TY - JOUR KW - non-Palaiseau KW - paper AU - Richard Taïeb AU - Valérie Véniard AU - Alfred Maquet AU - NL Manakov AU - SI Marmo AB - The angular distribution of the photoelectrons produced from a ground-state atom ionized under the combined action of two (or several) radiation fields can exhibit circular dichroism effects, when reversing the polarization state (right versus left, for instance) of one of the fields. We address the question of such dichroic effects in a currently explored scenario in which the atom is ionized in the presence of a strong laser field and of one (or several) of its higher harmonics. BT - PHYSICAL REVIEW A DA - JUL M1 - 1 N2 - The angular distribution of the photoelectrons produced from a ground-state atom ionized under the combined action of two (or several) radiation fields can exhibit circular dichroism effects, when reversing the polarization state (right versus left, for instance) of one of the fields. We address the question of such dichroic effects in a currently explored scenario in which the atom is ionized in the presence of a strong laser field and of one (or several) of its higher harmonics. PY - 2000 T2 - PHYSICAL REVIEW A TI - Circular dichroism from unpolarized atoms in multiphoton multicolor ionization VL - 62 SN - 1050-2947 ER -