[1] P B CORKUM. Plasma perspective on strong field multiphoton ionization. Physical Review Letters, 71, 1994(1993).

[2] B FEUERSTEIN, R MOSHAMMER, D FISCHER et al. Separation of recollision mechanisms in nonsequential strong field double ionization of Ar: the role of excitation tunneling. Physical Review Letters, 87, 043003(2001).

[3] T WEBER, H GIESSEN, M WECKENBROCK et al. Correlated electron emission in multiphoton double ionization. Nature, 405, 658-661(2000).

[4] Y L WANG, S P XU, W QUAN et al. Recoil-ion momentum distribution for nonsequential double ionization of Xe in intense midinfrared laser fields. Physical Review A, 94, 053412(2016).

[5] C HUANG, W GUO, Y ZHOU et al. Role of coulomb repulsion in correlated-electron emission from a doubly excited state in nonsequential double ionization of molecules. Physical Review A, 93, 013416(2016).

[6] D N FITTINGHOFF, P R BOLTON, B CHANG et al. Observation of nonsequential double ionization of helium with optical tunneling. Physical Review Letters, 69, 2642(1992).

[7] C F DE MORISSON FARIA, X LIU. Electron-electron correlation in strong laser fields. Journal of Modern Optics, 58, 1076-1131(2011).

[8] W BECKER, X J LIU, P J HO et al. Theories of photoelectron correlation in laser-driven multiple atomic ionization. Reviews of Modern Physics, 84, 1011(2012).

[9] Y CHEN, Y ZHOU, Y LI et al. Rabi oscillation in few-photon double ionization through doubly excited states. Physical Review A, 97, 013428(2018).

[10] Y LIU, L FU, D YE et al. Strong-field double ionization through sequential release from double excitation with subsequent coulomb scattering. Physical Review Letters, 112, 013003(2014).

[11] Q LIAO, A H WINNEY, S K LEE et al. Coulomb-repulsion-assisted double ionization from doubly excited states of argon. Physical Review A, 96, 023401(2017).

[12] D YE, M LI, L FU et al. Scaling laws of the two-electron sum-energy spectrum in strong-field double ionization. Physical Review Letters, 115, 123001(2015).

[13] H LI, J CHEN, H JIANG et al. Laser-assisted collision effect on non-sequential double ionization of helium in a few-cycle laser pulse. Journal of Physics B: Atomic, Molecular and Optical Physics, 42, 125601(2009).

[14] Y ZHOU, Q LIAO, P LU. Mechanism for high-energy electrons in nonsequential double ionization below the recollision-excitation threshold. Physical Review A, 80, 023412(2009).

[15] X WANG, J H EBERLY. Elliptical polarization and probability of double ionization. Physical Review Letters, 105, 083001(2010).

[16] X L HAO, J CHEN, W D LI et al. Quantum effects in double ionization of argon below the threshold intensity. Physical Review Letters, 112, 073002(2014).

[17] Z CHEN, Y LIANG, C D LIN. Quantum theory of recollisional (e, 2 e) process in strong field nonsequential double ionization of helium. Physical Review Letters, 104, 253201(2010).

[18] Cheng HUANG, Mingmin ZHONG, Zhengmao WU. Nonsequential double ionization by co-rotating two-color circularly polarized laser fields. Optics Express, 27, 7616-7626(2019).

[19] Y LI, B YU, Q TANG et al. Transition of recollision trajectories from linear to elliptical polarization. Optics Express, 24, 6469-6479(2016).

[20] Fang LIU, Shuqi LI, Zhangjin CHEN et al. Nonsequential double ionization of Ne with elliptically polarized laser pulses. Physical Review A, 106, 043120(2022).

[21] Zhangjin CHEN, Shuqi LI, Huipeng KANG et al. Ellipticity dependence of anticorrelation in the nonsequential double ionization of Ar. Optics Express, 30, 44039-44054(2022).

[22] Dan WU, Qingyi LI, Jun WANG et al. The nonsequential double ionization of Ar atoms with different initial angular momenta irradiated by a circularly polarized laser pulse. Chemical Physics Letters, 794, 139400(2022).

[23] J L CHALOUPKA, D D HICKSTEIN. Dynamics of strong-field double ionization in two-color counterrotating fields. Physical Review Letters, 116, 143005(2016).

[24] C A MANCUSO, K M DORNEY, D D HICKSTEIN et al. Controlling nonsequential double ionization in two-color circularly polarized femtosecond laser fields. Physical Review Letters, 117, 133201(2016).

[25] S ECKART, M RICHTER, M KUNITSKI et al. Nonsequential double ionization by counterrotating circularly polarized two-color laser fields. Physical Review Letters, 117, 133202(2016).

[26] K LIN, X JIA, Z YU et al. Comparison study of strong-field ionization of molecules and atoms by bicircular two-color femtosecond laser pulses. Physical Review Letters, 119, 203202(2017).

[27] B LI, X YANG, X REN et al. Enhanced double ionization rate from O2 molecules driven by counter-rotating circularly polarized two-color laser fields. Optics Express, 27, 32700-32708(2019).

[28] C HUANG, H PANG, X HUANG et al. Relative phase effect of nonsequential double ionization of molecules by counter-rotating two-color circularly polarized fields. Optics Express, 28, 10505-10514(2020).

[29] M PENG, L H BAI, Z GUO. Influence of relative phase on the nonsequential double ionization process of CO2 molecules by counter-rotating two-color circularly polarized laser fields. Communications in Theoretical Physics, 73, 075501(2021).

[30] C HUANG, M ZHONG, Z WU. Intensity-dependent two-electron emission dynamics in nonsequential double ionization by counter-rotating two-color circularly polarized laser fields. Optics Express, 26, 26045-26056(2018).

[31] T T XU, Q Y ZHU, J H CHEN et al. Multiple recollisions in nonsequential double ionization by counter-rotating two-color circularly polarized laser fields. Optics Express, 26, 1645-1654(2018).

[32] X MA, Y ZHOU, Y CHEN et al. Timing the release of the correlated electrons in strong-field nonsequential double ionization by circularly polarized two-color laser fields. Optics Express, 27, 1825-1837(2019).

[33] Z CHEN, J SU, X ZENG et al. Electron angular correlation in nonsequential double ionization of molecules by counter-rotating two-color circularly polarized fields. Optics Express, 29, 29576-29586(2021).

[34] T T XU, J H CHEN, X F PAN et al. Effect of elliptical polarizations on nonsequential double ionization in two-color elliptically polarized laser fields. Chinese Physics B, 27, 093201(2018).

[35] A FLEISCHER, O KFIR, T DISKIN et al. Spin angular momentum and tunable polarization in high-harmonic generation. Nature Photonics, 8, 543-549(2014).

[36] D B MILOŠEVIĆ, W BECKER. High-order harmonic generation by bi-elliptical orthogonally polarized two-color fields. Physical Review A, 102, 023107(2020).

[37] J WU, A VREDENBORG, L P H SCHMIDT et al. Comparison of dissociative ionization of H2, N2, Ar2, and CO by elliptically polarized two-color pulses. Physical Review A, 87, 023406(2013).

[38] J SU, Z LIU, J LIAO et al. Electron correlation and recollision dynamics in nonsequential double ionization by counter-rotating two-color elliptically polarized laser fields. Optics Express, 30, 24898-24908(2022).

[39] M BUSULADŽIĆ, A ČERKIĆ, A GAZIBEGOVIĆ-BUSULADŽIĆ et al. Molecular-orientation-dependent interference and plateau structures in strong-field ionization of a diatomic molecule by a corotating bichromatic elliptically polarized laser field. Physical Review A, 98, 013413(2018).

[40] Xuefei HUANG, Jie SU, Jianying LIAO et al. Photoelectron holography in tunneling ionization of atoms by counter-rotating two-color elliptically polarized laser field. Acta Physica Sinica, 71, 093202(2022).

[41] P J HO, R PANFILI, S L HAAN et al. Nonsequential double ionization as a completely classical photoelectric effect. Physical Review Letters, 94, 093002(2005).

[42] J CHEN, C H NAM. Ion momentum distributions for He single and double ionization in strong laser fields. Physical Review A, 66, 053415(2002).

[43] Y ZHAU, Q LIAO, P LU. Asymmetric electron energy sharing in strong-field double ionization of helium. Physical Review A, 82, 053402(2010).

[44] Shiwei LIU, Difa YE, Jie LIU. Electron correlation momentum and energy spectrum in triple ionization of lithium by the femtosecond laser field (invited). Acta Photonica Sinica, 51, 0851519(2022).

[45] Jie SU, Zichao LIU, Jianying LIAO et al. Intensity-dependent electron correlation in nonsequential double ionization of Ar atoms in counter-rotating twocolor elliptically polarized laser fields. Acta Physica Sinica, 71, 193201(2022).

[46] Yingbin LI, Xu WANG, Benhai YU et al. Nonsequential double ionization with mid-infrared laser fields. Scientific Reports, 6, 37413(2016).

[47] S L HAAN, Z S SMITH, K N SHOMSKY et al. Electron drift directions in strong-field double ionization of atoms. Journal of Physics B, 42, 134009(2009).