Kerr-AdS black hole behaviors from dark energy

We investigate the critical behaviors of four-dimensional Kerr-AdS black holes from quintessential Dark Energy (DE) contributions. Using a moduli space, coordinated by the DE state parameter omega and the quintessence field intensity alpha, we deal with three different (omega)-models. By elaborating analytical formulas of relevant thermodynamical quantities denoted by X-(omega), we find significant similarities and distinctions. Precisely, for the (-1/3)-model, we show that DE contributions stabilize such black holes. For the (-1)-model, however, we get a reversed DE effect. In the (-2/3)-model, Kerr-AdS black holes reveal a resistance regarding the usual DE effects. Exploiting the explicit formulas of such thermodynamical quantities, we give certain physical interpretations for thermal behaviors. Although such relevant distinctions, we show that the (omega)-models involve similar universal ratios associated with certain critical thermodynamical quantities. Then, we analyze the photon orbits in the presence of DE.