Physics & Astronomy
All Items
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124 60
In this study, we analyze a cosmological model based on Tsallis Holographic Dark Energy (THDE) in Kaluza--Klein (KK) spacetime within f(R,T) gravity. Exact solutions to the field …
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168 66
With the sole physical input that quantum symmetries act projectively on states, this work develops a group-theoretic account of spin as the obstruction to lifting a projective unitary representation to an … -
408 187
Lead halide perovskite solar cells (PSCs) show considerable promise, but their inherent drawbacks, including low stability and toxicity, pose environmental concerns. Therefore, exploring lead-free …
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364 156
Poly(N-vinylcaprolactam) (PNVCl) polymer gels have recently been proposed for radiation dosimetry; however, their ultrasound response remains inadequately defined. This study assessed the feasibility of …
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962 265
Factors influencing the thermal stability of HEMA polymer gel dosimeters for clinical radiotherapy 3063Thermal stability is an essential feature required for practical applicability of gel dosimeters in radiation therapy planning system (TPS). This study pioneers a comprehensive experimental study of …
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765 273
This article analyses the response of the subsolar position (Ro) of the Earth’s magnetopause to geo-effective ICME storms in solar cycle 24, ranging from minor to extreme intensity, based on the model …
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859 455
The computation of partition function (Z) is the bedrock of the study of statistical mechanics as it plays a significant role in the thermodynamic properties (TP) where microscopic properties are connected …
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600 249
This study investigates the elastic scattering cross sections for 12 C + 12 C over a wide range of incident energies from 78.85 to 420 MeV using the velocity–dependent São Paulo …
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769 442
Concentrations of heavy metal content in indoor dust and potential exposure in preschool children 2559Indoor dust serves as a medium for the deposition of heavy metals, and young children's rapid physical growth and hand-to-mouth behavior expose them to the impacts of heavy metals. This project aimed to …
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1060 439
Gamma radiation poses health and environmental risks, creating the need for sustainable, low-cost, and eco-friendly shielding materials. In this study, we modified ordinary concrete with palm nut shell ash …
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806 392
This study investigates the structural, electronic, and optical properties of FeAs(1-x)La(x) alloys (x = 0, 0.25, 0.5, 0.75, 1) using the FP-LAPW method within the framework of density functional theory …
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1700 567
Due to its high ability to absorb ultraviolet rays in a wide spectrum, zinc oxide has emerged as the most important element used in the manufacture of sunscreens and cosmetics. This study aimed to …
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960 431
Silicon quantum dots (SiQDs) are nanostructure semiconducting crystalline particles of silicon, usually less than 10 nm in size. Usually, silicon is extracted from its oxide through a carbothermic process …
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776 375
Eigensolutions and thermodynamic properties constrained by magnetic field of cyclotron frequency 2869The present work investigates the influence of cyclotron frequency on the energy spectrum and thermodynamic properties of a quantum system. The energy as a function of the quantum number unveils an …
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1020 374
Modeling ionospheric parameters at low and equatorial stations is quite challenging due to the nature of the variation in the region. In this study, a Deep Neural Network (DNN) was configured via …
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857 328
In this theoretical research to describe the latest experimental results from the Large Hadron Collider, Belle II, and heavy-ion collisions obtained in high-energy hadronic physics, we include relativistic …
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930 325
This article examines the magnetospheric convection electric field (MCEF) fluctuations during seven moderate to severe storms in the declining phase of solar cycle 24. The storms induced by ICMEs were …
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1529 666
Accurate forecasting of photovoltaic (PV) power is essential for effective grid integration and energy management, particularly in solar-rich regions such as Algeria. This study presents a robust …
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1230 594
Welders undoubtedly experience significant health issues. The question arises: could ionising radiation from radioactivity be responsible for these health problems, rather than solely attributing them to …
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1208 465
Vibrational Resonance (VR), which is characterised by the enhancement of the maximum response of a weakly driven system’s output signal induced by a high-frequency (HF) periodic signal, was numerically …
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1164 461
For chemoradiotherapy applications, this work investigated the photon and proton interaction parameters in five boron-based medications: sodium borocaptate, bortezomib, delanzomib, boronophenylalanine, …
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1036 394
Global anthropogenic emissions have been on the increase causing environmental and climatic concerns. To this end, aerosol properties influenced by these anthropogenic activities from satellite and ground …
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866 356
Understanding the dynamics of atmospheric heating rates (AHR) is crucial for assessing the impact of aerosols on Earth's energy balance and consequently, on climate dynamics. This study investigates the …
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1523 871
The study assessed the levels of radiation exposure due to environmental radioactivity and heavy metal contamination at the central solid waste dumpsite in Abakiliki, Ebonyi State and its health impact on …
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604 420
The pattern and electron ionisation gradient associated with the obstruction of solar ionizing radiation (SIR) provided a good opportunity to study the plasma movements and neutral compositions during the …
