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Instabilities of Relativistic Electron Beam in Plasma
  • Language: en
  • Pages: 234

Instabilities of Relativistic Electron Beam in Plasma

This book is devoted to the non-linear theory of the collective interaction between a modulated beam of relativistic charged particles and narrow electromagnetic and Langmuir wave packets in plasma or gas slow-wave systems. Regular oscillations excited by a relativistic beam under the conditions of Cherenkov resonance and the anomalous Doppler effect can be used to generate coherent microwave radiation and accelerate charged particles in plasma.

Astrophysics and Condensed Matter
  • Language: en
  • Pages: 290

Astrophysics and Condensed Matter

This book presents the latest research in two leading areas of physics - astrophysics and condensed matter.

Self Focusing of Relativistic Electron Bunches in Plasma
  • Language: en
  • Pages: 218

Self Focusing of Relativistic Electron Bunches in Plasma

This volume presents the non-linear theory of electrostatic focusing of an electron beam split into bunches under conditions when the plasma permittivity at the modulation frequency is negative and the effective Coulomb force acting on the electron bunches is reversed. Conditions for the spatial equilibrium between the bunch and plasma emission, as well as the dynamics of the formation of focussed bunches, are confirmed by solving (both analytically and numerically) the self-consistent set of equations.

New Topics in Theoretical Physics
  • Language: en
  • Pages: 100

New Topics in Theoretical Physics

Although the various branches of physics differ in their experimental methods and theoretical approaches, certain general principles apply to all of them. The forefront of contemporary advances in physics lies in the submicroscopic regime, whether it be in atomic, nuclear, condensed-matter, plasma, or particle physics, or in quantum optics, or even in the study of stellar structure. All are based upon quantum theory (i.e: quantum mechanics and quantum field theory) and relativity, which together form the theoretical foundations of modern physics. Many physical quantities whose classical counterparts vary continuously over a range of possible values are in quantum theory constrained to have d...

Frontiers in Horizons in World Physics
  • Language: en
  • Pages: 118

Frontiers in Horizons in World Physics

This book presents original research results on the leading edge of physics research. Each article has been carefully selected in an attempt to present substantial research results across a broad spectrum.

The Physics of Quarks
  • Language: en
  • Pages: 256

The Physics of Quarks

  • Type: Book
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  • Published: 2009
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  • Publisher: Unknown

A quark is a type of elementary particle found in protons and neutrons and other subatomic particles. They are a major constituent of matter, along with leptons. In nature, quarks are never found on their own, as isolated, single particles; rather, they are bound together in composite particles named hadrons. For this reason, much of what is known about quarks has been inferred from observations on the hadrons themselves. This book provides leading edge research on this field from around the globe.

Optics and Electro-optics Research
  • Language: en
  • Pages: 300

Optics and Electro-optics Research

  • Type: Book
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  • Published: 2007
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  • Publisher: Unknown

It is expected that ongoing advances in optics will revolutionise the 21st century as they have the last quarter of the 20th. Such fields as communications, materials science, computing and medicine are leaping forward based on developments in optics. This new volume presents leading-edge research from around the world.

Applied Physics in the 21st Century
  • Language: en
  • Pages: 432

Applied Physics in the 21st Century

  • Type: Book
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  • Published: 2010
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  • Publisher: Unknown

Applied physics is rooted in the fundamental truths and basic concepts of the physical sciences but is concerned with the utilization of these scientific principles in practical devices and systems. This new and important book gathers the latest research from around the globe in this dynamic field.

Superconductivity Research Advances
  • Language: en
  • Pages: 320

Superconductivity Research Advances

  • Type: Book
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  • Published: 2008
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  • Publisher: Unknown

Superconductivity is the ability of certain materials to conduct electrical current with no resistance and extremely low losses. High temperature superconductors, such as La2-xSrxCuOx (Tc=40K) and YBa2Cu3O7-x (Tc=90K), were discovered in 1987 and have been actively studied since. In spite of an intense, world-wide, research effort during this time, a complete understanding of the copper oxide (cuprate) materials is still lacking. Many fundamental questions are unanswered, particularly the mechanism by which high-Tc superconductivity occurs. More broadly, the cuprates are in a class of solids with strong electron-electron interactions. An understanding of such "strongly correlated" solids is perhaps the major unsolved problem of condensed matter physics with over ten thousand researchers working on this topic. This book presents new and important research from around the world.

Lev Davidovich Landau and His Impact on Contemporary Theoretical Physics
  • Language: en
  • Pages: 348

Lev Davidovich Landau and His Impact on Contemporary Theoretical Physics

  • Type: Book
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  • Published: 2009
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  • Publisher: Unknown

This book is dedicated to the memory of the great theoretical physicist and Nobel laureate, Lev Davidovich Landau (1908-1968) on the occasion of his centenary. The book brings together 15 papers by international authors, who cover several core aspects of the modern development of Landau's legacy and achievements.