TY - JOUR AU - Luis Aina, Alfredo PY - 2004 DO - 10.1103/PhysRevA.69.044101 SN - 1050-2947 UR - https://hdl.handle.net/20.500.14352/51517 T2 - Physical review A AB - We analyze the quantum limit to the sensitivity of the detection of small displacements. We focus on the case of free particles and harmonic oscillators as the systems experiencing the displacement. We show that the minimum displacement detectable is... LA - eng M2 - 044101_ PB - American Physical Society KW - Quantum nondemolition measurement KW - Position KW - Atom TI - Heisenberg limit for displacements with semiclassical states TY - journal article VL - 69 ER -