Written by Muhammad Rohail T.
Until now, detailed analysis of how combined nonlinear optical effects and intrinsic decoherence impact quantum correlations in multi-atom systems has been lacking. This work bridges that gap, comprehensively examining the simultaneous evolution of global quantum discord and quantum Fisher information under Kerr nonlinearity and parametric amplification. Increasing atomic number generally enhances discord, yet quantum Fisher information does not always follow suit, revealing a nuanced interpl...