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Energy-Momentum Conservation Laws
  • Language: en
  • Pages: 134

Energy-Momentum Conservation Laws

Conservation laws, reflecting the symmetry of space and time, play a vital role in understanding the surrounding world. Conservation laws allow us to explain very different phenomena from a unified point of view. The textbook illustrates this principle taking examples from mechanics, optics, nuclear physics, solid-state physics, and medicine. They include, for example, positron annihilation used in experiments aimed at neutrino registration and in the positron emission tomography for patient diagnostics; the functioning of solar cells, infrared detectors, and light emitting diodes (LEDs); slowing down fission neutrons toward achieving a nuclear chain reaction; jet propulsion of a rocket and an octopus; principles of magnetic resonance imaging and principles standing behind fission and fusion nuclear reactions; and more.

Oscillatory Models in General Relativity
  • Language: en
  • Pages: 154

Oscillatory Models in General Relativity

The book employs oscillatory dynamical systems to represent the Universe mathematically via constructing classical and quantum theory of damped oscillators. It further discusses isotropic and homogeneous metrics in the Friedman-Robertson-Walker Universe and shows their equivalence to non-stationary oscillators. The wide class of exactly solvable damped oscillator models with variable parameters is associated with classical special functions of mathematical physics. Combining principles with observations in an easy to follow way, it inspires further thinking for mathematicians and physicists. Contents Part I: Dissipative geometry and general relativity theory Pseudo-Riemannian geometry and ge...

Collective Effects in Condensed Matter Physics
  • Language: en
  • Pages: 468

Collective Effects in Condensed Matter Physics

This monograph offers a concise overview of the theoretical description of various collective phenomena in condensed matter physics. These effects include the basic electronic structure in solid state physics, lattice vibrations, superconductivity, light-matter interaction and more advanced topics such as martensitic transistions.

Quantum Groups
  • Language: en
  • Pages: 450

Quantum Groups

With applications in quantum field theory, general relativity and elementary particle physics, this three-volume work studies the invariance of differential operators under Lie algebras, quantum groups and superalgebras. This second volume covers quantum groups in their two main manifestations: quantum algebras and matrix quantum groups. The exposition covers both the general aspects of these and a great variety of concrete explicitly presented examples. The invariant q-difference operators are introduced mainly using representations of quantum algebras on their dual matrix quantum groups as carrier spaces. This is the first book that covers the title matter applied to quantum groups. Contents Quantum Groups and Quantum Algebras Highest-Weight Modules over Quantum Algebras Positive-Energy Representations of Noncompact Quantum Algebras Duality for Quantum Groups Invariant q-Difference Operators Invariant q-Difference Operators Related to GLq(n) q-Maxwell Equations Hierarchies

Metric Theories of Gravity
  • Language: en
  • Pages: 622

Metric Theories of Gravity

By focusing on the mostly used variational methods, this monograph aspires to give a unified description and comparison of various ways of constructing conserved quantities for perturbations and to study symmetries in general relativity and modified theories of gravity. The main emphasis lies on the field-theoretical covariant formulation of perturbations, the canonical Noether approach and the Belinfante procedure of symmetrisation. The general formalism is applied to build the gauge-invariant cosmological perturbation theory, conserved currents and superpotentials to describe physically important solutions of gravity theories. Meticulous attention is given to the construction of conserved ...

Regularization in Orbital Mechanics
  • Language: en
  • Pages: 422

Regularization in Orbital Mechanics

Regularized equations of motion can improve numerical integration for the propagation of orbits, and simplify the treatment of mission design problems. This monograph discusses standard techniques and recent research in the area. While each scheme is derived analytically, its accuracy is investigated numerically. Algebraic and topological aspects of the formulations are studied, as well as their application to practical scenarios such as spacecraft relative motion and new low-thrust trajectories.

Minkowski Space
  • Language: en
  • Pages: 154

Minkowski Space

In Minkowski-Space the space-time of special relativity is discussed on the basis of fundamental results of space-time theory. This idea has the consequence that the Minkowski-space can be characterized by 5 axioms, which determine its geometrical and kinematical structure completely. In this sense Minkowski-Space is a prolegomenon for the formulation of other branches of special relativity, like mechanics, electrodynamics, thermodynamics etc. But these applications are not subjects of this book. Contents Basic properties of special relativity Further properties of Lorentz matrices Further properties of Lorentz transformations Decomposition of Lorentz matrices and Lorentz transformations Further structures on Ms Tangent vectors in Ms Orientation Kinematics on Ms Some basic notions of relativistic theories

Irreducible Cartesian Tensors
  • Language: en
  • Pages: 268

Irreducible Cartesian Tensors

This monograph covers the concept of cartesian tensors with the needs and interests of physicists, chemists and other physical scientists in mind. After introducing elementary tensor operations and rotations, spherical tensors, combinations of tensors are introduced, also covering Clebsch-Gordan coefficients. After this, readers from the physical sciences will find generalizations of the results to spinors and applications to quantum mechanics.

Metric Theories of Gravity
  • Language: en
  • Pages: 779

Metric Theories of Gravity

By focusing on the mostly used variational methods, this monograph aspires to give a unified description and comparison of various ways of constructing conserved quantities for perturbations and to study symmetries in general relativity and modified theories of gravity. The main emphasis lies on the field-theoretical covariant formulation of perturbations, the canonical Noether approach and the Belinfante procedure of symmetrisation. The general formalism is applied to build the gauge-invariant cosmological perturbation theory, conserved currents and superpotentials to describe physically important solutions of gravity theories. Meticulous attention is given to the construction of conserved ...

Chick Life Cycle
  • Language: en
  • Pages: 28

Chick Life Cycle

  • Type: Book
  • -
  • Published: 2007
  • -
  • Publisher: Scholastic

Can you guess what is hatching fomr this egg? It's a chick! You willlearn all about a chick's life cycle in this book.