Results 1 to 10 of about 49,674 (203)
An electromagnetic trinity from "negative permittivity" and "negative permeability" [PDF]
Int. J. Infrared Millim. Waves, Vol. 23, pp. 813-818 (2002), 2001 An electromagnetic trinity comprising vacuum, anti--vacuum, and nihility is postulated -- after making use of materials with "negative permittivity" and "negative permeability" -- to illuminate the structure of electromagnetic theory, at least insofar as the relationship of phase velocity with Poynting vector is concerned.
Akhlesh Lakhtakia
arxiv +6 more sources
Effect of electromagnetic permeability on transition temperature of superconductivity [PDF]
International Journal of Modern Physics B, 2023 The description of superconductivity at high-temperature is a problem that has recently been addressed. Transition temperature of superconductivity, [Formula: see text], depends on the lattice structure type, size and room pressure. In super-lattices and low-dimensional layered nanostructures, [Formula: see text] is increased by increasing the ...
M. M. Bagheri–Mohagheghi +4 more
openalex +3 more sources
Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, 2023 Analysis of studies in the field of targeted delivery of drugs, genes and stem cells showed a low level of accuracy of both applied and practical research in this area.
A. V. Churakov +2 more
doaj +3 more sources
Impacts of magnetic permeability on electromagnetic data collected in settings with steel-cased wells [PDF]
, 2022 Electromagnetic methods are increasingly being applied in settings with steel infrastructure. These include applications such as monitoring of CO2 sequestration or even assessing the integrity of a wellbore. In this paper, we examine the impacts of the magnetic permeability of a steel-cased well on electromagnetic responses in grounded source ...
Lindsey J. Heagy, Douglas W. Oldenburg
arxiv +5 more sources
Electromagnetics with time-varied vacuum permittivity and permeability
, 2023 Manuscript and Supplemental document, 27 pages, 11 ...
Zhiwei Sun
openalex +4 more sources
Electromagnetic wave scattering by many small particles and creating materials with a desired permeability [PDF]
arXiv, 2010 Scattering of electromagnetic (EM) waves by many small particles (bodies) embedded in a homogeneous medium is studied. Physical properties of the particles are described by their boundary impedances. The limiting equation is obtained for the effective EM field in the limiting medium, in the limit $a\to 0$, where $a$ is the characteristic size of a ...
А. Г. Рамм
arxiv +5 more sources
In-depth experimental search for a coupling between gravity and electromagnetism with steady fields [PDF]
Scientific ReportsAny means to control gravity like electromagnetism is currently out of reach by many orders of magnitude even under extreme laboratory conditions. Some often poorly executed experiments or pseudoscience theories appear from time to time claiming for ...
M. Tajmar, M. Kößling, O. Neunzig
doaj +2 more sources
18 GHz electromagnetic field induces permeability of Gram-positive cocci [PDF]
Scientific Reports, 2015 AbstractThe effect of electromagnetic field (EMF) exposures at the microwave (MW) frequency of 18 GHz, on four cocci, Planococcus maritimus KMM 3738, Staphylococcus aureus CIP 65.8T, S. aureus ATCC 25923 and S. epidermidis ATCC 14990T, was investigated.
The Hong Phong Nguyen +6 more
openalex +5 more sources
Electromagnetic Wave Propagation in Media with Indefinite Permittivity and Permeability Tensors [PDF]
Physical Review Letters, 2003 We study the behavior of wave propagation in materials for which not all of the principle elements of the permeability and permittivity tensors have the same sign. We find that a wide variety of effects can be realized in such media, including negative refraction, near-field focusing and high impedance surface reflection.
David R. Smith, David Schurig
openalex +5 more sources
Effect of different permeability on electromagnetic properties of absorbing materials [PDF]
MATEC Web of Conferences, 2018 In this study, we have simulated and investigated electromagnetic properties of six types materials using a single layer metal backed absorber model that were determined at microwave frequencies 8.2 up to12.4 GHz. The reflection loss was simulated for different thicknesses in the range of 0.85 to 1.05 mm based on the relative complex permeability and ...
Riser Fahdiran +2 more
openalex +3 more sources