1. Ioffe Institute, 26 Politekhnicheskaya, St. Petersburg 194021, Russia
2. Federal University of Santa Catarina—Center of Exact Sciences and Education Rua João Pessoa 2514-Blumenau-SC, 89036-004, Brazil
3. Institute of Physics, Federal University of Bahia, Campus Universitário da Federação, Rua Barão de Jeremoabo s/n, Salvador, BA 40170-115, Brazil
4. Institute of Physics, Fluminense Federal University, Avenida Litorânea s/n, Niterói, RJ 24210-340, Brazil