
Barwick, B., Flannigan, D. J. & Zewail, A. H. Photon-induced near-field electron microscopy. Nature 462, 902–906 (2009).
Google Scholar
Zewail, A. H. Four-dimensional electron microscopy. Science 328, 187–193 (2010).
Google Scholar
Hassan, M. T., Baskin, J. S., Liao, B. & Zewail, A. H. High-temporal-resolution electron microscopy for imaging ultrafast electron dynamics. Nat. Photonics 11, 425–430 (2017).
Google Scholar
Kurman, Y. et al. Spatiotemporal imaging of 2D polariton wave packet dynamics using free electrons. Science 372, 1181–1186 (2021).
Google Scholar
Gulde, M. et al. Ultrafast low-energy electron diffraction in transmission resolves polymer/graphene superstructure dynamics. Science 345, 200–204 (2014).
Google Scholar
Priebe, K. E. et al. Attosecond electron pulse trains and quantum state reconstruction in ultrafast transmission electron microscopy. Nat. Photonics 11, 793–797 (2017).
Google Scholar
Domroese, T. et al. Light-induced hexatic state in a layered quantum material. Nat. Mater. 22, 1345–1351 (2023).
Google Scholar
Horstmann, J. G. et al. Coherent control of a surface structural phase transition. Nature 583, 232–234 (2020).
Google Scholar
Danz, T., Domrose, T. & Ropers, C. Ultrafast nanoimaging of the order parameter in a structural phase transition. Science 371, 371–374 (2021).
Google Scholar
Kim, H. et al. Attosecond field emission. Nature 613, 662–666 (2023).
Google Scholar
Dienstbier, P. et al. Tracing attosecond electron emission from a nanometric metal tip. Nature 616, 702–706 (2023).
Google Scholar
Herink, G., Solli, D. R., Gulde, M. & Ropers, C. Field-driven photoemission from nanostructures quenches the quiver motion. Nature 483, 190–193 (2012).
Google Scholar
Krueger, M., Schenk, M. & Hommelhoff, P. Attosecond control of electrons emitted from a nanoscale metal tip. Nature 475, 78–81 (2011).
Google Scholar
Corkum, P. B. Plasma perspective on strong-field multiphoton ionization. Phys. Rev. Lett. 71, 1994–1997 (1993).
Google Scholar
Paulus, G. G., Becker, W. & Walther, H. Classical rescattering effects in 2-color above-threshold ionization. Phys. Rev. A 52, 4043–4053 (1995).
Google Scholar
Bormann, R., Gulde, M., Weismann, A., Yalunin, S. V. & Ropers, C. Tip-enhanced strong-field photoemission. Phys. Rev. Lett. 105, 147601 (2010).
Google Scholar
Yanagisawa, H. et al. Optical control of field-emission sites by femtosecond laser pulses. Phys. Rev. Lett. 103, 257603 (2009).
Google Scholar
Hommelhoff, P., Sortais, Y., Aghajani-Talesh, A. & Kasevich, M. A. Field emission tip as a nanometer source of free electron femtosecond pulses. Phys. Rev. Lett. 96, 077401 (2006).
Google Scholar
Ropers, C., Solli, D. R., Schulz, C. P., Lienau, C. & Elsaesser, T. Localized multiphoton emission of femtosecond electron pulses from metal nanotips. Phys. Rev. Lett. 98, 043907 (2007).
Google Scholar
Musumeci, P. et al. Multiphoton photoemission from a copper cathode illuminated by ultrashort laser pulses in an RF photoinjector. Phys. Rev. Lett. 104, 084801 (2010).
Google Scholar
Shafir, D. et al. Resolving the time when an electron exits a tunnelling barrier. Nature 485, 343–346 (2012).
Google Scholar
Pedatzur, O. et al. Attosecond tunnelling interferometry. Nat. Phys. 11, 815–819 (2015).
Google Scholar
Nabben, D., Kuttruff, J., Stolz, L., Ryabov, A. & Baum, P. Attosecond electron microscopy of sub-cycle optical dynamics. Nature 619, 63–67 (2023).
Google Scholar
Schenk, M., Krueger, M. & Hommelhoff, P. Strong-field above-threshold photoemission from sharp metal tips. Phys. Rev. Lett. 105, 257601 (2010).
Google Scholar
Li, C. et al. Extreme nonlinear strong-field photoemission from carbon nanotubes. Nat. Commun. 10, 4891 (2019).
Google Scholar
Li, C. et al. Carbon nanotubes as an ultrafast emitter with a narrow energy spread at optical frequency. Adv. Mater. 29, 1701580 (2017).
Google Scholar
De Jonge, N. et al. High brightness electron beam from a multi-walled carbon nanotube. Nature 420, 393–395 (2002).
Google Scholar
De Jonge, N. & Bonard, J. M. Carbon nanotube electron sources and applications. Philos. Trans. R. Soc. Lond. A 362, 2239–2266 (2004).
Google Scholar
Saito, Y. & Uemura, S. Field emission from carbon nanotubes and its application to electron sources. Carbon 38, 169–182 (2000).
Google Scholar
Achermann, M., Bartko, A. P., Hollingsworth, J. A. & Klimov, V. I. The effect of Auger heating on intraband carrier relaxation in semiconductor quantum rods. Nat. Phys. 2, 557–561 (2006).
Google Scholar
Keldysh, L. Ionization in the field of a strong electromagnetic wave. Sov. Phys. JETP 20, 1307–1314 (1965).
Bunkin, F. & Fedorov, M. Cold emission of electrons from the surface of a metal in a strong radiation field. Sov. Phys. JETP 21, 896 (1965).
Zhang, P. & Lau, Y. Y. Ultrafast strong-field photoelectron emission from biased metal surfaces: exact solution to time-dependent Schrödinger equation. Sci. Rep. 6, 19894 (2016).
Google Scholar
Piglosiewicz, B. et al. Carrier-envelope phase effects on the strong-field photoemission of electrons from metallic nanostructures. Nat. Photonics 8, 37–42 (2014).
Google Scholar
Bionta, M. R. et al. On-chip sampling of optical fields with attosecond resolution. Nat. Photonics 15, 456–460 (2021).
Google Scholar
Tan, S. J., Argondizzo, A., Wang, C., Cui, X. F. & Petek, H. Ultrafast multiphoton thermionic photoemission from graphite. Phys. Rev. X 7, 011004 (2017).
Liu, K. H. et al. Quantum-coupled radial-breathing oscillations in double-walled carbon nanotubes. Nat. Commun. 4, 1375 (2013).
Google Scholar
Kresse, G. & Furthmüller, J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54, 11169 (1996).
Google Scholar
Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865 (1996).
Google Scholar
Andrade, X. et al. Real-space grids and the Octopus code as tools for the development of new simulation approaches for electronic systems. Phys. Chem. Chem. Phys. 17, 31371–31396 (2015).
Google Scholar
Onida, G., Reining, L. & Rubio, A. Electronic excitations: density-functional versus many-body Green’s-function approaches. Rev. Mod. Phys. 74, 601 (2002).
Google Scholar
D’Agosta, R. & Vignale, G. Relaxation in time-dependent current-density-functional theory. Phys. Rev. Lett. 96, 016405 (2006).
Google Scholar
Hartwigsen, C., Gœdecker, S. & Hutter, J. Relativistic separable dual-space Gaussian pseudopotentials from H to Rn. Phys. Rev. B 58, 3641 (1998).
Google Scholar
De Giovannini, U., Larsen, A. H. & Rubio, A. Modeling electron dynamics coupled to continuum states in finite volumes with absorbing boundaries. Eur. Phys. J. B 88, 56 (2015).
Google Scholar
Wang, F. et al. The optical resonances in carbon nanotubes arise from excitons. Science 308, 838–841 (2005).
Google Scholar
Maultzsch, J. et al. Exciton binding energies in carbon nanotubes from two-photon photoluminescence. Phys. Rev. B 72, 241402 (2005).
Google Scholar