Walther, H.: Generation of photon number states on demand. Journal of Modern Optics 51 (12), pp. 1859 - 1872 (2004)

Gabrielse, G.; Speck, A.; Storry, C. H.; LeSage, D.; Guise, N.; Grzonka, D.; Oelert, W.; Schepers, G.; Sefzick, T.; Pittner, H. et al.; Walz, J.; Hänsch, T. W.; Comeau, D.; Hessels, E. A.: First measurement of the velocity of slow antihydrogen atoms. Physical Review Letters 93 (7), 073401 (2004)

Legero, T.; Wilk, T.; Hennrich, M.; Rempe, G.; Kuhn, A.: Quantum beat of two single photons. Physical Review Letters 93 (7), 070503 (2004)

Rom, T.; Best, T.; Mandel, O.; Widera, A.; Greiner, M.; Hänsch, T. W.; Bloch, I.: State Selective Production of Molecules in Optical Lattices. Physical Review Letters 93 (7), 073002 (2004)

Oxley, P.; Bowden, N. S.; Parrott, R.; Speck, A.; Storry, C. H.; Tan, J. N.; Wessels, M.; Gabrielse, G.; Grzonka, D.; Oelert, W. et al.; Schepers, G.; Sefzick, T.; Walz, J.; Pittner, H.; Hänsch, T. W.; Hessels, E. A.: Aperture method to determine the density and geometry of antiparticle plasmas. Physics Letters B 595, pp. 60 - 67 (2004)

Fernandes, L. M. P.; Lopes, J. A. M.; dos Santos, J. M. F.; Knowles, P. E.; Ludhova, L.; Mulhauser, F.; Kottmann, F.; Pohl, R.; Taqqu, D.: LAAPD low temperature performance in X-ray and visible-light detection. IEEE Transactions on Nuclear Science 51 (4), pp. 1575 - 1580 (2004)

Hennrich, M.; Legero, T.; Kuhn, A.; Rempe, G.: Photon statistics of a non-stationary periodically driven single-photon source. New Journal of Physics 6, 86 (2004)

Keller, M.; Lange, B.; Hayasaka, K.; Lange, W.; Walther, H.: A calcium ion in a cavity as a controlled single-photon source. New Journal of Physics 6, 95 (2004)

Varcoe, B. T. H.; Brattke, S.; Walther, H.: The creation and detection of arbitrary photon number states using cavity QED. New Journal of Physics 6, 97 (2004)

Kaluza, M.; Schreiber, J.; Santala, M. I. K.; Tsakiris, G. D.; Eidmann, K.; Meyer-ter-Vehn, J.; Witte, K. J.: Influence of the laser prepulse on proton acceleration in thin-foil experiments. Physical Review Letters 93 (4), 045003 (2004)

Santos, L.; Baranov, M. A.; Cirac, J. I.; Everts, H. U.; Fehrmann, H.; Lewenstein, M.: Atomic quantum gases in Kagomé lattices. Physical Review Letters 93 (3), 030601 (2004)

Dür, W.; Cirac, J. I.; Horodecki, P.: Nonadditivity of quantum capacity for multiparty communication channels. Physical Review Letters 93 (2), 020503 (2004)

Keilmann, F.; Gohle, C.; Holzwarth, R.: Time-domain mid-infrared frequency-comb spectrometer. Optics Letters 29 (13), pp. 1542 - 1544 (2004)

Witte, T.; Yeston, J. S.; Motzkus, M.; Heilweil, E. J.; Kompa, K.-L.: Femtosecond infrared coherent excitation of liquid phase vibrational population distributions (v > 5). Chemical Physics Letters 392 (1-3), pp. 156 - 161 (2004)

Fernandez, A.; Fuji, T.; Poppe, A.; Fürbach, A.; Krausz, F.; Apolonski, A.: Chirped-pulse oscillators: a route to high-power femtosecond pulses without external amplification. Optics Letters 29 (12), pp. 1366 - 1368 (2004)

Eiermann, B.; Anker, T.; Albiez, M.; Taglieber, M.; Treutlein, P.; Marzlin, K. P.; Oberthaler, M. K.: Bright Bose-Einstein gap solitons of atoms with repulsive interaction. Physical Review Letters 92 (23), 230401 (2004)

Fischer, M.; Kolachevsky, N.; Zimmermann, M.; Holzwarth, R.; Udem, T.; Hänsch, T. W.; Abgrall, M.; Grunert, J.; Maksimovic, I.; Bize, S. et al.; Marion, H.; Dos Santos, F. P.; 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)

Moreno, E.; Garcia-Vidal, F. J.; Erni, D.; Cirac, J. I.; Martin-Moreno, L.: Theory of Plasmon-Assisted Transmission of Entangled Photons. Physical Review Letters 92 (23), 236801 (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)

Junglen, T.; Rieger, T.; Rangwala, S. A.; Pinkse, P. W. H.; Rempe, G.: Two-dimensional trapping of dipolar molecules in time-varying electric fields. Physical Review Letters 92 (22), 223001 (2004)