Voitkiv, A. B.; Grün, N.; Ullrich, J.: Compton scattering by a bound electron in the presence of a low-frequency electromagnetic field. Journal of Physics B: Atomic, Molecular and Optical Physics 37 (13), S. 2641 - 2648 (2004)

Wagenblast, P. C.; Ko, T. H.; Fujimoto, J. G.; Kaertner, F. X.; Morgner, U.: Ultrahigh-resolution ophthalmic optical coherence tomography with a diode-pumped broadband Cr:LiCAF laser. Optics Express 12 (14), S. 3257 - 3263 (2004)

Aharonian, F. A.; Akhperjanian, A. G.; Beilicke, M.; Bernlöhr, K.; Bojahr, H.; Bolz, O.; Börst, H.; Coarasa, T.; Contreras, J. L.; Cortina, J. et al.; Denninghoff, S.; Fonseca, V.; Girma, M.; Gotting, N.; Heinzelmann, G.; Hermann, G.; Heusler, A.; Hofmann, W.; Horns, D.; Jung, I.; Kankanyan, R.; Kestel, M.; Kettler, J.; Kohnle, A.; Konopelko, A.; Kornmeyer, H.; Kranich, D.; Krawczynski, H.; Lampeitl, H.; Lopez, M.; Lorenz, E.; Lucarelli, F.; Mang, O.; Meyer, H.; Mirzoyan, R.; Moralejo, A.; Ona, E.; Panter, M.; Plyasheshnikov, A.; Pühlhofer, G.; Rauterberg, G.; Reyes, R.; Rhode, W.; Ripken, J.; Rohring, A.; Rowell, G. P.; Sahakian, V.; Samorski, M.; Schilling, M.; Schweizer, T.; Sevilla, I.; Siems, M.; Sobczynska, D.; Stamm, W.; Tluczykont, M.; Tonello, N.; Vitale, V.; Völk, H.J.; Wagner, R.M.; Wiedner, C.A.; Wittek, W.: Observations of 54 Active Galactic Nuclei with the HEGRA System of Cherenkov Telescopes. Astronomy & Astrophysics 421 (2), S. 529 - 537 (2004)

Henrich, B.; Hatsagortsyan, K. Z.; Keitel, C. H.: Positronium in Intense Laser Fields. Physical Review Letters 93 (1), 013601 (2004)

Escrig, D.; Jungclaus, A.; Binder, B.; Dietrich, A.; Härtlein, T.; Bauer, H.; Gund, C.; Pansegrau, D.; Schwalm, D.; Bazzacco, D. et al.; de Angelis, G.; Farnea, E.; Gadea, A.; Lunardi, S.; Napoli, D.R.; Rossi-Alvarez, C.; Ur, C.: Rotational bands in neutron-rich ^160,161,162 Ho. The European Physical Journal A - Hadrons and Nuclei 21 (1), S. 67 - 74 (2004)

Killi, A.; Morgner, U.; Lederer, M.J.; Kopf, D.: Diode-pumped femtosecond laser oscillator with cavity dumping. Optics Letters 29 (11), S. 1288 - 1290 (2004)

Schwalm, D.; Fleischer, F.; Lestinsky, M.; Degreif, K.; Gwinner, G.; Liechtenstein, V.; Plenge, F.; Scheit, H.: Towards a new measurement of the decay rate of the negative Positronium Ion Ps^-. Proceedings of the XII International Workshop on Positron and Positronium Physics, S. 185 - 194 (2004)

Zhang, X.; Crespo López-Urrutia, J. R.; Guo, P.; Mironov, V.; Shi, X.; González Martínez, A. J.; Tawara, H.; Ullrich, J.: Experimental study of the deep-lying dielectronic recombination resonances of He-like germanium ions. Journal of Physics B: Atomic, Molecular and Optical Physics 37 (11), S. 2277 - 2284 (2004)

Macovei, M.; Evers, J.: Phase dependence of collective fluorescence via interferences from incoherent pumping. Optics Communications 240 (4-6), S. 379 - 384 (2004)

Fischer, M.; Kolachevsky, N.; Zimmermann, M.; Holzwarth, R.; Udem, T.; Hänsch, T. W.; Abgrall, M.; Grünert, J.; Maksimovic, I.; Bize, S. et al.; Marion, H.; Pereira Dos Santos, F.; Lemonde, P.; Santarelli, G.; Laurent, P.; Clairon, A.; Salomon, C.; Haas, M.; Jentschura, U. D.; Keitel, C. H.: New Limits on the Drift of Fundamental Constants from Laboratory Measurements. Physical Review Letters 92 (23), 230802 (2004)

Klapdor-Kleingrothaus, H. V.; Tomei, C.; Krivosheina, I.V.; Chkvorets, O.: The GENIUS-test-facility: First results on background from Rn-222 daughters. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 530, S. 410 - 418 (2004)

Berezhko, E.G.; Völk, H.J.: Direct evidence of efficient cosmic ray acceleration and magnetic field amplification in Cassiopeia A. Astronomy & Astrophysics 419 (3), S. L27 - L30 (2004)

Glasmacher, U. A.; Matenaar, I.; Bauer, W.; Puchkov, V. N.: Diagenesis and incipient metamorphism in the western fold-and-thrust belt, SW Urals, Russia. International Journal of Earth Sciences 93 (3), S. 361 - 383 (2004)

Harney, H.L.; Heiss, W.D.: Time Reversal and Exceptional Points. The European Physical Journal D 29 (3), S. 429 - 432 (2004)

Lang, M.; Glasmacher, U. A.; Moine, B.; Neumann, R.; Wagner, G. A.: Etch-pit morphology of tracks caused by swift heavy ions in natural dark mica. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials & Atoms 218 (1-3), S. 466 - 471 (2004)

Tuffs, R.J.; Popescu, C.C.; Völk, H.J.; Kylafis, N.D.; Dopita, M.A.: Modelling the spectral energy distribution of galaxies. III. Attennuation of stellar light in spiral galaxies. Astronomy & Astrophysics 419 (3), S. 821 - 835 (2004)

Wehry, A.; Krüger, H.; Grün, E.: Analysis of Ulysses data: Radiation pressure effects of dust particles. Astronomy and Astrophysics 419 (3), S. 1169 - 1174 (2004)

Voitkiv, A.B.; Najjari, B.; Ullrich, J.: Mutual projectile-target ionization via the two-center dielectronic interaction in relativistic ion-atom collisions. Physical Review Letters 92 (21), 213202 (2004)

Dembowski, C.; Dietz, B.; Gräf, H.D.; Harney, H.L.; Heine, A.; Heiss, W.D.; Richter, A.: Encircling an Exceptional Point. Physical Review E 69, 056216 (2004)

Dembowski, C.; Dietz, B.; Gräf, H.-D.; Harney, H. L.; Heine, A.; Heiss, W. D.; Richter, A.: Encircling an exceptional point. Physical Review E 69, 056216, S. 1 - 7 (2004)