Screw dislocation and external fields effects on the Kratzer pseudodotNahid Soheibi, Majid Hamzavi, Mahdi Eshghi and Sameer M. IkhdairEur. Phys. J. B, 90 11 (2017) 212DOI: https://doi.org/10.1140/epjb/e2017-80468-9