TY - JOUR AU - Luis Aina, Alfredo PY - 2002 DO - 10.1103/PhysRevLett.88.230401 SN - 0031-9007 UR - https://hdl.handle.net/20.500.14352/59675 T2 - Physical review letters AB - We examine basic properties of complementarity by using the most general description of quantum observables as positive-operator measures. We show that, in general, two observables can be complementary or not depending on the measure of fluctuations... LA - eng M2 - 230401_1 PB - American Physical Society KW - Quantum-phase measurement KW - Welcher weg measurements KW - Which-way information KW - Wave-particle duality KW - Atom interferometer KW - Fringe visibility KW - Optical-phase KW - Uncertainty KW - Interference KW - State TI - Complementarity for generalized observables TY - journal article VL - 88 ER -