The criterion of modulational instability of the second order bright solitary wave is studied in this article. The Principle consists initially in seeking all solitary wave solutions of the bright type which verify the nonlinear partial differential equation which governs the dyn...
Open access
Research Article10.9734/ajr2p/2022/v6i2116
At low temperatures, uniaxial perovskites exhibit a spontaneous polarization with a permanent dipole moment. The broken symmetry state involves an order parameter and dielectric properties of the materials which are strongly dominated by a one-dimensional physics. For the last si...
Open access
Research Article10.9734/ajr2p/2022/v6i230182
String theory always comes with heavy mathematical rigor as it questions the most significant and impossible attempt to make a scale-invariant phenomenology between general relativity and quantum theory. Thus, steps have been taken to simplify the theory a bit thereby making it a...
Open access
Research Article10.9734/ajr2p/2022/v6i230181
The purpose of the study was to investigate students’ perception of their physics teachers’ classroom practices. The study was conducted in eight (8) senior high schools in the Hohoe Municipality in the Volta Region of Ghana. Descriptive cross-sectional survey design was employed...
Open access
Research Article10.9734/ajr2p/2022/v6i230180
We tackle the issue of the factorial growth in the amplitudes of multi-Higgs production at high energy by developing a phenomenological approach based on the Higgs splitting functions and Sudakov factors. We utilize the method of generating functionals to define several jet obser...
Open access
Research Article10.9734/ajr2p/2022/v6i130177
Using IBM-2 configuration mixing calculations, the normal and intruder 2p-2h bands in even-even tin isotopes are examined. The states of the normal and intruder bands were computed separately and then mixed using a basic band-mixing Hamiltonian. The experimental data for energy l...
Open access
Research Article10.9734/ajr2p/2022/v6i130176
Sunlight is the primary source of clean and cheap energy but its intensity varies from one location to another depending on the latitude, altitude, atmospheric absorption and scattering by air molecules, dust particle and water vapour among others. The aim of this work is to det...
Open access
Research Article10.9734/ajr2p/2022/v6i130175
Thirty-six samples of soil and sediments were analyzed for radiogenic heat production due to three natural radionuclides from the Coastal communities of Okrika Local Government Area of Rivers state, Nigeria. 18 samples of soil samples were dug at a depth of 1 meter below the eart...
Open access
Research Article10.9734/ajr2p/2022/v6i130174
The solar power capacity depends on orientation angle of the solar panel. This study evaluates the angle dependence of solar power capacity for a summer season in 2017. Using three solar panels, with 10 Watt capacity each placed on a metallic frame to facilitate changing tilt and...
Open access
Research Article10.9734/ajr2p/2022/v6i130173
This study was aimed at analyzing the effect of temperature and relative humidity on downlink satellite communication systems over Warri, in Delta State, Nigeria. The data used in this study were temperature, relative humidity and radio signal strength (RSS) obtained from the Nig...
Open access
Research Article10.9734/ajr2p/2021/v5i430170
Heat waves often occur during sunny days in tropical regions during summer season, with temperatures sometimes reaching over 42 degrees Celsius. Because overheat waves can cause heatstroke for human beings who work outside, umbrellas are usually used to cut off sunshine to protec...
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Research Article10.9734/ajr2p/2021/v5i430171
We have used both analytical and statistical methods to show some plausible consequences of the luminosity/redshift relationships for compact steep spectrum (CSS) quasars and the more extended extragalactic radio (EGR) quasars. From the analytical methods (or theory), we find tha...
Open access
Research Article10.9734/ajr2p/2021/v5i430172
For the periods 01 July, 02 July, and 03 July 2018, important atmospheric parameters such as temperature, relative humidity, pressure, wind direction, and wind speed have been calculated over a tropical Indian station Gadanki (13.5°N, 79.2°E). Atmospheric Boundary Layer height (A...
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Research Article10.9734/ajr2p/2021/v5i430169
This paper presents the design and construction of a smart-home automation system using nodeMCU and Google assistant. The device consist of Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) module that contains all clock generators, shift registers and dat...
Open access
Research Article10.9734/ajr2p/2021/v5i430168
Determination of radionuclides’ activity concentration in fruits is essential for the protection of human health. Fruits can be radioactive due to the present of naturally occurring radioactive materials (NORMs) and technically enhanced radioactive materials (TENORMs) in the envi...
Open access
Research Article10.9734/ajr2p/2021/v5i330167