Publications

Recent publications

Albrechtsen, S. H., Christensen, J. K., Petersen, C. E., Schouder, C. A., Carchi-Villalta, P. J., Sánchez-Pérez, I., Bartolomei, M., González-Lezana, T., Pirani, F. & Stapelfeldt, H. (2025). Femtosecond-and-atom-resolved solvation dynamics of a Na⁺ ion in a helium nanodroplet. The Journal of Chemical Physics, 162(17), 174309, 1-13. Article 174309. https://doi.org/10.1063/5.0260588

Kristensen, H. H., Kranabetter, L., Ghazaryan, A., Schouder, C. A., Hansen, E., Jensen, F., Zillich, R. E., Lemeshko, M. & Stapelfeldt, H. (2025). Nonadiabatic laser-induced alignment dynamics of alkali-metal dimers on the surface of a helium droplet. Physical Review A, 111(3), Article 033114. https://doi.org/10.1103/PhysRevA.111.033114

Christensen, J. K., Petersen, C. E., Albrechtsen, S. H., Goudot, J., Calvo, F. & Stapelfeldt, H. (2026). Real-time observation of the diffusion-limited formation of a cation-molecule complex. Nature Communications, 17(1), Article 1249. Advance online publication. https://doi.org/10.1038/s41467-025-68008-5

Christensen, J. K., Albrechtsen, S. H., Petersen, C. E., Schouder, C. A., Sánchez-Pérez, I., Carchi-Villalta, P. J., Bartolomei, M., Pirani, F., González-Lezana, T. & Stapelfeldt, H. (2025). Time-resolved solvation dynamics of Li⁺, Na⁺ and K⁺ ions in liquid helium nanodroplets. Physical chemistry chemical physics : PCCP, 27(45), 24184-24194. https://doi.org/10.1039/d5cp03894d

Green, A. E., Chen, K., Bhattacharyya, S., Allum, F., Usenko, S., Ashfold, M. N. R., Baumann, T. M., Borne, K. D., Brouard, M., Burt, M., Curchod, B. F. E., Erk, B., Forbes, R. J. G., Ibele, L. M., Ingle, R. A., Van Sa Lam, H., Li, X., Lin, K., Mazza, T. ... Rolles, D. (2025). Visualizing the Three-Dimensional Arrangement of Hydrogen Atoms in Organic Molecules by Coulomb Explosion Imaging. Journal of the American Chemical Society, 147(41), 37133-37143. https://doi.org/10.1021/jacs.5c08730

Albrechtsen, S. H., Christensen, J. K., Tanyag, R. M. P., Kristensen, H. H. & Stapelfeldt, H. (2024). Laser-induced Coulomb explosion of heteronuclear alkali-metal dimers on helium nanodroplets. Physical Review A, 109(4), Article 043112. https://doi.org/10.1103/PhysRevA.109.043112

Kranabetter, L., Kristensen, H. H., Schouder, C. A. & Stapelfeldt, H. (2024). Structure determination of alkali trimers on helium nanodroplets through laser-induced Coulomb explosion. The Journal of Chemical Physics, 160(13), Article 131101. https://doi.org/10.1063/5.0200389

Jyde, N. K., Kristensen, H. H., Kranabetter, L., Christensen, J. K., Hansen, E., Carlsen, M. B. & Stapelfeldt, H. (2024). Time-resolved Coulomb explosion imaging of vibrational wave packets in alkali dimers on helium nanodroplets. The Journal of Chemical Physics, 161(22), Article 224301. https://doi.org/10.1063/5.0239196

Johny, M., Schouder, C. A., Al-Refaie, A., He, L., Wiese, J., Stapelfeldt, H., Trippel, S. & Küpper, J. (2024). Water is a radiation protection agent for ionised pyrrole. Physical Chemistry Chemical Physics, 26(17), 13118-13130. https://doi.org/10.1039/d3cp03471b

Ulmer, A., Heilrath, A., Senfftleben, B., O'Connell-Lopez, S. M. O., Kruse, B., Seiffert, L., Kolatzki, K., Langbehn, B., Hoffmann, A., Baumann, T. M., Boll, R., Chatterley, A. S., De Fanis, A., Erk, B., Erukala, S., Feinberg, A. J., Fennel, T., Grychtol, P., Hartmann, R. ... Tanyag, R. M. P. (2023). Generation of Large Vortex-Free Superfluid Helium Nanodroplets. Physical Review Letters, 131(7), Article 076002. https://doi.org/10.1103/PhysRevLett.131.076002

Kristensen, H. H., Kranabetter, L., Schouder, C. A., Arlt, J., Jensen, F. & Stapelfeldt, H. (2023). Laser-induced Coulomb explosion imaging of alkali-metal dimers on helium nanodroplets. Physical Review A, 107(2), Article 023104. https://doi.org/10.1103/PhysRevA.107.023104

Kranabetter, L., Kristensen, H. H., Ghazaryan, A., Schouder, C. A., Chatterley, A. S., Janssen, P., Jensen, F., Zillich, R. E., Lemeshko, M. & Stapelfeldt, H. (2023). Nonadiabatic Laser-Induced Alignment Dynamics of Molecules on a Surface. Physical Review Letters, 131(5), Article 053201. https://doi.org/10.1103/PhysRevLett.131.053201

Albrechtsen, S. H., Schouder, C. A., Viñas Muñoz, A., Christensen, J. K., Engelbrecht Petersen, C., Pi, M., Barranco, M. & Stapelfeldt, H. (2023). Observing the primary steps of ion solvation in helium droplets. Nature, 623(7986), 319-323. https://doi.org/10.1038/s41586-023-06593-5

Cherepanov, I. N., Bighin, G., Schouder, C. A., Chatterley, A. S., Stapelfeldt, H. & Lemeshko, M. (2022). A simple model for high rotational excitations of molecules in a superfluid. New Journal of Physics, 24(7), Article 075004. https://doi.org/10.1088/1367-2630/ac8113

Qiang, J., Zhou, L., Lu, P., Lin, K., Ma, Y., Pan, S., Lu, C., Jiang, W., Sun, F., Zhang, W., Li, H., Gong, X., Averbukh, I. S., Prior, Y., Schouder, C. A., Stapelfeldt, H., Cherepanov, I. N., Lemeshko, M., Jäger, W. & Wu, J. (2022). Femtosecond Rotational Dynamics of D2 Molecules in Superfluid Helium Nanodroplets. Physical Review Letters, 128(24), Article 243201. https://doi.org/10.1103/PhysRevLett.128.243201

Nielsen, J. H., Pentlehner, D., Christiansen, L., Shepperson, B., Søndergaard, A. A., Chatterley, A. S., Pickering, J. D., Schouder, C. A., Muñoz, A. V., Kranabetter, L. & Stapelfeldt, H. (2022). Laser-Induced Alignment of Molecules in Helium Nanodroplets. In A. Slenczka & J. P. Toennies (Eds.), Molecules in Superfluid Helium Nanodroplets (pp. 381-445). Springer. https://doi.org/10.1007/978-3-030-94896-2_9

Schouder, C. A., Chatterley, A. S., Pickering, J. D. & Stapelfeldt, H. (2022). Laser-Induced Coulomb Explosion Imaging of Aligned Molecules and Molecular Dimers. Annual Review of Physical Chemistry, 73, 323-347. https://doi.org/10.1146/annurev-physchem-090419-053627

Kristensen, H. H., Kranabetter, L., Schouder, C. A., Stapper, C., Arlt, J., Mudrich, M. & Stapelfeldt, H. (2022). Quantum-state-sensitive detection of alkali dimers on helium nanodroplets by laser-induced Coulomb explosion. Physical Review Letters, 128(9), Article 093201. https://doi.org/10.1103/PhysRevLett.128.093201

Cherepanov, I. N., Bighin, G., Schouder, C. A., Chatterley, A. S., Albrechtsen, S. H., Vinas Munoz, A., Christiansen, L., Stapelfeldt, H. & Lemeshko, M. (2021). Excited rotational states of molecules in a superfluid. Physical Review A, 104(6), Article L061303. https://doi.org/10.1103/PhysRevA.104.L061303

Schouder, C., Chatterley, A. S., Johny, M., Hübschmann, F., Al-Refaie, A. F., Calvo, F., Küpper, J. & Stapelfeldt, H. (2021). Laser-induced Coulomb explosion imaging of (C₆H₅Br)₂and C₆H₅Br-I₂dimers in helium nanodroplets using a Tpx3Cam. Journal of Physics B: Atomic, Molecular and Optical Physics, 54(18), Article 184001. https://doi.org/10.1088/1361-6455/ac04c4

Arlt, J., Singh, D. P., Thompson, J. O. F., Chatterley, A. S., Hockett, P., Stapelfeldt, H. & Reid, K. L. (2021). Photoelectron angular distributions from resonant two-photon ionisation of adiabatically aligned naphthalene and aniline molecules. Molecular Physics, 119(1-2), Article e1836411. https://doi.org/10.1080/00268976.2020.1836411

Chatterley, A. S., Baatrup, M. O., Schouder, C. A. & Stapelfeldt, H. (2020). Laser-induced alignment dynamics of gas phase CS₂ dimers. Physical Chemistry Chemical Physics, 22(6), 3245-3253. https://doi.org/10.1039/c9cp06260b

Schouder, C. A., Chatterley, A. S., Madsen, L. B., Jensen, F. & Stapelfeldt, H. (2020). Laser-induced Coulomb-explosion imaging of the CS₂ dimer: The effect of non-Coulombic interactions. Physical Review A, 102(6), Article 063125. https://doi.org/10.1103/PhysRevA.102.063125

Chatterley, A. S., Christiansen, L., Schouder, C. A., Jørgensen, A. V., Shepperson, B., Cherepanov, I. N., Bighin, G., Zillich, R. E., Lemeshko, M. & Stapelfeldt, H. (2020). Rotational Coherence Spectroscopy of Molecules in Helium Nanodroplets: Reconciling the Time and the Frequency Domains. Physical Review Letters, 125(1), Article 013001. https://doi.org/10.1103/PhysRevLett.125.013001

Kierspel, T., Morgan, A., Wiese, J., Mullins, T., Aquila, A., Barty, A., Bean, R., Boll, R., Boutet, S., Bucksbaum, P., Chapman, H. N., Christensen, L., Fry, A., Hunter, M., Koglin, J. E., Liang, M., Mariani, V., Natan, A., Robinson, J. ... Küpper, J. (2020). X-ray diffractive imaging of controlled gas-phase molecules: Toward imaging of dynamics in the molecular frame. Journal of Chemical Physics, 152(8), Article 084307. https://doi.org/10.1063/1.5133963

All publications

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Pickering, J. D., Shepperson, B., Christiansen, L. & Stapelfeldt, H. (2019). Alignment of the CS₂ dimer embedded in helium droplets induced by a circularly polarized laser pulse. Physical Review A, 99(4), 043403-1 til 043403-6. Article 043403. https://doi.org/10.1103/PhysRevA.99.043403

Karamatskos, E. T., Goldsztejn, G., Raabe, S., Stammer, P., Mullins, T., Trabattoni, A., Johansen, R. R., Stapelfeldt, H., Trippel, S., Vrakking, M. J. J., Küpper, J. & Rouzée, A. (2019). Atomic-resolution imaging of carbonyl sulfide by laser-induced electron diffraction. Journal of Chemical Physics, 150(24), Article 244301. https://doi.org/10.1063/1.5093959

Fischer, J., Schlaghaufer, F., Lottner, E. M., Slenczka, A., Christiansen, L., Stapelfeldt, H., Karra, M., Friedrich, B., Mullan, T., Schütz, M. & Usvyat, D. (2019). Heterogeneous Clusters of Phthalocyanine and Water Prepared and Probed in Superfluid Helium Nanodroplets. The Journal of Physical Chemistry A, 123(46), 10057-10064. https://doi.org/10.1021/acs.jpca.9b07302

Chatterley, A. S., Schouder, C., Christiansen, L., Shepperson, B., Rasmussen, M. H. & Stapelfeldt, H. (2019). Long-lasting field-free alignment of large molecules inside helium nanodroplets. Nature Communications, 10(1), Article 133. https://doi.org/10.1038/s41467-018-07995-0

Karamatskos, E. T., Raabe, S., Mullins, T., Trabattoni, A., Stammer, P., Goldsztejn, G., Johansen, R. R., Długołecki, K., Stapelfeldt, H., Vrakking, M. J. J., Trippel, S., Rouzée, A. & Küpper, J. (2019). Molecular movie of ultrafast coherent rotational dynamics of OCS. Nature Communications, 10(1), Article 3364. https://doi.org/10.1038/s41467-019-11122-y

Schouder, C., Chatterley, A. S., Calvo, F., Christiansen, L. & Stapelfeldt, H. (2019). Structure determination of the tetracene dimer in helium nanodroplets using femtosecond strong-field ionization. Structural Dynamics, 6(4), 1-12. Article 044301. https://doi.org/10.1063/1.5118005

Pickering, J. D., Shepperson, B., Hübschmann, B. A. K., Thorning, F. & Stapelfeldt, H. (2018). Alignment and Imaging of the CS2 Dimer Inside Helium Nanodroplets. Physical Review Letters, 120(11), Article 113202. https://doi.org/10.1103/PhysRevLett.120.113202

Burt, M., Amini, K., Lee, J. W. L., Christiansen, L., Johansen, R. R., Kobayashi, Y., Pickering, J. D., Vallance, C., Brouard, M. & Stapelfeldt, H. (2018). Communication: Gas-phase structural isomer identification by Coulomb explosion of aligned molecules. Journal of Chemical Physics, 148(9), 091102,1-091102,5. Article 091102. https://doi.org/10.1063/1.5023441

Chatterley, A. S., Karamatskos, E. T., Schouder, C., Christiansen, L., Vestergaard Jørgensen, A., Mullins, T., Küpper, J. & Stapelfeldt, H. (2018). Communication: Switched wave packets with spectrally truncated chirped pulses. Journal of Chemical Physics, 148(22), Article 221105. https://doi.org/10.1063/1.5028359

Allum, F., Burt, M., Amini, K., Boll, R., Köckert, H., Olshin, P. K., Bari, S., Bomme, C., Brauße, F., Cunha de Miranda, B., Düsterer, S., Erk, B., Géléoc, M., Geneaux, R., Gentleman, A. S., Goldsztejn, G., Guillemin, R., Holland, D. M. P., Ismail, I. ... Rolles, D. (2018). Coulomb explosion imaging of CH₃I and CH₂CII photodissociation dynamics. Journal of Chemical Physics, 149(20), 204313, 1-10. Article 204313. https://doi.org/10.1063/1.5041381

Pickering, J., Shepperson, B., Christiansen, L. & Stapelfeldt, H. (2018). Femtosecond Laser Induced Coulomb Explosion Imaging of Aligned OCS Oligomers inside Helium Nanodroplets. The Journal of Chemical Physics, 149(15), 154306/1-154306/11. Article 154306. https://doi.org/10.1063/1.5049555

Thomas, E. F., Søndergaard, A. A., Shepperson, B., Henriksen, N. E. & Stapelfeldt, H. (2018). Hyperfine-Structure-Induced Depolarization of Impulsively Aligned I2 Molecules. Physical Review Letters, 120(16), Article 163202. https://doi.org/10.1103/PhysRevLett.120.163202

Shepperson, B., Chatterley, A. S., Christiansen, L., Søndergaard, A. A. & Stapelfeldt, H. (2018). Observation of rotational revivals for iodine molecules in helium droplets using a near-adiabatic laser pulse. Physical Review A, 97(1), Article 013427. https://doi.org/10.1103/PhysRevA.97.013427

Amini, K., Savelyev, E., Brauße, F., Berrah, N., Bomme, C., Brouard, M., Burt, M., Christensen, L., Düsterer, S., Erk, B., Höppner, H., Kierspel, T., Krecinic, F., Lauer, A., Lee, J. W. L., Müller, M., Müller, E., Mullins, T., Redlin, H. ... Boll, R. (2018). Photodissociation of aligned CH₃I and C₆H₃F₂I molecules probed with time-resolved Coulomb explosion imaging by site-selective extreme ultraviolet ionization. Structural Dynamics, 5(1), 014301, 1-14. Article 4998648. https://doi.org/10.1063/1.4998648

Amini, K., Boll, R., Lauer, A., Burt, M., Lee, J. W. L., Christensen, L., Brauβe, F., Mullins, T., Savelyev, E., Ablikim, U., Berrah, N., Bomme, C., Düsterer, S., Erk, B., Höppner, H., Johnsson, P., Kierspel, T., Krecinic, F., Küpper, J. ... Rolles, D. (2017). Alignment, orientation, and Coulomb explosion of difluoroiodobenzene studied with the pixel imaging mass spectrometry (PImMS) camera. Journal of Chemical Physics, 147(1), Article 013933. https://doi.org/10.1063/1.4982220

Burt, M., Boll, R., Lee, J. W. L., Amini, K., Köckert, H., Vallance, C., Gentleman, A. S., Mackenzie, S. R., Bari, S., Bomme, C., Düsterer, S., Erk, B., Manschwetus, B., Müller, E., Rompotis, D., Savelyev, E., Schirmel, N., Techert, S., Treusch, R. ... Rolles, D. (2017). Coulomb-explosion imaging of concurrent CH2 BrI photodissociation dynamics. Physical Review A, 96(4), Article 043415. https://doi.org/10.1103/PhysRevA.96.043415

Savelyev, E., Boll, R., Bomme, C., Schirmel, N., Redlin, H., Erk, B., Düsterer, S., Müller, E., Höppner, H., Toleikis, S., Müller, J., Kristin Czwalinna, M., Treusch, R., Kierspel, T., Mullins, T., Trippel, S., Wiese, J., Küpper, J., Braue, F. ... Rolles, D. (2017). Jitter-correction for IR/UV-XUV pump-probe experiments at the FLASH free-electron laser. New Journal of Physics, 19(4), Article 043009. https://doi.org/10.1088/1367-2630/aa652d

Shepperson, B., Sondergaard, A. A., Christiansen, L., Kaczmarczyk, J., Zillich, R. E., Lemeshko, M. & Stapelfeldt, H. (2017). Laser-Induced Rotation of Iodine Molecules in Helium Nanodroplets: Revivals and Breaking Free. Physical Review Letters, 118(20), Article 203203. https://doi.org/10.1103/PhysRevLett.118.203203

Sondergaard, A. A., Shepperson, B. & Stapelfeldt, H. (2017). Nonadiabatic laser-induced alignment of molecules: Reconstructing <cos(2) theta > directly from <cos(2) theta(2D)> by Fourier analysis. Journal of Chemical Physics, 147(1), Article 013905. https://doi.org/10.1063/1.4975817

Savelyev, E., Amini, K., Brauße, F., Berrah, N., Bomme, C., Brouard, M., Burt, M., Christensen, L., Düsterer, S., Erk, B., Höppner, H., Kierspel, T., Krecinic, F., Lauer, A., Lee, J. W. L., Müller, M., Müller, E., Mullins, T., Redlin, H. ... Boll, R. (2017). Probing the UV-Induced Photodissociation of CH₃I and C₆H₃F₂I with Femtosecond Time-Resolved Coulomb Explosion Imaging at FLASH. ArXiv. https://arxiv.org/pdf/1708.00676.pdf

Søndergaard, A. A., Zillich, R. E. & Stapelfeldt, H. (2017). Rotational dissociation of impulsively aligned van der Waals complexes. Journal of Chemical Physics, 147(7), 074304, 1-9. Article 074304. https://doi.org/10.1063/1.4990616

Shepperson, B., Chatterley, A. S., Søndergaard, A. A., Christiansen, L., Lemeshko, M. & Stapelfeldt, H. (2017). Strongly aligned molecules inside helium droplets in the near-adiabatic regime. Journal of Chemical Physics, 147(1), Article 013946. https://doi.org/10.1063/1.4983703

Chatterley, A. S., Shepperson, B. & Stapelfeldt, H. (2017). Three-Dimensional Molecular Alignment Inside Helium Nanodroplets. Physical Review Letters, 119(7), Article 073202. https://doi.org/10.1103/PhysRevLett.119.073202

Johansen, R. R., Bay, K. G., Christensen, L., Thøgersen, J., Dimitrovski, D., Madsen, L. B. & Stapelfeldt, H. (2016). Alignment-dependent strong-field ionization yields of carbonyl sulfide molecules induced by mid-infrared laser pulses. Journal of Physics B: Atomic, Molecular and Optical Physics, 49(20), Article 205601. https://doi.org/10.1088/0953-4075/49/20/205601

Christensen, L., Christiansen, L., Shepperson, B. & Stapelfeldt, H. (2016). Deconvoluting nonaxial recoil in Coulomb explosion measurements of molecular axis alignment. Physical Review A, 94(2), Article 023410. https://doi.org/10.1103/PhysRevA.94.023410

Displaying results 1 to 50 out of 134

Revised 13.01.2026

Department of Chemistry