Konrad, TUys, H2012-06-212012-06-212012-01Konrad, T and Uys, H. 2012. Maintaining quantum coherence in the presence of noise through state monitoring. Physical Review A, vol. 85, pp 012102(1) - 012102(4)1050-2947http://pra.aps.org/pdf/PRA/v85/i1/e012102http://hdl.handle.net/10204/5928Copyright: 2012 American Physical SocietyUnsharp measurements allow the estimation and tracking of quantum wave functions in real time with minimal disruption of the dynamics. Here we demonstrate that high-fidelity state monitoring, and hence quantum control, is possible, even in the presence of classical dephasing and amplitude noise, by simulating such measurements on a two-level system undergoing Rabi oscillations. Finite estimation fidelity is found to persist indefinitely after the decoherence times set by the noise fields in the absence of measurement.enQuantum wave functionQuantum controlRabi oscillationsMaintaining quantum coherence in the presence of noise through state monitoringArticleKonrad, T., & Uys, H. (2012). Maintaining quantum coherence in the presence of noise through state monitoring. http://hdl.handle.net/10204/5928Konrad, T, and H Uys "Maintaining quantum coherence in the presence of noise through state monitoring." (2012) http://hdl.handle.net/10204/5928Konrad T, Uys H. Maintaining quantum coherence in the presence of noise through state monitoring. 2012; http://hdl.handle.net/10204/5928.TY - Article AU - Konrad, T AU - Uys, H AB - Unsharp measurements allow the estimation and tracking of quantum wave functions in real time with minimal disruption of the dynamics. Here we demonstrate that high-fidelity state monitoring, and hence quantum control, is possible, even in the presence of classical dephasing and amplitude noise, by simulating such measurements on a two-level system undergoing Rabi oscillations. Finite estimation fidelity is found to persist indefinitely after the decoherence times set by the noise fields in the absence of measurement. DA - 2012-01 DB - ResearchSpace DP - CSIR KW - Quantum wave function KW - Quantum control KW - Rabi oscillations LK - https://researchspace.csir.co.za PY - 2012 SM - 1050-2947 T1 - Maintaining quantum coherence in the presence of noise through state monitoring TI - Maintaining quantum coherence in the presence of noise through state monitoring UR - http://hdl.handle.net/10204/5928 ER -