Classifying deviation from standard quantum behavior using the Kullback-Leibler divergence Salman Sajad Wani, Saif Al-Kuwari, Xiaoping Shi, Yiting Chen, Abrar Ahmed Naqash, Seemin Rubab, Mir Faizal and S. Kannan EPL, 144 6 (2023) 62003 Published online: 17 January 2024 DOI: 10.1209/0295-5075/ad1414