Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, ...

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The bound state solutions of the Dirac equation are ... of the KG and Dirac equations. The purpose of the present work is to present the solution of the Alhaidari formalism of the Dirac equation [25] ...

Abstract: Closed-form equations that give the value of an arbitrary complex impedance transformed through a length of dissipationless, nonuniform transmission line with exponential cosine-squared, and ...