Publications

Journal Articles

[19] G. KIM, C. HOFMANN, A.S. MAXWELL, AND C. FIGUEIRA DE MORISSON FARIA, Twisted quantum interference in photoelectron holography with elliptically polarized fields, Physical Review A, 106 (2022), p. 043112, doi:10.1103/PhysRevA.106.043112.
[18] C. HOFMANN, A. BRAY, W. KOCH, H. NI, AND N.I. SHVETSOV-SHILOVSKI, Quantum battles in attoscience: tunnelling, Eur. Phys. J. D, 75 (2021), p. 208, doi:10.1140/epjd/s10053-021-00224-2.
[17] L. ORTMANN, C. HOFMANN, I.A. IVANOV, ANDA.S. LANDSMAN, Controlling quantum numbers and light emission of Rydberg states via the laser pulse duration, Physical Review A, 103 (2021), p. 063112, doi:10.1103/PhysRevA.103.063112.
[16] I.N. ANSARI, C. HOFMANN, L. MEDIŠAUSKAS, M. LEWENSTEIN, M.F. CIAPPINA, AND G. DIXIT, Controlling polarization of attosecond pulses with plasmonic-enhanced bichromatic counter-rotating circularly polarized fields, Physical Review A, 103 (2021), p. 013104, doi:10.1103/PhysRevA.103.013104.
[15] C. HOFMANN, A. S. LANDSMAN, AND U. KELLER, Attoclock revisited on electron tunnelling time, Journal of Modern Optics, 66 (2019), pp. 1052–1070, doi:10.1080/09500340.2019.1596325.
[14] I. A. IVANOV, C. HOFMANN, L. ORTMANN, A. S. LANDSMAN, C. H. NAM, AND K. T. KIM, Instantaneous ionization rate as a functional derivative, Communications Physics, 1 (2018), p. 81, doi:10.1038/s42005-018-0085-5.
[13] L. ORTMANN, C. HOFMANN, AND A. S. LANDSMAN, Erratum: Dependence of Rydberg-state creation by strong-field ionization on laser intensity [Phys. Rev. A 98 , 033415 (2018)], Physical Review A, 99 (2019), p. 019901, doi:10.1103/PhysRevA.99.019901.
[12] L. ORTMANN, C. HOFMANN, AND A. S. LANDSMAN, Dependence of Rydberg-state creation by strong-field ionization on laser intensity, Physical Review A, 98 (2018), p. 033415, doi:10.1103/PhysRevA.98.033415.
[11] C. HOFMANN, A. LANDSMAN, AND U. KELLER, Disentangling Long Trajectory Contributions in Two-Colour High Harmonic Generation, Applied Sciences, 8 (2018), p. 341, doi:10.3390/app8030341.
[10] M. P. BIRCHER, E. LIBERATORE, N. J. BROWNING, S. BRICKEL, C. HOFMANN, A. PATOZ, O. T. UNKE, T. ZIMMERMANN, M. CHERGUI, P. HAMM, U. KELLER, M. MEUWLY, H.-J. WOERNER, J. VAN’ICEK, AND U. ROTHLISBERGER, Nonadiabatic effects in electronic and nuclear dynamics, Structural Dynamics, 4 (2017), p. 061510, doi:10.1063/1.4996816.
[09] C. HOFMANN, Attosecond electron dynamics in strong-field ionization, doctoral thesis, ETH Zurich, 2016, doi:10.3929/ethz-a-010859956.
[08] C. HOFMANN, T. ZIMMERMANN, A. ZIELINSKI, AND A. S. LANDSMAN, Non-adiabatic imprints on the electron wave packet in strong field ionization with circular polarization, New Journal of Physics, 18 (2016), p. 043011, doi:10.1088/1367-2630/18/4/043011.
[07] A. EMMANOUILIDOU, A. CHEN, C. HOFMANN, U. KELLER, AND A. S. LANDSMAN, The effect of electron-electron correlation on the attoclock experiment, J. Phys. B: At. Mol. Opt. Phys., 48 (2015), p. 245602, doi:10.1088/0953-4075/48/24/245602.
[06] C. HOFMANN, A. LANDSMAN, A. ZIELINSKI, C. CIRELLI, A. SCRINZI, AND U. KELLER, Non-adiabatic Effects in Electron Momenta, in Ultrafast Phenomena XIX, L. Yamanouchi, Kaoru and Cundiff, Steven and de Vivie-Riedle, Regina and Kuwata-Gonokami, Makoto and DiMauro, ed., vol. 162 of Springer Proceedings in Physics, Springer International Publishing, 2015, pp. 105-108, doi:10.1007/978-3-319-13242-6_25.
[05] C. HOFMANN, A. S. LANDSMAN, A. ZIELINSKI, C. CIRELLI, T. ZIMMERMANN, A. SCRINZI, AND U. KELLER, Interpreting electron-momentum distributions and nonadiabaticity in strong-field ionization, Physical Review A, 90 (2014), p. 043406, doi:10.1103/PhysRevA.90.043406.
[04] A. S. LANDSMAN, C. HOFMANN, A. N. PFEIFFER, C. CIRELLI, AND U. KELLER, Unified Approach to Probing Coulomb Effects in Tunnel Ionization for Any Ellipticity of Laser Light, Physical Review Letters, 111 (2013), p. 263001, doi:10.1103/PhysRevLett.111.263001.
[03] C. HOFMANN, A. S. LANDSMAN, C. CIRELLI, A. N. PFEIFFER, AND U. KELLER, Comparison of different approaches to the longitudinal momentum spread after tunnel ionization, J. Phys. B: At. Mol. Opt. Phys., 46 (2013), p. 125601, doi:10.1088/0953-4075/46/12/125601.
Chosen for IOPselect and J. Phys. B: At. Mol. Opt. Phys. Highlights of 2013.
[02] A. S. LANDSMAN, A. N. PFEIFFER, C. HOFMANN, M. SMOLARSKI, C. CIRELLI, AND U. KELLER, Rydberg state creation by tunnel ionization, New Journal of Physics, 15 (2013), p. 013001, doi:10.1088/1367-2630/15/1/013001.
Chosen for NJP Highlights of 2013 and Atomic and Molecular physics highlights from 2013 of all IOP publications.
[01] C. VOCKENHUBER, M. CHRISTL, C. HOFMANN, J. LACHNER, A. M. M”ULLER, AND H.-A. SYNAL, Accelerator mass spectrometry of 236U at low energies, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 269 (2011), pp. 3199-3203, doi:10.1016/j.nimb.2011.04.026.
(ECAART10).

Conference Contributions

Poster Gallery

[C15] I.N. ANSARI, C. HOFMANN, L. MEDIŠAUSKAS, M. LEWENSTEIN, M.F. CIAPPINA, AND G. DIXIT, Controlling polarization of attosecond pulses with plasmonic-enhanced bichromatic counter-rotating circularly polarized fields, CLEO Europe, (2021).
(Poster).
[C14] C. HOFMANN, N. SHVETSOV-SHILOVSKI, A. BRAY, H. NI, W. KOCH, Quantum Battle 1 — Tunnelling time, Quantum Battles in Attoscience, (2020), Video.
(invited debate).
[C13] C. HOFMANN, A. S. LANDSMAN, AND U. KELLER, Attoclock revisited on electron tunnelling time, Time and Fundamentals of Quantum Mechanics, (2019).
(Poster).
[C12] C. HOFMANN, L. MEDIŠAUSKAS, AND J.-M. ROST, Complex scaling in non-hermitian 2-level hamil- tonian, International Workshop on Atomic Physics, (2018).
(Poster).
[C11] C. HOFMANN, A. S. LANDSMAN, AND U. KELLER, Attoclock Revisited, International Conference on Extreme Light, (2017).
(Invited Talk).
[C10] C. HOFMANN, A. S. LANDSMAN, AND U. KELLER, Attoclock revisited, 6th international conference on Attosecond physics, (2017).
(Poster).
[C9] C. HOFMANN, T. ZIMMERMANN, AND A. S. LANDSMAN, Non-adiabatic imprints on the photoelectron momentum distributions in strong field ionization, 18th Gordon Research Conference on Multiphoton Processes, (2016).
(Poster).
[C8] C. HOFMANN, A. S. LANDSMAN, H. SOIFER, D. SHAFIR, B. BRUNER, N. DUDOVICH, AND U. KELLER, Disentangling contributing factors to electron trajectories in two-colour high harmonic generation using semiclassical simulations, 5th international conference on Attosecond physics, (2015).
(Poster).
[C7] C. HOFMANN, A. S. LANDSMAN, H. SOIFER, D. SHAFIR, B. BRUNER, N. DUDOVICH, AND U. KELLER, Effects of the coulomb potential on the high harmonic spectrum, Novel Light Sources from Laser-Plasma Interactions, (2015).
(Poster).
[C6] C. HOFMANN, A. S. LANDSMAN, H. SOIFER, N. DUDOVICH, AND U. KELLER, Effects of the coulomb potential on the high harmonic spectrum, Ultrafast Dynamic Imaging of Matter, (2015).
(Poster).
[C5] C. HOFMANN, A. S. LANDSMAN, R. BOGE, S. HEUSER, C. CIRELLI, M. WEGER, A. LUDWIG, J. MAURER, L. GALLMANN, AND U. KELLER, Studying momentum distributions in all aspects reveals important insight, International Workshop on Atomic Physics, (2014).
(Poster).
[C4] C. HOFMANN, A. S. LANDSMAN, C. CIRELLI, AND U. KELLER, Non-adiabatic effects in electron momenta, 19th International Conference on Ultrafast Phenomena, (2014), p. 08.Tue.P2.10, doi:10.1364/UP.2014.08.Tue.P2.10.
(Poster).
[C3] C. HOFMANN, A. S. LANDSMAN, A. ZIELINSKI, C. CIRELLI, A. N. PFEIFFER, A. SCRINZI, AND U. KELLER, Longitudinal momentum spread and non-adiabaticity, 17th Gordon Research Conference on Multiphoton Processes, (2014).
(Poster).
[C2] C. HOFMANN, A. S. LANDSMAN, R. BOGE, S. HEUSER, C. CIRELLI, M. WEGER, A. LUDWIG, J. MAURER, L. GALLMANN, AND U. KELLER, Studying momentum distributions in all aspects reveals important insight, CLEO: 2014, (2014), p. JTu4A.1, doi:10.1364/CLEO_AT.2014.JTu4A.1.
(Poster).
[C1] C. HOFMANN, A. S. LANDSMAN, C. CIRELLI, A. N. PFEIFFER, AND U. KELLER, Longitudinal momentum spread at tunnel exit, 4th international conference on Attosecond physics, (2013).
(Poster).