Logical XOR gate response in a quantum interferometer: A spin dependent transport Moumita Dey, Santanu K. Maiti and S. N. Karmakar Eur. Phys. J. B, 80 1 (2011) 105-114 Published online: 01 March 2011 DOI: 10.1140/epjb/e2011-10931-6