Описание: Presents fundamental theories and simulations of the spatio-temporal dynamics and quantum fluctuations in semiconductor lasers. The dynamic interplay of light and matter is theoretically described by taking into account microscopic carrier dynamics, spatially dependent light-field propagation and the influence of spontaneous emission and noise.
Описание: This thesis focuses on experimental studies on collective motion using swimming bacteria as model active-matter systems.
Автор: Coffey William T, Kalmykov Yuri P, Titov Sergei V Название: Thermal Fluctuations And Relaxation Processes In Nanomagnets ISBN: 9811217270 ISBN-13(EAN): 9789811217272 Издательство: World Scientific Publishing Рейтинг: Цена: 27720.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Presenting in a coherent and accessible fashion current results in nanomagnetism, this book constitutes a comprehensive, rigorous and readable account, from first principles of the classical and quantum theories underlying the dynamics of magnetic nanoparticles subject to thermal fluctuations.Starting with the Larmor-like equation for a giant spin, both the stochastic (Langevin) equation of motion of the magnetization and the associated evolution (Fokker-Planck) equation for the distribution function of the magnetization orientations of ferromagnetic nanoparticles (classical spins) in a heat bath are developed along with their solution (using angular momentum theory) for arbitrary magnetocrystalline-Zeeman energy. Thus, observables such as the magnetization reversal time, relaxation functions, dynamic susceptibilities, etc. are calculated and compared with the predictions of classical escape rate theory including in the most general case spin-torque-transfer. Regarding quantum effects, which are based on the reduced spin density matrix evolution equation in Hilbert space as is described at length, they are comprehensively treated via the Wigner-Stratonovich formulation of the quantum mechanics of spins via their orientational quasi-probability distributions on a classically meaningful representation space. Here, as suggested by the relevant Weyl symbols, the latter is the configuration space of the polar angles. Hence, one is led, by mapping the reduced density matrix equation onto that space, to a master equation for the quasi-probability evolution akin to the Fokker-Planck equation which may be solved in a similar way. Thus, one may study in a classical-like manner the evolution of observables with spin number ranging from an elementary spin to molecular clusters to the classical limit, viz. a nanoparticle. The entire discussion hinges on the one-to-one correspondence between polarization operators in Hilbert space and the spherical harmonics allied to concepts of spin coherent states long familiar in quantum optics.Catering for the reader with only a passing knowledge of statistical and quantum mechanics, the book serves as an introductory text on a complicated subject where the literature is remarkably sparse.
Описание: lhe subject of Valence Fluctuations has kept itself alive ard active as it has provided many shocks ard suprises particularly among the Ce- ard U-based intermetallies.
Автор: George Reiter; Peter Horsch; Gregory C. Psaltakis Название: Dynamics of Magnetic Fluctuations in High-Temperature Superconductors ISBN: 1468474928 ISBN-13(EAN): 9781468474923 Издательство: Springer Рейтинг: Цена: 6986.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Proceedings of a NATO ARW held in Aghia Pelagia, Crete, October 9--14, 1989
Автор: Chen Goong, Huang Yu Название: Chaotic Maps: Dynamics, Fractals, and Rapid Fluctuations ISBN: 159829914X ISBN-13(EAN): 9781598299144 Издательство: Mare Nostrum (Eurospan) Рейтинг: Цена: 7524.00 р. Наличие на складе: Нет в наличии.
Автор: T. Riste; David Sherrington Название: Physics of Biomaterials: Fluctuations, Selfassembly and Evolution ISBN: 940107271X ISBN-13(EAN): 9789401072717 Издательство: Springer Рейтинг: Цена: 30606.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Proceedings of the NATO Advanced Study Institute, Geilo, Norway, March 27-April 6, 1995
Автор: T. Riste; David Sherrington Название: Physics of Biomaterials: Fluctuations, Selfassembly and Evolution ISBN: 0792341317 ISBN-13(EAN): 9780792341314 Издательство: Springer Рейтинг: Цена: 38433.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Addresses both the structure and motion of biological materials and the increasingly complex behaviour that arises out of interactions in large systems, giving rise to self organization, adaptation, selection and evolution: concepts of interest not only to biology and living systems but also within condensed matter physics.
Автор: Yuli M. Ivanchenko; Alexander A. Lisyansky Название: Physics of Critical Fluctuations ISBN: 1461286956 ISBN-13(EAN): 9781461286950 Издательство: Springer Рейтинг: Цена: 6986.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Автор: Yuli M. Ivanchenko; Alexander A. Lisyansky Название: Physics of Critical Fluctuations ISBN: 0387944141 ISBN-13(EAN): 9780387944142 Издательство: Springer Рейтинг: Цена: 11101.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This systematic exposition of the contemporary theory of phase transitions includes detailed discussions of phenomena in Heisenberg magnets, granular superconducting alloys, anisotropic systems of dipoles and liquid-vapour transitions.
Описание: This book explores critical phenomena in highly correlated quantum matter. Specifically, quantum antiferromagnets, magnon Bose condensates, and systems exhibiting deconfined quantum criticality are considered. The book’s main achievement is the incorporation of both quantum and statistical fluctuations into a quantum field theoretic treatment of critical phenomena. This yields significant new insights into an abundance of problems, positions them in a much more general context, and offers an unprecedented power to analyze experimental and numerical data and predict new effects. Further, a major result and overarching theme is the exploration of the scale-dependent coupling constant – an effect known in quantum chromodynamics as “asymptotic freedom.” The book provides the first analysis to reveal asymptotic freedom in the quantum magnetism context, and discusses many other manifestations. Another significant result concerns the development of a consistent theoretical framework that resolves a long-standing inconsistency in the theory of Bose condensation. Using the approach developed here, two new universality classes are subsequently identified. A final major result addresses the exotic scenario of deconfined quantum criticality. Within this framework, the book predicts the Bose condensation of particles with half-integer spin – the first- ever made in this regard. In closing, a smoking gun criterion to test for this exotic condensate is established.
Автор: Luis Garrido Название: Fluctuations and Stochastic Phenomena in Condensed Matter ISBN: 3662136252 ISBN-13(EAN): 9783662136256 Издательство: Springer Рейтинг: Цена: 15672.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
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