Non-Markovianity of a qubit coupled with an isotropic Lipkin–Meshkov

Non-Markovianity of a qubit coupled with an isotropic Lipkin–Meshkov–Glick bath

Tian Li-Jun, Ti Min-Min, Zhai Xiang-Dong

h′ ( t ) versus time t with λ′ = 0.23 and 0.3 when N = 500, λ = 0.6.