scholarly journals Influence of the magnetic field of industrial frequency on the state of prooxidant-antioxidant indicators in the organism of experimental animals

2017 ◽  
pp. 13-16
Author(s):  
Didyk N.V. ◽  
Keyword(s):  
Magnetic Field ◽  
The State ◽  
Experimental Animals ◽  
The Magnetic Field ◽  
Industrial Frequency

Article

1998 ◽  
Vol 76 (7) ◽  
pp. 507-513
Author(s):  
O Bolina ◽  
J R Parreira
Keyword(s):  
Magnetic Field ◽  
Transverse Magnetic Field ◽  
Ground State ◽  
Linear Chain ◽  
Critical Value ◽  
Transverse Magnetic ◽  
The State ◽  
Xy Model ◽  
The Magnetic Field

We show that the ground state of the xy model (ferromagnetic orantiferromagnetic) in a transverse magnetic field h --- for any spin value, in any dimension --- is the state with all spins aligned antiparallel to the field when h is greater than some critical value hc. In particular, for the spin-1/2 linear chain, we study the behavior of correlations as functions of the magnetic field. PACS Nos.: 75.10Jm and 64.60.Cm

EUCLIDEAN ACTION AT TUNNELING IN MAGNETIC FIELD

2009 ◽  
Vol 23 (12n13) ◽  
pp. 2893-2897
Author(s):  
I. A. LARKIN ◽  
SEBASTIAN UJEVIC ◽  
B. I. IVLEV
Keyword(s):  
Magnetic Field ◽  
Thin Film ◽  
Electric Field ◽  
Quantum Wire ◽  
Film Surface ◽  
The State ◽  
Static Electric Field ◽  
Euclidean Action ◽  
The Wire ◽  
The Magnetic Field

A state of an electron in a quantum wire or a thin film becomes metastable, when a static electric field is applied perpendicular to the wire direction or the film surface. The state decays via tunneling through the created potential barrier. An additionally applied magnetic field, perpendicular to the electric field, can increase the tunneling decay rate of an excited state by many orders of magnitude. This happens when the state in the wire or the film has a velocity perpendicular to the magnetic field. According to the cyclotron effect, the velocity rotates under the barrier and becomes more aligned with the direction of tunneling. This mechanism can be called cyclotron enhancement of tunneling.

Subsolar magnetopause under an inverse gradient of the magnetic field: Statistical study

2020 ◽  
Author(s):  
Kostiantyn Grygorov ◽  
Zdeněk Němeček ◽  
Jana Šafránková ◽  
Jiří Šimůnek
Keyword(s):  
Magnetic Field ◽  
Solar Wind ◽  
Thermal Plasma ◽  
Statistical Study ◽  
The State ◽  
Upstream Solar Wind ◽  
The Magnetic Field

<p>The magnetopause is usually at the point where the pressure of the magnetospheric magnetic field is balanced by a sum of the thermal plasma and magnetic pressures on the magnetosheath side. However, statistics from THEMIS magnetopause crossings have showed that about 2 % of them exhibit a larger magnetic field in the magnetosheath than in the magnetosphere in the subsolar region (Y<sub>GSM </sub>< 5 R<sub>E</sub>) and thus, the pressure from the magnetosheath side seems to be uncompensated. In our study, we compare parameters of those unusual crossings with the rest of our statistic in that region with motivation to highlight the possible sources and mechanisms of this apparent pressure imbalance, which can be caused either by specific upstream solar wind conditions or by the state of the magnetosphere. We also compare our THEMIS results with the sets of magnetopause crossings observed by other spacecraft (e.g., Cluster, MMS).</p>

Influence of Magnetic Field on the Unlocking Stress for Dislocation Motion in Cz-Si Depending on Pre-Annealing Time

2005 ◽  
Vol 108-109 ◽  
pp. 163-168
Author(s):  
M. Badylevich ◽  
Vitaly V. Kveder ◽  
Valeri I. Orlov ◽  
Yu. Osipyan
Keyword(s):  
Magnetic Field ◽  
Experimental Data ◽  
Annealing Time ◽  
Dislocation Motion ◽  
The State ◽  
Magnetic Field Treatment ◽  
The Magnetic Field ◽  
Thermal Prehistory

We investigated the effect of magnetic field on the unlocking stress for dislocations in Cz-Si, measured at 600oC, depending on the thermal prehistory of samples. The effect increases with increasing of the duration of sample annealing at 600oC before the magnetic field treatment. The experimental data are consistent with the assumption that the magnetic field stimulate some changes in configuration of oxygen accumulated at dislocations before the magnetic field treatment, but not the state of oxygen in a bulk.

scholarly journals The Effect of the Ionosphere on the Controlled-Source Field in the Frequency Range between 0.4 and 95 Hz

2021 ◽  
Author(s):  
Pavel Tereshchenko
Keyword(s):  
Magnetic Field ◽  
Kola Peninsula ◽  
Geomagnetic Activity ◽  
The State ◽  
Topside Ionosphere ◽  
Frequency Range ◽  
Controlled Source ◽  
The Earth ◽  
Source Field ◽  
The Magnetic Field

The paper addresses the effect of the ionosphere on the ELF and lower frequency waves excited in the Earth-ionosphere waveguide by a controlled source. The experiment carried out on the Kola Peninsula is described and the results of measurements in the frequency range 0.4–95 Hz are presented. Non-monotonic behavior of the magnetic field with time is revealed. It is shown that variations in the magnetic field are related to the state of the ionosphere and depend on the geomagnetic activity. The importance of the effect of the topside ionosphere on the structure of the studied field is discussed.

scholarly journals The Effect of the Ionosphere on the Controlled-Source Field in the Frequency Range between 0.4 and 95 Hz

2021 ◽  
Author(s):  
Pavel Tereshchenko
Keyword(s):  
Magnetic Field ◽  
Kola Peninsula ◽  
Geomagnetic Activity ◽  
The State ◽  
Topside Ionosphere ◽  
Frequency Range ◽  
Controlled Source ◽  
The Earth ◽  
Source Field ◽  
The Magnetic Field

The paper addresses the effect of the ionosphere on the ELF and lower frequency waves excited in the Earth-ionosphere waveguide by a controlled source. The experiment carried out on the Kola Peninsula is described and the results of measurements in the frequency range 0.4–95 Hz are presented. Non-monotonic behavior of the magnetic field with time is revealed. It is shown that variations in the magnetic field are related to the state of the ionosphere and depend on the geomagnetic activity. The importance of the effect of the topside ionosphere on the structure of the studied field is discussed.

Observing the galactic magnetic field

1967 ◽  
Vol 31 ◽  
pp. 375-380
Author(s):  
H. C. van de Hulst
Keyword(s):  
Magnetic Field ◽  
Fair Agreement ◽  
Solar Neighbourhood ◽  
Galactic Magnetic Field ◽  
The Magnetic Field

Various methods of observing the galactic magnetic field are reviewed, and their results summarized. There is fair agreement about the direction of the magnetic field in the solar neighbourhood:l= 50° to 80°; the strength of the field in the disk is of the order of 10-5gauss.

Evolution of Large-Scale Coronal Structures

1994 ◽  
Vol 144 ◽  
pp. 29-33
Author(s):  
P. Ambrož
Keyword(s):  
Magnetic Field ◽  
Field Line ◽  
Large Scale ◽  
Coronal Magnetic Field ◽  
Source Surface ◽  
Solar Cycles ◽  
Characteristic Relationship ◽  
The Magnetic Field ◽  
Coronal Structures

AbstractThe large-scale coronal structures observed during the sporadically visible solar eclipses were compared with the numerically extrapolated field-line structures of coronal magnetic field. A characteristic relationship between the observed structures of coronal plasma and the magnetic field line configurations was determined. The long-term evolution of large scale coronal structures inferred from photospheric magnetic observations in the course of 11- and 22-year solar cycles is described.Some known parameters, such as the source surface radius, or coronal rotation rate are discussed and actually interpreted. A relation between the large-scale photospheric magnetic field evolution and the coronal structure rearrangement is demonstrated.

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