  Based on quintessence models with anticorrelation between the quintessence
fluctuations and adiabatic perturbations in the other matter components, we
show that if the quintessence potential is sufficiently steep in the initial
era, i.e., at the beginning of radiation dominated epoch, the quintessence
fluctuations can be large enough to sufficiently suppress the CMB power
spectrum at low multipoles without excess gravitational waves. The leaping
kinetic term quintessence and the crossover quintessence models, can realize
such steep potential at the initial stage, and therefore can give rise to a low
CMB quadrupole as required by observations.
