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Abrikosov vortices in superconductors are ideal information carriers: they are topologically stable and keep a uniform nano-scale size given by quantum conditions. Low vortex friction in high-Tc materials makes possible fast motion of quantized vortices with extremely low dissipation of energy. Mastering fast manipulations of vortices will require the knowledge of their mass. Here, we present relevant experiments leading to reliable determination of the vortex mass in the optimally doped YBaCuO, using the observed circular dichroism of far-infrared light. see the paper R. Tesař, M. Šindler, C. Kadlec, L. Skrbek, P. Lipavský, J. Koláček
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Figure shows the vortex masses as a function of temperature
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