Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.80.022112
Title: Partially unbiased entangled bases
Authors: Kalev, A. 
Khanna, F.C.
Revzen, M.
Issue Date: 17-Aug-2009
Citation: Kalev, A., Khanna, F.C., Revzen, M. (2009-08-17). Partially unbiased entangled bases. Physical Review A - Atomic, Molecular, and Optical Physics 80 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.80.022112
Abstract: In this contribution we group the operator basis for d2 -dimensional Hilbert space in a way that enables us to relate bases of entangled states with single-particle mutually unbiased state bases (MUB), each in dimensionality d. We utilize these sets of operators to show that an arbitrary density matrix for this d2 -dimensional Hilbert-space system is analyzed via d2 +d+1 measurements, d2 -d of which involve those entangled states that we associate with MUB of the d -dimensional single-particle constituents. The number d2 +d+1 lies in the middle of the number of measurements needed for bipartite state reconstruction with two-particle MUB (d2 +1) and those needed by single-particle MUB [(d2 +1) 2]. © 2009 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/115224
ISSN: 10502947
DOI: 10.1103/PhysRevA.80.022112
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