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Book
Elementary modes of excitation in nuclei
Authors: --- --- ---
ISBN: 0444851534 Year: 1977 Publisher: Amsterdam North-Holland


Book
Nuclear structure from a simple perspective
Author:
ISBN: 1280439777 9786610439775 1423736109 0195364414 1601296371 9781423736103 9781601296375 9781280439773 0195045998 661043977X 9780195364415 Year: 1990 Publisher: Oxford Oxford university press

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Abstract

The study of the low energy collective and single particle excitations of medium and heavy nuclei has undergone a rapid development. This book aims to survey and assess this development, from both the experimental and theoretical perspectives. It is intended for graduate students in this area.


Book
Manipulating quantum structures using laser pulses
Author:
ISBN: 9780511675713 9780521763578 9781139159234 1139159232 0511675712 9781139161282 1139161288 9781139154673 1139154672 9781139157469 1139157469 9781139157469 1283342375 9781283342377 0521763576 1107224772 1139160281 9786613342379 1139155717 Year: 2011 Publisher: Cambridge ; New York : Cambridge University Press,

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"The use of laser pulses to alter the internal quantum structure of individual atoms and molecules has applications in quantum information processing, the coherent control of chemical reactions and in quantum-state engineering. This book presents the underlying theory of such quantum-state manipulation for researchers and graduate students. The book provides the equations, and approaches for their solution, which can be applied to complicated multilevel quantum systems. It also gives the background theory for application to isolated atoms or trapped ions, simple molecules and atoms embedded in solids. Particular attention is given to the ways in which quantum changes can be displayed graphically to help readers understand how quantum changes can be controlled"--


Book
Exotic nuclear excitations
Author:
ISBN: 1441980377 1441980385 Year: 2011 Publisher: New York : Springer,

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By providing the reader with a foundational background in high spin nuclear structure physics and exploring exciting current discoveries in the field, this book presents new phenomena in a clear and compelling way. The quest for achieving the highest spin states has resulted in some remarkable successes which this monograph will address in comprehensive detail. The text covers an array of pertinent subject matter, including the rotational alignment and bandcrossings, magnetic rotation, triaxial strong deformation and wobbling motion and chirality in nuclei. Dr. Pancholi offers his readers a clearly-written and up-to-date treatment of the topics covered. The prerequisites for a proper appreciation are courses in nuclear physics and nuclear models and measurement techniques of observables like gamma-ray energies, intensities, multi-fold coincidences, angular correlations or distributions, linear polarization, internal conversion coefficients, short lifetime (pico-second range) of excited states etc. and instrumentation and data analysis methods.


Book
Exotic Nuclear Excitations: The Transverse Wobbling Mode in 135 Pr
Author:
ISBN: 3319532405 3319532391 Year: 2017 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Abstract

The work presented in this thesis established the existence of wobbling at low spin and low deformation in the Z~60, N~76 nuclear region. This opens the region to further searches for wobbling and shows that wobbling is not confined to a particular quasiparticle orbital, spin or deformation. While deformed nuclei usually have axial shape, triaxial shapes have been predicted at low to moderate spins in certain regions of the nuclear chart (e.g. Z~60, N~76 and Z~46, N~66). Observation of one of the fingerprints of triaxiality, chirality and wobbling, guarantees that the nucleus is axially asymmetric. While chirality has been observed in numerous nuclei from many regions of the nuclear chart, wobbling, prior to this work, had only been observed at high spins in super deformed bands in five nuclei confined to the Z~70, N~90 region. Additionally, this dissertation establishes a new interpretation for the wobbling phenomenon. It shows for the first time that the nucleon aligns to the short axis, which explains the decrease in wobbling energies with angular momentum seen on this and all previous wobbling nuclei while still explaining the observed B(E2out)B(E2in) ratios. This is a new phenomenon, which is in contrast to the increase of the wobbling energies predicted by Bohr and Mottelson.


Book
Collisional narrowing and dynamical decoupling in a dense ensemble of cold atoms
Author:
ISBN: 3642445667 3642296041 9786613712202 364229605X 1280861584 Year: 2012 Publisher: Heidelberg : Springer,

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Abstract

Ultra-cold atomic ensembles have emerged in recent years as a powerful tool in many-body physics research, quantum information science and metrology. This thesis presents an experimental and theoretical study of the coherent properties of trapped atomic ensembles at high densities, which are essential to many of the aforementioned applications. The study focuses on how inter-particle interactions modify the ensemble coherence dynamics, and whether it is possible to extend the coherence time by means of external control. The thesis presents a theoretical model which explains the effect of elastic collision of the coherence dynamics and then reports on experiments which test this model successfully in the lab. Furthermore, the work includes the first implementation of dynamical decoupling with ultra-cold atomic ensembles. It is demonstrated experimentally that by using dynamical decoupling the coherence time can be extended 20-fold. This has a great potential to increase the usefulness of these ensembles for quantum computation.

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