Category: 4. Physics

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  • Flow spatial structure determines pattern instabilities in nonlocal models of population dynamics

    Flow spatial structure determines pattern instabilities in nonlocal models of population dynamics

    For each of the models we considered, we first study the no-flow limit Pe = 0 to use it as a baseline for quantifying the effect of advection on both the spatial patterns of population density and the long-term population size. We study this…

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  • A highly efficient triple band metasurface enabled absorber for 5G/6G millimeter wave applications

    A highly efficient triple band metasurface enabled absorber for 5G/6G millimeter wave applications

  • Khodadadi, B., Babaeinik, M., Ghods, V. & Rezaei, P. Triple-band metamaterial perfect absorber for refractive index sensing in THz frequency. Opt. Quant. Electron. 55, 431 (2023).

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  • Exact collective occupancies of the Moshinsky model in two-dimensional geometry

    Exact collective occupancies of the Moshinsky model in two-dimensional geometry

    We consider a system of N bosons in a two-dimensional isotropic harmonic potential, interacting with a force proportional to the square of the distance between the particles. The Hamiltonian of this system has the form11

    $$\begin{aligned} \mathscr…

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