Review on non-dipole effects in ionization and harmonic generation of atoms and molecules<xref rid="cpb_29_1_013302fn1" ref-type="fn">*</xref><fn id="cpb_29_1_013302fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11961131008, 11725416, and 11574010) and the National Key Research and Development Program of China (Grant No. 2018YFA0306302).</p></fn>

Review on non-dipole effects in ionization and harmonic generation of atoms and molecules**

Project supported by the National Natural Science Foundation of China (Grant Nos. 11961131008, 11725416, and 11574010) and the National Key Research and Development Program of China (Grant No. 2018YFA0306302).

Wang Mu-Xue¹, Chen Si-Ge¹, Liang Hao¹, Peng Liang-You^{1, 2, 3, 4, †}

Dependence on azimuthal angle ϕ of Ar 1s photoelectrons at the photon energy of 2000 eV. The polar angle is fixed at θ = 54.7°. The solid line is a fitted curve used to determine the nondipolar asymmetry parameter γ. Source: Krässig et al.^[31]