E B Magnusson, N Hasselmann, Ivan Shelykh, "Functional renormalization group approach to the singlet–triplet transition in quantum dots", Journal of Physics: Condensed Matter, vol. 24, pp. 365602, 2012, [DOI: 10.1088/0953-8984/24/36/365602] [IF: 2.55, SJR: 1.66]