Semiconductor-ferromagnetic insulator-superconductor nanowires : stray field and exchange field - Liu, Yu (University of Copenhagen. Center for Quantum Devices) ; Vaitiekenas, Saulius (University of Copenhagen. Niels Bohr Institute) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Koch, Christian (Institut Català de Nanociència i Nanotecnologia) ; Hart, Sean (Stanford University. Department of Physics) ; Cui, Zheng (Stanford University. Department of Applied Physics) ; Kanne, Thomas (University of Copenhagen. Niels Bohr Institute) ; Khan, Sabbir A. (University of Copenhagen. Niels Bohr Institute) ; Tanta, Rawa (University of Copenhagen. Niels Bohr Institute) ; Upadhyay, Shivendra (University of Copenhagen. Niels Bohr Institute) ; Cachaza, Martin Espiñeira (University of Copenhagen. Niels Bohr Institute) ; Marcus, Charles M. (University of Copenhagen. Niels Bohr Institute) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Moler, Kathryn A. (Stanford University. Department of Applied Physics) ; Krogstrup, Peter (University of Copenhagen. Niels Bohr Institute)