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.
Badziag
Piotr
P
Alba Nova Fysikum, University of Stockholm, S-106 91, Sweden.
Brukner
Caslav
C
Laskowski
Wiesław
W
Paterek
Tomasz
T
Zukowski
Marek
M