Experimentally friendly geometrical criteria for entanglement.
A simple geometrical criterion gives experimentally friendly sufficient conditions for entanglement. Its generalization gives a necessary and sufficient condition. It is linked with a family of entanglement identifiers, which is strictly richer than the family of entanglement witnesses.
Alba Nova Fysikum, University of Stockholm, S-106 91, Sweden.
Piotr
P
Badziag
Caslav
C
Brukner
Wiesław
W
Laskowski
Tomasz
T
Paterek
Marek
M
Zukowski