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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.

Nuclear structure. --- Nuclear excitation. --- Collective excitations. --- Excitations, Collective --- Energy-band theory of solids --- Exciton theory --- Excitation, Nuclear --- Energy levels (Quantum mechanics) --- Nuclear physics --- Structure, Nuclear --- Collective excitations --- Nuclear excitation --- Nuclear structure --- 539.14 --- 539.14 Nuclei --- Nuclei

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Molecular structure. --- Quantum theory. --- Excited state chemistry. --- Information theory in chemistry. --- Chemistry --- Chemistry, Physical and theoretical --- Energy levels (Quantum mechanics) --- Quantum chemistry --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Structure, Molecular --- Chemical structure --- Structural bioinformatics

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The book describes the modern theory of light hydrogen-like systems, and the discussion is based on quantum electrodynamics. In particular, Green's functions, relativistic bound-state equations and Feynman diagrams are extensively used. New theoretical approaches are described and explained. The book contains derivation of many theoretical results obtained in recent years. A complete set of all theoretical results for the energy levels of hydrogen-like bound states, as well as comparison with experiment, is presented.

Bound states (Quantum mechanics) --- Energy levels (Quantum mechanics) --- Bound states (Quantum mechanics). --- Energy levels (Quantum mechanics). --- Physics - General --- Atomic Physics --- Electricity & Magnetism --- Physics --- Physical Sciences & Mathematics --- Energy states (Quantum mechanics) --- Physics. --- Nuclear physics. --- Atoms. --- Atomic, Molecular, Optical and Plasma Physics. --- Particle and Nuclear Physics. --- Chemistry, Physical and theoretical --- Matter --- Stereochemistry --- Atomic nuclei --- Atoms, Nuclei of --- Nucleus of the atom --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Constitution --- Quantum theory --- Excited state chemistry --- Nuclear excitation --- Nuclear physics

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In this book, leading experts on quantum dot theory and technology provide comprehensive reviews of all aspects of quantum dot systems. The following topics are covered: (1) energy states in quantum dots, including the effects of strain and many-body effects; (2) self-assembly and self-ordering of quantum dots in semiconductor systems; (3) growth, structures, and optical properties of III-nitride quantum dots; (4) quantum dot lasers.
Contents:

• Low-Dimensional Systems (E Borovitskaya & M S Shur)
• Energy States in Quantum Dots (A J Williamson)
• Sel

Quantum dots. --- Energy levels (Quantum mechanics) --- Semiconductors. --- Crystalline semiconductors --- Semi-conductors --- Semiconducting materials --- Semiconductor devices --- Crystals --- Electrical engineering --- Electronics --- Solid state electronics --- Energy states (Quantum mechanics) --- Quantum theory --- Excited state chemistry --- Nuclear excitation --- Dots, Quantum --- Semiconductor quantum dots --- Quantum electronics --- Semiconductors --- Materials

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This brief investigates the diradical character, which is one of the ground-state chemical indices for "bond weakness" or "electron correlation" and which allows researchers to explore the origins of the electron-correlation-driven physico-chemical phenomena concerned with electronic, optical and magnetic properties as well as to control them in the broad fields of physics and chemistry. It then provides the theoretical fundamentals of ground and excited electronic structures of symmetric and asymmetric open-shell molecular systems by using model molecular systems. Moreover, it presents the theoretical design guidelines for a new class of open-shell singlet molecular systems for nonlinear optics (NLO) and singlet fission.

Excited state chemistry --- Quantum chemistry --- Mathematical models. --- Data processing. --- Chemistry, Quantum --- Chemistry, Physical and theoretical --- Quantum theory --- Energy levels (Quantum mechanics) --- Chemistry, Physical organic. --- Optical materials. --- Physical Chemistry. --- Optical and Electronic Materials. --- Atomic, Molecular, Optical and Plasma Physics. --- Optics --- Materials --- Chemistry, Physical organic --- Chemistry, Organic --- Physical chemistry. --- Electronic materials. --- Atoms. --- Physics. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Matter --- Stereochemistry --- Electronic materials --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry --- Constitution