By using renormalized mean field theory we study charge ordered d-wave resonating valence bond states (dRVB) in doped cuprates, and estimate their energies in the $t-J $ model.

• 长程库仑作用势使电荷趋向密度分布不均匀，而动能项则喜欢均匀分布的电荷，这两项 的竞争可能会导致稳定的电荷序图案出现。