter allowed the implementation of a full interferometer with quantum-enhanced precision.

Correlations in Low-Dimensional Quantum Gases (Repost)

Posted By: AvaxGenius
Correlations in Low-Dimensional Quantum Gases (Repost)

Correlations in Low-Dimensional Quantum Gases by Guillaume Lang
English | EPUB | 2018 | 193 Pages | ISBN : 3030052842 | 12.5 MB

The book addresses several aspects of thermodynamics and correlations in the strongly-interacting regime of one-dimensional bosons, a topic at the forefront of current theoretical and experimental studies. Strongly correlated systems of one-dimensional bosons have a long history of theoretical study. Their experimental realisation in ultracold atom experiments is the subject of current research, which took off in the early 2000s. Yet these experiments raise new theoretical questions, just begging to be answered.