TY - JOUR
T1 - Entanglement detection via mutually unbiased bases
AU - Spengler, Christoph
AU - Huber, Marcus
AU - Brierley, Steve
AU - Adaktylos, Theodor
AU - Hiesmayr, Beatrix C.
PY - 2012/8/9
Y1 - 2012/8/9
N2 - We investigate correlations among complementary observables. In particular, we show how to take advantage of mutually unbiased bases for the efficient detection of entanglement in arbitrarily high-dimensional, multipartite, and continuous-variable quantum systems. The introduced entanglement criteria are relatively easy to implement experimentally since they require only a few local measurement settings. In addition, we establish a link between the separability problem and the maximum number of mutually unbiased bases-opening an additional avenue in this long-standing open problem.
AB - We investigate correlations among complementary observables. In particular, we show how to take advantage of mutually unbiased bases for the efficient detection of entanglement in arbitrarily high-dimensional, multipartite, and continuous-variable quantum systems. The introduced entanglement criteria are relatively easy to implement experimentally since they require only a few local measurement settings. In addition, we establish a link between the separability problem and the maximum number of mutually unbiased bases-opening an additional avenue in this long-standing open problem.
KW - KINGS PROBLEM
U2 - 10.1103/PhysRevA.86.022311
DO - 10.1103/PhysRevA.86.022311
M3 - Article (Academic Journal)
SN - 1050-2947
VL - 86
JO - Physical Review A: Atomic, Molecular and Optical Physics
JF - Physical Review A: Atomic, Molecular and Optical Physics
IS - 2
M1 - 022311
ER -