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Загальна кількість знайдених документів : 9
Показані документи с 1 за 9
1.


    Zamastil, Jaroslav.
    Quantum Mechanics and Electrodynamics [Electronic resource] / Jaroslav. Zamastil, Benda, Jakub. ; . - 1st ed. 2017. - [S. l. : s. n.]. - XXVI, 464 p. 48 illus. - ISBN 9783319657806
    Зміст:
Рубрики: Quantum physics.
   Atomic structure  .

   Molecular structure .

   Physics.

   Low temperature physics.

   Low temperatures.

   Spectroscopy.

   Microscopy.

   Quantum Physics.

   Atomic/Molecular Structure and Spectra.

   Mathematical Methods in Physics.

   Low Temperature Physics.

   Spectroscopy and Microscopy.

Анотація: This book highlights the power and elegance of algebraic methods of solving problems in quantum mechanics. It shows that symmetries not only provide elegant solutions to problems that can be solved exactly, but also substantially simplify problems that must be solved approximately. Furthermore, the book provides an elementary exposition of quantum electrodynamics and its application to low-energy physics, along with a thorough analysis of the role of relativistic, magnetic, and quantum electrodynamic effects in atomic spectroscopy. Included are essential derivations made clear through detailed, transparent calculations. The book’s commitment to deriving advanced results with elementary techniques, as well as its inclusion of exercises will enamor it to advanced undergraduate and graduate students.
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Benda, Jakub.; Zamastil, Jaroslav. \.\
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2.


    d'Emilio, Emilio.
    Problems in Quantum Mechanics [Electronic resource] : with Solutions / / Emilio. d'Emilio, Picasso, Luigi E. ; . - 2nd ed. 2017. - [S. l. : s. n.]. - XI, 383 p. 100 illus. - ISBN 9783319532677
    Зміст:
Рубрики: Quantum physics.
   Atomic structure  .

   Molecular structure .

   Quantum Physics.

   Atomic/Molecular Structure and Spectra.

Анотація: This second edition of an extremely well-received book presents more than 250 nonrelativistic quantum mechanics problems of varying difficulty with the aim of providing students didactic material of proven value, allowing them to test their comprehension and mastery of each subject. The coverage is extremely broad, from themes related to the crisis of classical physics through achievements within the framework of modern atomic physics to lively debated, intriguing aspects relating to, for example, the EPR paradox, the Aharonov-Bohm effect, and quantum teleportation. Compared with the first edition, a variety of improvements have been made and additional topics of interest included, especially focusing on elementary potential scattering. The problems themselves range from standard and straightforward ones to those that are complex but can be considered essential because they address questions of outstanding importance or aspects typically overlooked in primers. The book offers students both an excellent tool for independent learning and a ready-reference guide they can return to later in their careers.
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Picasso, Luigi E.; d'Emilio, Emilio. \.\
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3.


    Morgan, Sarah Elizabeth.
    Ultrafast Quantum Effects and Vibrational Dynamics in Organic and Biological Systems [Electronic resource] / Sarah Elizabeth. Morgan ; . - 1st ed. 2017. - [S. l. : s. n.]. - XV, 110 p. 72 illus., 65 illus. in color. - ISBN 9783319633992
    Зміст:
Рубрики: Spectroscopy.
   Microscopy.

   Biophysics.

   Biological physics.

   Bioorganic chemistry.

   Energy harvesting.

   Atomic structure  .

   Molecular structure .

   Surfaces (Physics).

   Interfaces (Physical sciences).

   Thin films.

   Spectroscopy and Microscopy.

   Biological and Medical Physics, Biophysics.

   Bioorganic Chemistry.

   Energy Harvesting.

   Atomic/Molecular Structure and Spectra.

   Surface and Interface Science, Thin Films.

Анотація: This thesis focuses on theoretical analysis of the sophisticated ultrafast optical experiments that probe the crucial first few picoseconds of quantum light harvesting, making an important contribution to quantum biology, an exciting new field at the intersection of condensed matter, physical chemistry and biology. It provides new insights into the role of vibrational dynamics during singlet fission of organic pentacene thin films, and targeting the importance of vibrational dynamics in the design of nanoscale organic light harvesting devices, it also develops a new wavelet analysis technique to probe vibronic dynamics in time-resolved nonlinear optical experiments. Lastly, the thesis explores the theory of how non-linear “breather” vibrations are excited and propagate in the disordered nanostructures of photosynthetic proteins.   .
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Morgan, Sarah Elizabeth. \.\
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4.


    Köhler-Langes, Florian.
    The Electron Mass and Calcium Isotope Shifts [Electronic resource] : high-Precision Measurements of Bound-Electron g-Factors of Highly Charged Ions / / Florian. Köhler-Langes ; . - 1st ed. 2017. - [S. l. : s. n.]. - XIV, 168 p. 69 illus., 24 illus. in color. - ISBN 9783319508771
    Зміст:
Рубрики: Elementary particles (Physics).
   Quantum field theory.

   Atomic structure  .

   Molecular structure .

   Mathematical physics.

   Elementary Particles, Quantum Field Theory.

   Atomic/Molecular Structure and Spectra.

   Theoretical, Mathematical and Computational Physics.

Анотація: This thesis presents the first isotope-shift measurement of bound-electron g-factors of highly charged ions and determines the most precise value of the electron mass in atomic mass units, which exceeds the value in the literature by a factor of 13. As the lightest fundamental massive particle, the electron is one of nature’s few central building blocks. A precise knowledge of its intrinsic properties, such as its mass, is mandatory for the most accurate tests in physics - the Quantum Electrodynamics tests that describe one of the four established fundamental interactions in the universe. The underlying measurement principle combines a high-precision measurement of the Larmor-to-cyclotron frequency ratio on a single hydrogen-like carbon ion studied in a Penning trap with very accurate calculations of the so-called bound-electron g-factor. Here, the g-factors of the valence electrons of two lithium-like calcium isotopes have been measured with relative uncertainties of a few 10
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5.


    Teixeira-Dias, José J. C.
    Molecular Physical Chemistry [Electronic resource] : a Computer-based Approach using Mathematica® and Gaussian / / José J. C. Teixeira-Dias ; . - 1st ed. 2017. - [S. l. : s. n.]. - XVI, 457 p. 270 illus., 17 illus. in color. - ISBN 9783319410937
    Зміст:
Рубрики: Physical chemistry.
   Spectroscopy.

   Thermodynamics.

   Atomic structure  .

   Molecular structure .

   Heat engineering.

   Heat transfer.

   Mass transfer.

   Physical Chemistry.

   Spectroscopy/Spectrometry.

   Thermodynamics.

   Atomic/Molecular Structure and Spectra.

   Engineering Thermodynamics, Heat and Mass Transfer.

Анотація: This is the physical chemistry textbook for students with an affinity for computers! It offers basic and advanced knowledge for students in the second year of chemistry masters studies and beyond. In seven chapters, the book presents thermodynamics, chemical kinetics, quantum mechanics and molecular structure (including an introduction to quantum chemical calculations), molecular symmetry and crystals. The application of physical-chemical knowledge and problem solving is demonstrated in a chapter on water, treating both the water molecule as well as water in condensed phases. This book presents the subjects on the basis of examples, exploring and running computer programs (Mathematica®), discussing the results of molecular orbital calculations (performed using Gaussian) on small molecules and turning to suitable reference works to obtain thermodynamic data. Selected Mathematica® codes are explained at the end of each chapter and cross-referenced with the text, enabling students to plot functions, solve equations, fit data, normalize probability functions, manipulate matrices and test physical models. In addition, the book presents clear and step-by-step explanations and provides detailed and complete answers to all exercises. In this way, it creates an active learning environment that can prepare students for pursuing their own research projects. Students who are not yet familiar with Mathematica® or Gaussian will find a valuable introduction to computer-based problem solving in the molecular sciences.
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Teixeira-Dias, José J. C. \.\
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6.


    Karedla, Narain.
    Single-Molecule Metal-Induced Energy Transfer [Electronic resource] : from Basics to Applications / / Narain. Karedla ; . - 1st ed. 2017. - [S. l. : s. n.]. - XVIII, 166 p. 96 illus., 34 illus. in color. - ISBN 9783319605371
    Зміст:
Рубрики: Atomic structure  .
   Molecular structure .

   Spectroscopy.

   Microscopy.

   Biophysics.

   Biological physics.

   Metals.

   Atomic/Molecular Structure and Spectra.

   Spectroscopy and Microscopy.

   Biological and Medical Physics, Biophysics.

   Spectroscopy/Spectrometry.

   Metallic Materials.

Анотація: This thesis presents a novel single-molecule spectroscopy method that, for the first time, allows the dipole orientations and fluorescence lifetimes of individual molecules to be measured simultaneously. These two parameters are needed to determine the position of individual molecules with nanometer accuracy near a metallic structure. Proof-of-principle experiments demonstrating the value of this new single-molecule localization concept are also presented. Lastly, the book highlights potential applications of the method in biophysics, molecular physics, soft matter and structural biology.
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7.


    Schmiedt, Hanno.
    Molecular Symmetry, Super-Rotation, and Semiclassical Motion [Electronic resource] : new Ideas for Solving Old Problems / / Hanno. Schmiedt ; . - 1st ed. 2017. - [S. l. : s. n.]. - IX, 171 p. 29 illus., 25 illus. in color. - ISBN 9783319660714
    Зміст:
Рубрики: Atomic structure  .
   Molecular structure .

   Physics.

   Physical chemistry.

   Vibration.

   Dynamical systems.

   Dynamics.

   Atomic/Molecular Structure and Spectra.

   Numerical and Computational Physics, Simulation.

   Physical Chemistry.

   Vibration, Dynamical Systems, Control.

Анотація: This book presents a range of fundamentally new approaches to solving problems involving traditional molecular models. Fundamental molecular symmetry is shown to open new avenues for describing molecular dynamics beyond standard perturbation techniques. Traditional concepts used to describe molecular dynamics are based on a few fundamental assumptions, the ball-and-stick picture of molecular structure and the respective perturbative treatment of different kinds of couplings between otherwise separate motions.  The book points out the conceptual limits of these models and, by focusing on the most essential idea of theoretical physics, namely symmetry, shows how to overcome those limits by introducing fundamentally new concepts. The book begins with an introduction to molecular symmetry in general, followed by a discussion of nuclear spin symmetry. Here, a new correlation between identical particle exchange and spin angular momentum symmetry of nuclei is exhibited. The central part of the book is the discussion of extremely floppy molecules, which are not describable in the framework of traditional theories. The book introduces a fundamentally new approach to describing the molecular dynamics of these molecules - the super-rotor model, which is based on a five-dimensional symmetry that has never been observed in molecules before. By applying the super-rotor theory to the prototype of floppy molecules, protonated methane, this model can consistently predict the symmetry and energy of low-energy states, which were characterized experimentally only a few years ago. The theoretical predictions agree with the experimental results, which makes the prospect of further developing the super-rotor theory and applying it to other molecules a promising one. In the final section, the book also covers the topic of ultrafast rotations, where usual quantum calculations reach their natural limits. A semi-classical method for determining rotational energies, developed in the early 1990s, is shown to be attachable to quantum calculations of the vibrational states. This new combined method is suitable for efficiently calculating ro-vibrational energies, even for molecular states with large angular momentum. .
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8.


    Colwell, Kitran Macey M.
    Dualities, Helicity Amplitudes, and Little Conformal Symmetry [Electronic resource] / Kitran Macey M. Colwell ; . - 1st ed. 2017. - [S. l. : s. n.]. - XV, 107 p. 15 illus., 5 illus. in color. - ISBN 9783319673929
    Зміст:
Рубрики: Elementary particles (Physics).
   Quantum field theory.

   Quantum physics.

   Mathematical physics.

   Atomic structure  .

   Molecular structure .

   Elementary Particles, Quantum Field Theory.

   Quantum Physics.

   Mathematical Physics.

   Atomic/Molecular Structure and Spectra.

Анотація: This thesis develops two exciting areas of particle physics research. It applies the recent new insights about the usefulness of helicity amplitudes in understanding gauge theory to the long-standing effort to understand theories with both electric and magnetic charges. It is known that for some supersymmetric theories there is an exact duality that relates two descriptions of the physics, one where the electric charges are weakly coupled and another where the electric charges are strongly coupled. The calculations in this thesis suggest that this duality can also hold in the low-energy limit of nonsupersymmetric gauge theories. The idea of addressing the hierarchy problem of the standard model Higgs mechanism using conformal symmetry is also explored. Analogously to “Little Higgs” models, where divergences are cancelled only at one-loop order, models are studied that have infrared conformal fixed points which related gauge and Yukawa couplings, allowing for a cancellation between seemingly unrelated quantum loop diagrams.
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9.


    Raabe, Gabriele.
    Molecular Simulation Studies on Thermophysical Properties [Electronic resource] : with Application to Working Fluids / / Gabriele. Raabe ; . - 1st ed. 2017. - [S. l. : s. n.]. - XXV, 306 p. 89 illus. - ISBN 9789811035456
    Зміст:
Рубрики: Thermodynamics.
   Heat engineering.

   Heat transfer.

   Mass transfer.

   Fluid mechanics.

   Atomic structure  .

   Molecular structure .

   Engineering Thermodynamics, Heat and Mass Transfer.

   Engineering Fluid Dynamics.

   Atomic/Molecular Structure and Spectra.

Анотація: This book discusses the fundamentals of molecular simulation, starting with the basics of statistical mechanics and providing introductions to Monte Carlo and molecular dynamics simulation techniques. It also offers an overview of force-field models for molecular simulations and their parameterization, with a discussion of specific aspects. The book then summarizes the available know-how for analyzing molecular simulation outputs to derive information on thermophysical and structural properties. Both the force-field modeling and the analysis of simulation outputs are illustrated by various examples. Simulation studies on recently introduced HFO compounds as working fluids for different technical applications demonstrate the value of molecular simulations in providing predictions for poorly understood compounds and gaining a molecular-level understanding of their properties. This book will prove a valuable resource to researchers and students alike.
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