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ATOMIC PROCESSES

Takashi Fujimoto.

in Plasma Spectroscopy

June 2004; published online September 2007.

Chapter. Subjects: nuclear physics. 18632 words.

This chapter presents an overview of atomic processes which play important roles in plasma spectroscopy. Starting with the atomic wavefunction of hydrogen, the absorption oscillator strengths between...

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Average collective motion of small amplitude

Helmut Hofmann.

in The Physics of Warm Nuclei

April 2008; published online September 2008.

Chapter. Subjects: nuclear physics. 34241 words.

This chapter focuses on collective motion of isoscalar nature parameterized by shape variables. The equations of motion are derived from energy conservation as implied by self-consistency. A basic...

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Beam-target interaction

Stefano Atzeni and JÜrgen Meyer-Ter-Vehn.

in The Physics of Inertial Fusion

June 2004; published online January 2008.

Chapter. Subjects: nuclear physics. 15159 words.

Targets for inertial fusion are driven by external beams. Energy deposition of high-power laser and ion beams is considered for cold and hot dense matter. Collisional and resonance absorption of...

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BROADENING OF SPECTRAL LINES

Takashi Fujimoto.

in Plasma Spectroscopy

June 2004; published online September 2007.

Chapter. Subjects: nuclear physics. 8778 words.

The Doppler broadening, the natural broadening, and the quasi-static broadening are introduced. The last broadening is due to the Stark effect in the Holtsmark micro-field with the Debye shielding....

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COLLECTIVE EXCITATIONS IN EVEN–EVEN NUCLEI: VIBRATIONAL AND ROTATIONAL MOTION

R. F. Casten.

in Nuclear Structure from a Simple Perspective

March 2001; published online January 2010.

Chapter. Subjects: nuclear physics. 46758 words.

The shell model is generally considered the fundamental nuclear model and works best for light nuclei. More fundamental to the shell model's central position in nuclear physics is that it provides a...

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CONTINUUM RADIATION

Takashi Fujimoto.

in Plasma Spectroscopy

June 2004; published online September 2007.

Chapter. Subjects: nuclear physics. 3173 words.

The intensity distribution of the recombination continuum continues smoothly across the ionization limit to the series lines, the upper levels of which are in LTE. Thus, a Boltzmann plot of the...

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THE DEFORMED SHELL MODEL OR NILSSON MODEL

R. F. Casten.

in Nuclear Structure from a Simple Perspective

March 2001; published online January 2010.

Chapter. Subjects: nuclear physics. 10952 words.

This chapter describes the basic single-particle model applicable to nearly all deformed nuclei — the Nilsson model. This model is one of the most successful nuclear models ever developed, accounting...

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DENSE PLASMA

Takashi Fujimoto.

in Plasma Spectroscopy

June 2004; published online September 2007.

Chapter. Subjects: nuclear physics. 8942 words.

When the plasma density is high, the Coulomb potential for the atomic electron is modified and level energies, transition probabilities are accordingly modified. Collision cross sections are also...

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Density operators and Wigner functions

Helmut Hofmann.

in The Physics of Warm Nuclei

April 2008; published online September 2008.

Chapter. Subjects: nuclear physics. 7622 words.

This chapter introduces density operators and matrices for many-body systems, and explains their reduction to one- and two-body densities. Starting from the Slater determinant, the latter are...

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DUSTY PLASMAS

V. E. Fortov, I. T. Iakubov and A. G. Khrapak.

in Physics of Strongly Coupled Plasma

November 2006; published online September 2007.

Chapter. Subjects: nuclear physics. 53501 words.

This chapter discusses the physics of complex (dusty) plasmas — low-temperature plasmas containing charged microparticles — and the major types of experimental dusty plasmas. Various elementary...

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