Dielectric Function of Two-Dimensional Nanostructure, Including Single Layer Quantum Well
C.C. Tovstyuk
Lviv Polytechnic National University, Profesorska str., 2, 79013 Lviv, Ukraine
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In this work, we calculate the dielectric function, depending on frequency, wave-vector and temperature in a two-dimensional nanostructure, including a single-layer quantum well. For this purpose, we used the theoretical expressions, also taking into account the exchange interactions of particles in a quantum well (a layer) placed in a boundless medium. These expressions include the response function, the Fourier transform of the Coulomb potential, and the local field correction factor. As it follows from our calculations, a considered nanostructure forms an active material, increasing and decreasing the electromagnetic field for some types of photons and also not allowing some types of photons to pass into the material. The temperature dependence of the dielectric function shows that increasing the temperature changes the interaction of the electromagnetic field with the structure.

DOI:10.12693/APhysPolA.141.341
topics: temperature depended dielectric function, nanostructures, multiparticle interactions