Quantum nonlocality of generic family of four-qubit entangled pure states
Ding Donga),b), He Ying-Qiua), Yan Feng-Li†a), Gao Ting‡c)
       
Plot of the quantum prediction 〈 G abcd | 𝓑 | G abcd 〉 versus a and b with a 2 + b 2 ≤ 1.