A Device for the Production of an Extended Homogeneous Field‐Free Spherical Plasma

1970 ◽  
Vol 41 (9) ◽  
pp. 1340-1342 ◽  
Author(s):  
A. C. de Hoog ◽  
L. Schott
Keyword(s):  
Homogeneous Field ◽  
Spherical Plasma

Experimental Investigation into Spherical Plasma Formations

2005 ◽  
Vol 64 (10) ◽  
pp. 833-839 ◽  
Author(s):  
A. A. Bulgakov ◽  
B. P. Yefimov ◽  
A. N. Kuleshov ◽  
M. O. Khorunzhiy
Keyword(s):  
Experimental Investigation ◽  
Spherical Plasma

A compact permanent magnet array with a remote homogeneous field

2007 ◽  
Vol 186 (1) ◽  
pp. 100-104 ◽  
Author(s):  
Andrew E. Marble ◽  
Igor V. Mastikhin ◽  
Bruce G. Colpitts ◽  
Bruce J. Balcom
Keyword(s):  
Permanent Magnet ◽  
Homogeneous Field

MHD Simulation of Physical Processes in Spherical Plasma-Focus Chambers with Allowance for Neutron Generation

2020 ◽  
Vol 46 (10) ◽  
pp. 978-991
Author(s):  
S. F. Garanin ◽  
V. Yu. Dolinskii ◽  
N. G. Makeev ◽  
V. I. Mamyshev ◽  
V. V. Maslov
Keyword(s):  
Plasma Focus ◽  
Neutron Generation ◽  
Physical Processes ◽  
Mhd Simulation ◽  
Spherical Plasma

scholarly journals A Homogeneous Field for Light Adaptation

1968 ◽  
Vol 26 (2) ◽  
pp. 521-522
Author(s):  
Henry W. Mertens
Keyword(s):  
Light Adaptation ◽  
Space Perception ◽  
Stray Light ◽  
Homogeneous Field

A light-adaptation device which creates a homogeneous field is described. It can be used easily between observations in space perception experiments to reduce sensitivity of the eyes to stray light in the experimental display and does not itself introduce extraneous cues.

Nulling the Movement Aftereffect: Evidence for Pattern Specificity

Perception ◽  
1974 ◽  
Vol 3 (3) ◽  
pp. 267-274 ◽  
Author(s):  
J E W Mayhew
Keyword(s):  
Opposite Direction ◽  
Test Surface ◽  
Homogeneous Field ◽  
Movement Aftereffect ◽  
Motion Detectors ◽  
Patterned Illumination ◽  
Two Populations

A microtextured surface such as a homogeneously illuminated tracing-paper screen provides an excellent test surface for the movement aftereffect. When it is moved against the aftereffect at the appropriate velocity, a null occurs and the screen appears stationary. However, if patterned illumination is superimposed on the homogeneous field, the nulling breaks down. The pattern appears to move in one direction, driven by the aftereffect, and the screen can be clearly seen moving in the opposite direction. This breakdown begins to occur at luminances just above threshold for the detection of the pattern. The implication is that two populations of motion detectors are involved. Evidence in support of this postulate is presented.

Turbulent dispersion in a non-homogeneous field

1999 ◽  
Vol 392 ◽  
pp. 45-71 ◽  
Author(s):  
ILIAS ILIOPOULOS ◽  
THOMAS J. HANRATTY
Keyword(s):  
Numerical Simulation ◽  
Direct Numerical Simulation ◽  
Stochastic Model ◽  
Point Source ◽  
Time Scales ◽  
Langevin Equation ◽  
Turbulent Dispersion ◽  
Homogeneous Field ◽  
Fully Developed Flow ◽  
Good Agreement

Dispersion of fluid particles in non-homogeneous turbulence was studied for fully developed flow in a channel. A point source at a distance of 40 wall units from the wall is considered. Data obtained by carrying out experiments in a direct numerical simulation (DNS) are used to test a stochastic model which utilized a modified Langevin equation. All of the parameters, with the exception of the time scales, are obtained from Eulerian statistics. Good agreement is obtained by making simple assumptions about the spatial variation of the time scales.

scholarly journals Homogeneous Field and WKB Approximation in Deformed Quantum Mechanics with Minimal Length

2015 ◽  
Vol 2015 ◽  
pp. 1-15 ◽  
Author(s):  
Jun Tao ◽  
Peng Wang ◽  
Haitang Yang
Keyword(s):  
Wave Function ◽  
Quantum Mechanics ◽  
Statistical Physics ◽  
Turning Point ◽  
Minimal Length ◽  
Jacobi Method ◽  
Homogeneous Field ◽  
Quantization Rule ◽  
Connection Formula ◽  
Forbidden Region

In the framework of the deformed quantum mechanics with a minimal length, we consider the motion of a nonrelativistic particle in a homogeneous external field. We find the integral representation for the physically acceptable wave function in the position representation. Using the method of steepest descent, we obtain the asymptotic expansions of the wave function at large positive and negative arguments. We then employ the leading asymptotic expressions to derive the WKB connection formula, which proceeds from classically forbidden region to classically allowed one through a turning point. By the WKB connection formula, we prove the Bohr-Sommerfeld quantization rule up toOβ2. We also show that if the slope of the potential at a turning point is too steep, the WKB connection formula is no longer valid around the turning point. The effects of the minimal length on the classical motions are investigated using the Hamilton-Jacobi method. We also use the Bohr-Sommerfeld quantization to study statistical physics in deformed spaces with the minimal length.

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