Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.81.012313
Title: Linear assignment maps for correlated system-environment states
Authors: Rodríguez-Rosario, C.A.
Modi, K. 
Aspuru-Guzik, A.
Issue Date: 20-Jan-2010
Citation: Rodríguez-Rosario, C.A., Modi, K., Aspuru-Guzik, A. (2010-01-20). Linear assignment maps for correlated system-environment states. Physical Review A - Atomic, Molecular, and Optical Physics 81 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.81.012313
Abstract: Assignment maps are mathematical operators that describe initial system-environment states for open quantum systems. We re-examine the notion of assignments that account for correlations between the system and the environment and show that these maps can be made linear at the expense of giving up positivity or consistency of the map. We study the role of positivity and consistency of the map and show the effects of relaxing these. Finally, we establish a connection between the violation of the positivity of linear assignments and the no-broadcasting theorem. © 2010 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/112457
ISSN: 10502947
DOI: 10.1103/PhysRevA.81.012313
Appears in Collections:Staff Publications

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