Compact Uplink Circularly Polarized 2.4GHz Short Backfire Antenna for Geostationary Amateur Radio Satellite Es’Hail-2 (QO-100) by Michal Cerveny, Pavel Hazdra

Get full text

Modelling and Design of HF RFID Passive Transponders with Additional Energy Harvester by Piotr Jankowski-Mihułowicz, Włodzimierz Kalita, Mariusz Skoczylas, Mariusz Węglarski

“…It should be noted that either passive or semipassive transponders are supplied with energy that is derived from the electromagnetic field generated by the read/write device and its antenna. …”
Get full text

Optimization of circular coils with ferrite boxes for enhanced efficiency in wireless power transfer for electric vehicles by Soukaina Jaafari, Hamza El Hafdaoui, Khadija Ajabboune, Ahmed Khallaayoun, Esmail Ahouzi

“…Introducing ferrite plan cores and boxes, the research finds that ferrite boxes improve coupling efficiency by 50% and electromagnetic field strength by 300%, concentrating the field toward the center. …”
Get full text

PROCESSING OF STEEL AND CAST IRON SCRAPS AT RUP “MAZ” by P. S. Gurchenko, M. I. Demin, A. I. Mihluk, A. M. Skibaij

“…The original method of thermal cleaning of metal chips using high-frequency electromagnetic field was tested on the results of the carried out experimental- research works.…”
Get full text

Analysis of the vacuum solution of the five-dimensional Einstein field equations with negative cosmological constant via variational symmetries by Fatemeh Ahangari

“…This formulation geometrically demonstrates the effects of a gravitational and an electromagnetic field by investigating a five-dimensional space with a metric constructed via the spacetime metric and the four-potential of the electromagnetic field. …”
Get full text

On the Electromagnetic Vacuum Origins of Dark Energy, Dark Matter, and Astrophysical Jets by Stuart Marongwe

“…We use a semiclassical version of the Nexus paradigm of quantum gravity in which the quantum vacuum at large scales is dominated by the second quantized electromagnetic field to demonstrate that a virtual photon field can affect the geometric evolution of Einstein manifolds or Ricci solitons. …”
Get full text

Calculation of Electromagnetic Parameters of Single Vertical Grounding Electrodes of Finite Length at Power Frequency Current Flowing by D. A. Gerasimovich, A. A. Dziaruhina

“…The paper proposes approximate analytical expressions for calculation of grounding electrode resistances and voltages considering electromagnetic field attenuation in ground and electrode. …”
Get full text

MAGNETIC-IMPULSE STRENGTHENING PROCESSING OF THE CONSTRUCTIONAL AND TOOL STEELS ARTICLES by A. V. Alifanov, A. V. Akulov, Zh. A. Popova, A. S. Demyanchik

“…The magnetic pulse installation, intended for hardening of cylindrical steel articles by strong pulse electromagnetic field, is developed and produced. Results of researches show high efficiency and prospects of the developed method for hardening of steel articles.…”
Get full text

Quantum Character of Electromagnetic Langmuir Oscillations in Conventional Electron-Ion Plasma by Boris Alexandrovich Veklenko

“…It is shown that the low-temperature plasma near-thermodynamic equilibrium cannot be classical because of a quantum nature of the longitudinal electromagnetic field and electron interaction with Rayleigh-Jeans distribution of Langmuir waves. …”
Get full text

Comparative Analysis of the Influence of Selected Physical Factors on the Level of Pain in the Course of Temporomandibular Joint Disorders by Łukasz Kopacz, Żaneta Ciosek, Helena Gronwald, Piotr Skomro, Roman Ardan, Danuta Lietz-Kijak

“…Each group consisted of 30 people and was subjected to separate therapies in which LED light therapy with electromagnetic field (MLT) and cryotherapy (CT) were applied. …”
Get full text

Application of Generalized Fractional Thermoelasticity Theory with Two Relaxation Times to an Electromagnetothermoelastic Thick Plate by A. M. Abd El-Latief

“…The fractional mathematical model of Maxwell’s equations in an electromagnetic field and the fractional generalized thermoelastic theory associated with two relaxation times are applied to a 1D problem for a thick plate. …”
Get full text

Spontaneous Emission of an Excited Atom in a Dusty Unmagnetized Plasma Medium by Naser Alinejad, Noushin Pishbin

“…Calculation of the decay rate of atoms is applicable to understand the particular structure of the vacuum state of the electromagnetic field.…”
Get full text

Nonlinear Tunneling of Surface Plasmon Polaritons in Periodic Structures Containing Left-Handed Metamaterial Layers by Munazza Zulfiqar Ali

“…It is further observed that the structure shows sensitivity with respect to the polarization of the electromagnetic field for this phenomenon.…”
Get full text

Calculation of Quasi-Stationary Fields in Metal Sheets and Plates Placed in Magnetic Fields using Double Fourie Series by A. N. Gerasimovich, D. A. Gerasimovich, А. M. Kozik

“…The paper considers a calculation of electromagnetic field in metal sheets and plates placed in inhomogeneous magnetic fields. …”
Get full text

2.5D Inductive Intertwined Frequency Selective Surface for Band-Pass and High Miniaturization Applications by Juan Andres Vasquez-Peralvo, Rocio Chueca Lasheras, Juan Carlos Merlano Duncan, Shuai Zhang, Pavel Pechac, Vaclav Kabourek, Symeon Chatzinotas

Get full text

Deep-TEMNet: A Hybrid U-Net–2D LSTM Network for Efficient and Accurate 2.5D Transient Electromagnetic Forward Modeling by Zhijie Qu, Yuan Gao, Kang Xing, Xiaojuan Zhang

“…The U-Net component enables high-resolution spatial feature extraction, while the 2D LSTM module enhances temporal modeling by processing spatial sequences in two dimensions, thereby optimizing the representation of electromagnetic field dynamics over time. Trained on high-fidelity FEM-generated datasets, Deep-TEMNet achieves exceptional accuracy in reproducing electromagnetic field distributions across diverse geological scenarios, with a mean squared error of 0.00000134 and a root mean square percentage error of 0.002373019. …”
Get full text

Shubnikov–de Haas Oscillations in Semiconductors at the Microwave-Radiation Absorption by G. Gulyamov, U. I. Erkaboev, A. G. Gulyamov

“…Using a mathematical model, the oscillations of the microwave magnetoabsorption are considered for different values of the electromagnetic field. The results of calculations are compared with experimental data. …”
Get full text

Numerical Techniques for the Analysis of Charge Transport and Electrodynamics in Graphene Nanoribbons by Luca Pierantoni, Davide Mencarelli

“…The propagation of a charge wavepacket is reported, showing the effect of the self‐generated electromagnetic field that affects the dynamics of the charge wavepacket.…”
Get full text

Multifield Coupling Mechanism of Unloading Deformation and Fracture of Composite Coal-Rock by Zhen Yang, Yan Li, Xin Li, Jiayu Zhuang, Hao Li, Xue Wang, Yuning Wang

“…To solve the problem, this paper combines interdisciplinary theories such as damage mechanics and electromagnetic field theory. The mathematical model of multiphysics coupling during loading and unloading of composite coal-rock is deduced. …”
Get full text

Atomic Marginal Distribution and Squeezing Phenomena of Correlated Two Modes Interacting with a Three-Level Atom in the Presence of an External Classical Field by A.-S. F. Obada, E.M. Khalil, S. Sanad, H.F. Habeba

“…The influence of the external classical field on a correlated two-mode of the electromagnetic field interacting with a three-level atom in the Λ structure is studied. …”
Get full text