  Hot, dense plasmas exhibit screened Coulomb interactions, resulting from the
collective effects of correlated many-particle interactions. In the lowest
particle correlation order (pair-wise correlations), the interaction between
charged plasma particles reduces to the Debye-H\"uckel (Yukawa-type) potential,
characterized by the Debye screening length D. Due to the importance of Coulomb
interaction screening in dense laboratory and astrophysical plasmas, hundreds
of theoretical investigations have been carried out in the past few decades on
the plasma screening effects on the electronic structure of atoms and their
collision processes employing the Debye-H\"uckel screening model. The present
article aims at providing a comprehensive review of the recent studies in
atomic physics in Debye plasmas. Specifically, the work on atomic electronic
structure, photon excitation and ionization, electron/positron impact
excitation and ionization, and excitation, ionization and charge transfer of
ion-atom/ion collisions will be reviewed.
