2013/08/14 by Lin Chen, Dragomir Z. Djokovic
Physics and Astronomy · #quant-ph
paper · pdf · doi:10.1103/physreva.88.042307
published as Physical Review A 88, 042307 (2013) · 6 pages, minor revision
arxiv created 2013/08/14 · arxiv updated 2013/10/09
The absolute value of the hyperdeterminant of four qubits is a useful measure of genuine entanglement. We prove a recent conjecture of Gour and Wallach describing the pure maximally entangled four-qubit states with respect to this measure.