%0 Journal Article %T NoN analyticity of Hanle effect at zero magnetic field in a quantum dot %A Kozlov Gleb %J Physics %D 2013 %I arXiv %X Non analytic behaviour of Hanle effect in InGaAs quantum dots is described in terms of a simple 4-level model. Despite simplicity the model makes it possible to explain the observed fracture of Hanle curve at zero magnetic field and obtain quantitative agreement with the experiment. %U http://arxiv.org/abs/1302.4918v1