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Probes of Yukawa Unification in Supersymmetric SO(10) Models
ISBN: 9783838113074 / Angielski / Miękka / 112 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Grand Unification in particle physics is appealing for merging three of the four elementary forces into one at very high energies. Besides the corresponding unification of gauge couplings, Grand Unified Theories predict unified Yukawa couplings of quarks and leptons to a Higgs boson. Yukawa unification has been tested by measuring the fermion masses at today's particle colliders and found to hold for heavy, but to fail for light fermions. This work is a study of corrections to Yukawa unification from higher-dimensional operators in a supersymmetric model with SO(10) gauge symmetry. Due to the...
Grand Unification in particle physics is appealing for merging three of the four elementary forces into one at very high energies. Besides the corresp...
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240,53 |
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Strongly Correlated Quantum Physics with Cold Atoms
ISBN: 9783838113111 / Angielski / Miękka / 116 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this book we discuss how to exploit strong correlations among ultracold atoms in order to create novel, exotic quantum states. In the first two chapters, we devise dynamical out-of-equilibrium preparation schemes which lead to intriguing final states. Most importantly, we propose to create the elusive supersolid state via a quantum quench protocol. Supersolids - quantum hybrids exhibiting both superflow and solidity - have been envisioned long ago, but have not been demonstrated in experiment so far. Our proposal to create a supersolid state is perfectly accessible with current technology...
In this book we discuss how to exploit strong correlations among ultracold atoms in order to create novel, exotic quantum states. In the first two ch...
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240,53 |
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Organic Donor-Acceptor Thin Film Systems
ISBN: 9783838113685 / Angielski / Miękka / 148 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this work the preparation of organic donor- acceptor thin films via physical vapor deposition is studied in theory and experiment. A chamber for organic molecular beam deposition was designed and integrated into an existing deposition system. Additionally, a load-lock, a chamber to prepare metallic contacts via stencil mask technique and a sputtering chamber were built. For the sublimation of organic compounds several effusion cells were constructed and the evaporation characteristics were compared to a simulation. The developed simulation program calculates the respective...
In this work the preparation of organic donor- acceptor thin films via physical vapor deposition is studied in theory and experiment. A chamber for ...
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cena:
311,93 |
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Mathematical Description of Differential Hebbian Plasticity
ISBN: 9783838113722 / Angielski / Miękka / 156 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The human brain consists of more than a billion nerve cells, the neurons, each having several thousand connections, the synapses. These connections are not fixed but change all the time. In order to describe synaptic plasticity, different mathematical rules have been proposed most of which follow Hebbs postulate. Donald Hebb suggested in 1949 that synapses change if pre-synaptic activity, i.e. the activity of a synapse that converges to the neuron, and post-synaptic activity, i.e. activity of the neuron itself, correlate with each other. A general descriptive framework, however, is yet...
The human brain consists of more than a billion nerve cells, the neurons, each having several thousand connections, the synapses. These connections ar...
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cena:
311,93 |
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Artificially Structured Strongly Correlated Electron Systems
ISBN: 9783838114941 / Angielski / Miękka / 156 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The amazing experimental progress in fabrication processes of layered structures has led to a fascinating new research field: artificial structures of complex materials with strongly correlated electron systems. There is a bright perspective for intriguing new physics with potential for applications. This new field is still in its infancy and many fundamental as well as more applied questions have to be investigated. The book on hand tries to find answers to some of them.
The amazing experimental progress in fabrication processes of layered structures has led to a fascinating new research field: artificial structures of...
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cena:
311,93 |
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Protein Structure Prediction and Folding Dynamics
ISBN: 9783838115207 / Angielski / Miękka / 108 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Proteins carry out a variety of vital functions in every living organism, ranging from enzyme proteins regulating biochemical reactions to motor proteins causing the contraction and movement of muscles. The three-dimensional shape of proteins is crucial for their biological function. This book investigates the protein folding problem from two different angles. The first is the question how a protein's amino acid sequence determines its structure, the second aspect is the physical process of protin folding. Both questions are addressed using so-called structural profiles as one-dimensional...
Proteins carry out a variety of vital functions in every living organism, ranging from enzyme proteins regulating biochemical reactions to motor prote...
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cena:
240,53 |
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An Anisotropic Model for Galactic Cosmic Ray Transport
ISBN: 9783838115290 / Angielski / Miękka / 244 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The origin of cosmic rays has been intriguing scientists since 1912 when Victor Hess carried out his famous balloon flight to measure the ionization rate in the upper atmosphere. Since then cosmic ray physics brings together physicists from a variety of different fields such as astrophysics, cosmology and particle physics. The increasing amount of available data has enabled us to successfully describe the transport of Galactic cosmic rays in a simple isotropic diffusion picture. However, recent data from the ROSAT satellite indicate that the Milky Way launches significant Galactic winds. Such...
The origin of cosmic rays has been intriguing scientists since 1912 when Victor Hess carried out his famous balloon flight to measure the ionization r...
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cena:
401,18 |
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Charged Colloids as Model Systems for Metals
ISBN: 9783838115535 / Angielski / Miękka / 120 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Due to their mesoscopic length scales, colloidal suspensions are ideal model systems to address fundamental issues in condensed matter physics such as liquid ordering, nucleation and crystallization. Colloidal particles are several orders of magnitude larger than atoms in metals and their relaxation behavior is very sluggish compared to atomic systems. Due to the possibility of tunable interaction, systematic investigations of nucleation and the short-range order in a charged colloidal silica system far from equilibrium state are discussed in the present work. The results of these...
Due to their mesoscopic length scales, colloidal suspensions are ideal model systems to address fundamental issues in condensed matter physics such as...
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cena:
240,53 |
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Magnetization Dynamics in Spin Valves
ISBN: 9783838115733 / Angielski / Miękka / 112 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Key technology applications like magnetoresistive sensors or the Magnetic Random Access Memory (MRAM) require reproducible magnetic switching mechanisms. i.e. predefined remanent states. At the same time advanced magnetic recording schemes push the magnetic switching time into the gyromagnetic regime. Objects of study in this study are antiparallel pinned synthetic spin valves as they are extensively used as read heads in today's magnetic storage devices. Results are reported of element specific Time Resolved Photo Emission Electron Microscopy (TR PEEM) to image the magnetization dynamics of...
Key technology applications like magnetoresistive sensors or the Magnetic Random Access Memory (MRAM) require reproducible magnetic switching mechanis...
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cena:
240,53 |
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CRESST-II Dark Matter Experiment
ISBN: 9783838116204 / Angielski / Miękka / 172 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. One of the most important open questions in modern physics is the riddle of the nature of Dark Matter. Observations, e.g. galactic rotation curves, show that about a quarter of the mass in the universe is in form of Dark Matter. These, up to now only indirect, observations are the main motivation for direct Dark Matter search experiments as CRESST-II, which aim to identify the nature of Dark Matter. CRESST-II is searching directly for Dark Matter in the form of hypothetical WIMPs. Within the framework of this work the functional principles of the CRESST-II detector modules are analyzed and...
One of the most important open questions in modern physics is the riddle of the nature of Dark Matter. Observations, e.g. galactic rotation curves, sh...
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cena:
356,56 |
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Dilute Magnetic Semiconductors Based on Gan and Zno
ISBN: 9783838117171 / Angielski / Miękka / 228 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The two wide band gap dilute magnetic semiconductors (DMS) Gd: GaN and Co: ZnO are among the most favored materials for spintronic applications. Despite intense research efforts during the last years, the origin of the magnetic order is still under debate. This work reports structural and magnetic investigations on these DMS materials employing several complementary techniques. The X-ray linear dichroism (XLD) has been used to gain element-specific insight into the local structure of dopants and cations. X-ray diffraction (XRD) has resulted in information about the global structural...
The two wide band gap dilute magnetic semiconductors (DMS) Gd: GaN and Co: ZnO are among the most favored materials for spintronic applications. Despi...
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cena:
401,18 |
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Large Eddy Simulation of Particle-Laden Flow
ISBN: 9783838117201 / Angielski / Miękka / 196 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This thesis is a contribution to research in the field of Large Eddy Simulation (LES) of particle-laden flow with a focus on the effect of unresolved small scale turbulence on suspended particles. The first substantial contribution of this thesis is a detailed quantification of small scale effects in homogeneous isotropic turbulence. The second contribution of this thesis is an analytical and numerical analysis of three commonly used models that describe the effect of subgrid scales on particles: the Approximate Deconvolution Method (ADM) and two stochastic models. The third contribution is a...
This thesis is a contribution to research in the field of Large Eddy Simulation (LES) of particle-laden flow with a focus on the effect of unresolved ...
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cena:
356,56 |
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Radiative Aspects in Coupled Nuclear Fusion-Fission Processes
ISBN: 9783838117461 / Angielski / Miękka / 132 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The process of fusion boosted fission goes along with a large amount of important physical processes. Beside implosion and expansion activities under influence of fission and fusion processes, the effect of heat radiation becomes important at high temperatures. Theoretically, such systems are described by hydrodynamical equations. The interaction of matter, neutrons and radiation is determined by the neutron and radiation transport equation. Additionally, adequate models for the fusion process and the equation of states are needed. By the help of the program system STEALTH-MCNP the influence...
The process of fusion boosted fission goes along with a large amount of important physical processes. Beside implosion and expansion activities under ...
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cena:
311,93 |
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Neutrinos from Starburst-Galaxies
ISBN: 9783838117621 / Angielski / Miękka / 160 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This dissertation was written at the TU Dortmund under supervision of Prof. Dr. Dr. W. Rhode. It deals with neutrinos from Starburst-Galaxies, a type of galaxy which features strong star formation. The first chapter is an introduction, the second outlines the status of astroparticle physics and introduces the neutrino in the context of astroparticle physics. The following chapter presents the Starburst-Galaxies as possible neutrino sources and presents a local source catalog. Chapter four introduces the IceCube detector with which data a search for neutrinos from Starburst-Galaxies was...
This dissertation was written at the TU Dortmund under supervision of Prof. Dr. Dr. W. Rhode. It deals with neutrinos from Starburst-Galaxies, a type ...
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cena:
311,93 |
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Atomic Terraces, Nanostructures and Fractals on Silicon
ISBN: 9783838117768 / Angielski / Miękka / 196 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
356,56 |
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The early universe
ISBN: 9783838117850 / Angielski / Miękka / 244 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The present-day universe formed out of an initially hot, dense, rapidly expanding plasma, which cooled during the expansion to become a neutral gas. Under the influence of gravity, small initial fluctuations in the density grew over time until the first sources of light formed within the neutral gas, starting to reionize the universe. These "dark ages of the universe" are explored in this book, and the current uncertainties concerning the physics governing this epoch are discussed. Particular focus is on the potential role of primordial magnetic fields, which may have been created during...
The present-day universe formed out of an initially hot, dense, rapidly expanding plasma, which cooled during the expansion to become a neutral gas. U...
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cena:
401,18 |
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Entanglement Distribution in Quantum Networks
ISBN: 9783838118055 / Angielski / Miękka / 120 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This work contributes to the theory of entanglement distribution in quantum networks in general, analyzing the generation of long-distance entanglement in particular. It is considered that neighboring stations share one partially entangled pair of qubits, which emphasizes the difficulty of creating remote entanglement in realistic settings. The task is then to design local quantum operations at the stations such that the entanglement present in the links of the whole network gets concentrated between few parties only, regardless of their spatial arrangement. Pure-state and mixed-state quantum...
This work contributes to the theory of entanglement distribution in quantum networks in general, analyzing the generation of long-distance entanglemen...
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cena:
240,53 |
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Attosecond Strong Field Control
ISBN: 9783838118512 / Angielski / Miękka / 156 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. High-order harmonics are a unique tool to investigate dynamics in atomic and molecular systems as they allow the generation of pulses with attosecond duration. In this thesis, high-order harmonics are investigated experimentally in temporal and spectral domain. In spectral domain, an interference structure between the two shortest electron quantum paths of the generation process is observed. These interferences are investigated with laser intensities below, around and above the intensity of barrier suppression. To enable attosecond time-resolved measurements, a versatile beamline is...
High-order harmonics are a unique tool to investigate dynamics in atomic and molecular systems as they allow the generation of pulses with attosecond ...
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cena:
311,93 |
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Contributions Th�oriques � l'�tude Des Polym�res Aux Interfaces
ISBN: 9786131512148 / Francuski / Miękka / 256 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Cette thA]se s'inscrit dans le cadre gA(c)nA(c)ral de l'A(c)tude des propriA(c)tA(c)s statistiques de chaA(R)nes polymA]res aux interfaces. Il s'agit d'un travail thA(c)orique qui a pour but de relier les propriA(c)tA(c)s macroscopiques de l'interface A l'organisation microscopique des chaA(R)nes. La couche de polymA]res est dA(c)crite en termes de boucles et de queues formA(c)es par les polymA]res adsorbA(c)s. Cette thA(c)orie est appliquA(c)e au problA]me de la tension de surface de liquides polymA]res. La comparaison de ces rA(c)sultats thA(c)oriques avec des mesures expA(c)rimentales de...
Cette thA]se s'inscrit dans le cadre gA(c)nA(c)ral de l'A(c)tude des propriA(c)tA(c)s statistiques de chaA(R)nes polymA]res aux interfaces. Il s'agit ...
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cena:
352,54 |
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Reconstruction d''�tats Non-Classiques Du Champ
ISBN: 9786131512223 / Francuski / Miękka / 216 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Le travail prA(c)sentA(c) dans cet ouvrage a pour objectif d''explorer les propriA(c)tA(c)s quantiques de diffA(c)rents champs piA(c)gA(c)s. Le dispositif expA(c)rimental consiste en une cavitA(c) supraconductrice de grande finesse permettant de stocker le champ micro-onde pour plus d''un dixiA]me de seconde. Des atomes de Rubidium excitA(c)s dans les A(c)tats de Rydberg circulaires interagissent un A un avec le mode de la cavitA(c), rA(c)alisant une mesure non-destructive du nombre de photons piA(c)gA(c)s. En combinant cette mesure A une technique d''homodynage, la matrice densitA(c) du...
Le travail prA(c)sentA(c) dans cet ouvrage a pour objectif d''explorer les propriA(c)tA(c)s quantiques de diffA(c)rents champs piA(c)gA(c)s. Le dispos...
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cena:
307,91 |
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