### 2017

- J.M. Ngoko Djiokap and A.F. Starace, "Doubly-Excited State Effects on Two-Photon Double Ionization of Helium by Time-Delayed, Oppositely Circularly-Polarized Attosecond Pulses," J. Optics
**19**, 124003 (2017) (DOI: https://doi.org/10.1088/2040-8986/aa8fc0). This is an invited contribution to a special issue on emerging attosecond technologies. - H.-C. Shao and A. F. Starace, "Imaging Electronic Motions by Ultrafast Electron Diffraction (Invited Paper)," in Ultrafast Nonlinear Imaging and Spectroscopy V, Z. Liu, I.C. Khoo, D. Psaltis, and K. Shi, eds., Proceedings of SPIE Vol.
**10380**, 103800D (2017); doi:10.1117/12.2273560 - H.-C. Shao and A. F. Starace, "Energy-resolved coherent diffraction from laser-driven electronic motion in atoms," Phys. Rev. A
**96**, 042706 (2017). - D.B. Foote, Y. Lin, L.-W. Pi, J.M. Ngoko Djiokap, A.F. Starace, and W.T. Hill III, "Ionization enhancement and suppression in phase-locked ultrafast pulse pairs," Phys. Rev. A
**96**, 023425 (2017). - M.V. Frolov, N.L. Manakov, A.A. Minina, S.V. Popruzhenko, and A.F. Starace, "Adiabatic-limit Coulomb factors for photoelectron and high-order-harmonic spectra," Phys. Rev. A
**96**, 023406 (2017). - J.M. Ngoko Djiokap, A.V. Meremianin, N.L. Manakov, S.X. Hu, L.B. Madsen, and A.F. Starace, "Kinematical Vortices in Double Photoionization of Helium by Attosecond Pulses," Phys. Rev. A
**96**, 013405 (2017). - A. Vikartofsky, L.-W. Pi, and A.F. Starace, "Discontinuities in the Electromagnetic Fields of Vortex Beams in the Complex Source-Sink Model," Phys. Rev. A
**95**, 053826 (2017). - D. Peng, L.-W. Pi, M.V. Frolov, and A.F. Starace, "Enhancing high-order-harmonic generation by time delays between two-color, few-cycle pulses," Phys. Rev. A
**95**, 033413 (2017).

### 2016

- H.-C. Shao and A. F. Starace, "Imaging Population Transfer with Ultrafast Electron Pulses," Phys. Rev. A
**94**, 030702(R) (2016). - J.M. Ngoko Djiokap, A.V. Meremianin, N.L. Manakov, S.X. Hu, L.B. Madsen, and A.F. Starace, "Multistart Spiral Electron Vortices in Ionization by Circularly Polarized UV Pulses," Phys. Rev. A
**94**, 013408 (2016). - M. V. Frolov, T. S. Sarantseva, N. L. Manakov, K. D. Fulfer, B. P. Wilson, J. Troß, X. Ren, E. D. Poliakoff, A. A. Silaev, N. V. Vvedenskii, A. F. Starace, and C. A. Trallero-Herrero, "Atomic Photoionization Experiment by Harmonic-Generation Spectroscopy," Phys. Rev. A
**93**, 031403(R) (2016). - M. V. Frolov, N. L. Manakov, T. S. Sarantseva, A. A. Silaev, N. V. Vvedenskii, and A. F. Starace, "Control of threshold enhancements in harmonic generation by atoms in a two-color laser field with orthogonal polarizations," Phys. Rev. A.
**93**, 023430 (2016).

### 2015

- J.M. Ngoko Djiokap, S.X. Hu, L.B. Madsen, N.L. Manakov, A.V. Meremianin, and A.F. Starace, "Electron Vortices in Photoionization by Circularly Polarized Attosecond Pulses," Phys. Rev. Lett.
**115**, 113004 (2015). - L.-W. Pi, S.X. Hu, and A.F. Starace, "Favorable Target Positions for Intense Laser Acceleration of Electrons in Hydrogen-Like, Highly-Charged Ions," Phys. Plasmas
**22**, 093111 (2015). - M.V. Frolov, N.L. Manakov, S.S. Marmo, and Anthony F. Starace, "Photodetachment of a model molecular system by an elliptically polarized field," J. Mod. Opt. 62, S28 (2015).
- M.V. Frolov, N.L. Manakov, W.-H. Xiong, L.-Y. Peng, J. Burgdörfer, and A.F. Starace, "Comment on `Universality of Returning Electron Wave Packet in High-Order Harmonic Generation with Midinfrared Laser Pulses'," Phys. Rev. Lett. 111, 069301 (2015).
- M.V. Frolov, N.L. Manakov, W.-H. Xiong, L.-Y. Peng, J. Burgdörfer, and A.F. Starace, "Scaling Laws for High-Order Harmonic Generation with Midinfrared Laser Pulses," Phys. Rev. A
**92**, 023409 (2015). - A.N. Zheltukhin, A.V. Flegel, M.V. Frolov, N.L. Manakov, and A.F. Starace, “Rescattering effects in laser-assisted electron-atom bremsstrahlung,” J. Phys. B 48, 075202 (2015).

### 2014

- J.M. Ngoko Djiokap, N.L. Manakov, A.V. Meremianin, S.X. Hu, L.B. Madsen, and A.F. Starace, "Nonlinear dichroism in back-to-back double ionization of He by an intense elliptically-polarized few-cycle XUV pulse,” Phys. Rev. Lett. 113, 223002 (2014).
*This Letter was featured in an article on p. 32 of the February 2015 issue of Photonics Spectra; the online version appears here: http://www.photonics.com/Article.aspx?PID=5&VID=125&IID=801&Tag=Tech+Pulse&AID=56939.* - H.-C. Shao and A.F. Starace, “Imaging Electronic Motions in Atoms by Energy-Resolved Ultrafast Electron Diffraction,” Phys. Rev. A 90, 032710 (2014).
- L.-W. Pi and A.F. Starace, "Potential Barrier Effects in Three-Photon Ionization Processes," Phys. Rev. A 90, 023403 (2014).
- M. V. Frolov, D. V. Knyazeva, N. L. Manakov, J.-W. Geng, L.-Y. Peng, and A. F. Starace, "Analytic Model for the Description of Above-Threshold Ionization by an Intense Short Laser Pulse," Phys. Rev. A 89, 063419 (2014).
- A.N. Zheltukhin, A.V. Flegel, M.V. Frolov, N.L.Manakov, and A.F. Starace, "Resonant Electron-Atom Bremsstrahlung in an Intense Laser Field," Phys. Rev. A 89, 023407 (2014).

### 2013

- H.-C. Shao and A.F. Starace, "Imaging Coherent Electronic Motion in Atoms by Ultrafast Electron Diffraction," Phys. Rev. A 88, 062711 (2013).
*This article has been selected by the editors of Physical Review A as an “Editor’s Suggestion."* - T.S. Sarantseva, M.V. Frolov, N.L. Manakov, M. Yu. Ivanov, and A.F. Starace, “Harmonic generation spectroscopy with a two-colour laser field having orthogonal linear polarizations,” J.Phys. B 46, 231001 (2013).
*This is a Fast Track Communication*. - J.M. Ngoko Djiokap and A.F. Starace, "Resonant Enhancement of the Harmonic Generation Spectrum of Beryllium,” Phys. Rev. A 88, 053412 (2013).
- J.M. Ngoko Djiokap, N.L. Manakov, A.V. Meremianin, and A.F. Starace, “Carrier-Envelope-Phase-Induced Asymmetries in Double Photoionization of He by an Intense Few-Cycle XUV Pulse,” Phys. Rev. A 88, 053411 (2013).
- H.-C. Shao and A.F. Starace, “Use of Attosecond Electron Pulses to Image Electronic Motion in Atoms and Molecules,” in
*Ultrafast Imaging and Spectroscopy*, ed. Zhiwen Liu, Proceedings of SPIE Vol.**8845,**884504 - S.V. Borzunov, M.V. Frolov, M. Yu. Ivanov, N.L. Manakov, and A.F. Starace, “Zero-range potential model for strong field molecular processes: Dynamic polarizability and photodetachment cross section,” Phys. Rev. A
**88**, 033410 (2013). - J.M. Ngoko Djiokap, S.X. Hu, W.-C. Jiang, L.-Y. Peng, and A.F. Starace, “Asymmetries in Production of He
^{+}(*n=2*) with an Intense Few-Cycle Attosecond Pulse,” Phys. Rev. A**88**, 011401(R) (2013). - A. V. Flegel, M. V. Frolov, N. L. Manakov, A. F. Starace, and A. N. Zheltukhin, “Analytic description of elastic electron-atom scattering in an elliptically polarized laser field,” Phys. Rev. A
**87**, 013404 (2013). - A. V. Flegel, M. V. Frolov, N. L. Manakov, A. F. Starace, and A. N. Zheltukhin, “Control of atomic dynamics in laser-assisted electron-atom scattering through the driving-laser ellipticity,” Phys. Rev. A
**87**, 033414 (2013). - H.-C. Shao and A.F. Starace, “Time-resolved ultrafast electron (
*e,2e*) momentum spectroscopy,” Phys. Rev. A**87**, 050701(R) (2013).

### 2012

- M.V. Frolov, N.L. Manakov, A.M. Popov, O.V. Tikhonova, E.A. Volkova, A.A. Silaev, N.V. Vvedenskii, and A.F. Starace, “Analytic Theory of High-Order Harmonic Generation by an Intense Few-Cycle Laser Pulse, “ Phys. Rev. A
**85**, 033416 (2012). - A.N. Zheltukhin, A.V. Flegel, M.V. Frolov, N.L. Manakov, A.F. Starace, “Resonant Phenomena in Laser-Assisted Radiative Attachment or Recombination,” J. Phys. B
**45**, 081001 (2012).*Fast Track Communication; selected for inclusion in IOPSelect. This article has also been cited by the editors of J. Phys. B as one of the “Highlights” of 2012.* - M.V. Frolov, D.V. Knyazeva, N.L. Manakov, A.M. Popov, O.V. Tikhonova, E.A. Volkova, M.-H. Xu, L.-Y. Peng, and A.F. Starace, “Validity of Factorization of the High-Energy Photoelectron Yield in Above-Threshold Ionization of an Atom by a Short Laser Pulse,” Phys. Rev. Lett.
**108**, 213002 (2012). - J.M. Ngoko Djiokap, S.X. Hu, W.-C. Jiang, L.-Y. Peng, and A.F. Starace, “Enhanced Asymmetry in Few-Cycle Attosecond Pulse Ionization of He in the Vicinity of Autoionizing Resonances,” New J. Phys.
**14**, 095010 (2012). [*Published in the Focus Issue on “Correlation Effects in Radiation Fields.”*] - K. Krajewska, I.I. Fabrikant, and A.F. Starace, “Threshold Effects in Strong-Field Ionization: Energy Shifts and Rydberg Structures,” Phys. Rev. A
**86**, 053410 (2012). - M.V. Frolov, N.L. Manakov, T.S. Sarantseva, and A.F. Starace, “High-Order Harmonic-Generation Spectroscopy with an Elliptically Polarized Laser Field,” Phys. Rev. A
**86**, 063406 (2012).

### 2011

- S.V. Borzunov, N.L. Manakov, A.F. Starace, and M.V. Frolov, “Decay of a Negative Molecular Ion in a Constant Electric Field,” J. Expt. Th. Phys.
**112**, - M. V. Frolov, N. L. Manakov, A. A. Silaev, N. V. Vvedenskii, and A. F. Starace, "High-Order Harmonic Generation by Atoms in a Few-Cycle Laser Pulse: Carrier-Envelope Phase and Many-Electron Effects," Phys. Rev. A
**83**, 021405(R) (2011). - M. V. Frolov, N. L. Manakov, T. S. Sarantseva, and A.F. Starace, “Analytic Confirmation that the Factorized Formula for Harmonic Generation Involves the Exact Photorecombination Cross Section,” Phys. Rev. A
**83**, 043416 (2011). - M. Xu, L.-Y. Peng, Z. Zhang, Q. Gong, X.-M. Tong, E.A. Pronin, and A. F. Starace, “Attosecond Streaking in the Low-Energy Region as a Probe of Rescattering,” Phys. Rev. Lett.
**107**, 183001 (2011). - J.M. Ngoko Djiokap and A.F. Starace, “Evidence of the 2
*s*2*p*(^{1}*P*) Doubly Excited State in the Harmonic Generation Spectrum of He,” Phys. Rev. A**84**, 013404 (2011). - E.A. Pronin, A.F. Starace, and L.-Y. Peng, “Perturbation Theory Analysis of Ionization by a Chirped, Few-Cycle Attosecond Pulse,” Phys. Rev. A
**84**, 013417 (2011). - Z. Zhang, L.-Y. Peng, M.-H. Xu, A. F. Starace, T. Morishita, and Q. Gong, “Two-Photon Double Ionization of Helium: Evolution of the Joint Angular Distribution with Photon Energy and Two-Electron Energy Sharing,” Phys. Rev. A
**84**, 043409 (2011).

### 2010

- M. V. Frolov, N. L. Manakov, and A.F. Starace, “Potential Barrier Effects in High Harmonic Generation by Transition Metal Ions,” Phys. Rev. A
**82**, 023424 (2010). - L.-W. Pi and A.F. Starace, “Potential Barrier Effects in Two-Photon Ionization Processes,” Phys. Rev. A
**82**, 053414 (2010). - H.-C. Shao and A.F. Starace, “Detecting Electron Motion in Atoms and Molecules,” Phys. Rev. Lett.
**105**, 263201 (2010).*This work has been highlighted in Physical Review Focus:**http://focus.aps.org/story/v26/st25**as well as by NSF: http://go.usa.gov/pwn*