1. Department of Theoretical Physics, Baku State University, Z. Khalilov st. 23, AZ-1148, Baku, Azerbaijan
2. Institute for Physical Problems, Baku State University, Z. Khalilov st. 23, AZ-1148, Baku, Azerbaijan
3. Institute of Physics, Azerbaijan National Academy of Sciences, H. Javid Avenue, 131, AZ-1143, Baku, Azerbaijan
4. Department of Physics, Karadeniz Technical University, 61080, Trabson, Turkey