SIDORENKO, A. S.; ZDRAVKOV, V. I.; RYAZANOV, V. V.; KLEMM, M.; HORN, S.; TIDECKS, R.; MÜLLER, C.; WIXFORTH, A.
(Springer Nature Switzerland, 2004)
The origin of the resistive transition broadening for superconducting MgB2 films is investigated experimentally. The crucial role of two-dimensional weak and critical fluctuations is demonstrated.