change the equation for coherence time and efficiency on memory
in paper https://arxiv.org/pdf/1512.02936.pdf they state (eq. 15)
ηh = exp(−2γh/∆) = exp(−4/(T2∆))
which has some more factors than our purely exp decay.
in paper https://arxiv.org/pdf/1512.02936.pdf they state (eq. 15)
ηh = exp(−2γh/∆) = exp(−4/(T2∆))
which has some more factors than our purely exp decay.