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

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)

Treutlein, P.; Hommelhoff, P.; Steinmetz, T.; Hänsch, T. W.; Reichel, J.: Coherence in microchip traps. Physical Review Letters 92 (20), 203005 (2004)

Paredes, B.; Widera, A.; Murg, V.; Mandel, O.; Fölling, S.; Cirac, J. I.; Shlyapnikov, G. V.; Hänsch, T. W.; Bloch, I.: Tonks-Girardeau gas of ultracold atoms in an optical lattice. Nature 429 (6989), pp. 277 - 281 (2004)

Schwedes, C.; Becker, T.; von Zanthier, J.; Walther, H.; Peik, E.: Laser sideband cooling with positive detuning. Physical Review A 69 (5), 053412 (2004)

Eremina, E.; Liu, X.; Rottke, H.; Sandner, W.; Schätzel, M. G.; Dreischuh, A.; Paulus, G. G.; Walther, H.; Moshammer, R.; Ullrich, J.: Influence of molecular structure on double ionization of N-2 and O-2 by high intensity ultrashort laser pulses. Physical Review Letters 92 (17), 173001 (2004)

Widera, A.; Mandel, O.; Greiner, M.; Kreim, S.; Hänsch, T. W.; Bloch, I.: Entanglement interferometry for precision measurement of atomic scattering properties. Physical Review Letters 92 (16), 160406 (2004)

Ariunbold, G. O.; Agarwal, G. S.; Wang, Z.; Scully, M. O.; Walther, H.: Nanosecond dynamics of single-molecule fluorescence resonance energy transfer. Journal of Physical Chemistry A 108 (13), pp. 2402 - 2404 (2004)

Centurion, M.; Pu, Y.; Liu, Z.; Psaltis, D.; Hänsch, T. W.: Holographic recording of laser-induced plasma. Optics Letters 29 (7), pp. 772 - 774 (2004)

Dombi, P.; Apolonski, A.; Lemell, C.; Paulus, G. G.; Kakehata, M.; Holzwarth, R.; Udem, T.; Torizuka, K.; Burgdorfer, J.; Hänsch, T. W. et al.; Krausz, F.: Direct measurement and analysis of the carrier-envelope phase in light pulses approaching the single-cycle regime. New Journal of Physics 6, 39 (2004)

Dombi, P.; Apolonski, A.; Lemell, C.; Paulus, G. G.; Kakehata, M.; Holzwarth, R.; Udem, T.; Torizuka, K.; Burgdorfer, J.; Hänsch, T. W. et al.; Krausz, F.: Direct measurement and analysis of the carrier-envelope phase in light pulses approaching the single-cycle regime. New Journal of Physics 6, 39 (2004)

Lindner, F.; Paulus, G. G.; Walther, H.; Baltuska, A.; Goulielmakis, E.; Lezius, M.; Krausz, F.: Gouy phase shift for few-cycle laser pulses. Physical Review Letters 92 (11), 113001 (2004)

Lindner, F.; Paulus, G. G.; Walther, H.; Baltuska, A.; Goulielmakis, E.; Lezius, M.; Krausz, F.: Gouy phase shift for few-cycle laser pulses. Physical Review Letters 92 (11), 113001 (2004)

Bourennane, M.; Eibl, M.; Gaertner, S.; Kurtsiefer, C.; Cabello, A.; Weinfurter, H.: Decoherence-free quantum information processing with four-photon entangled states. Physical Review Letters 92 (10), 107901 (2004)

Bourennane, M.; Eibl, M.; Gaertner, S.; Kurtsiefer, C.; Weinfurter, H.; Cabello, A.; Gühne, O.; Hyllus, P.; Bruß, D.; Lewenstein, M. et al.; Sanpera, A.: Four photon polarization entanglement tests and applications. International Journal of Quantum Information 2 (1), pp. 133 - 147 (2004)

Walz, J.; Hänsch, T. W.: A proposal to measure antimatter gravity using ultracold antihydrogen atoms. General Relativity and Gravitation 36 (3), pp. 561 - 570 (2004)

Bourennane, M.; Eibl, M.; Kurtsiefer, C.; Gaertner, S.; Weinfurter, H.; Gühne, O.; Hyllus, P.; Bruss, D.; Lewenstein, M.; Sanpera, A.: Experimental detection of multipartite entanglement using witness operators. Physical Review Letters 92 (8), 087902 (2004)

Apolonski, A.; Dombi, P.; Paulus, G. G.; Kakehata, M.; Holzwarth, R.; Udem, T.; Lemell, C.; Torizuka, K.; Burgdorfer, J.; Hänsch, T. W. et al.; Krausz, F.: Observation of light-phase-sensitive photoemission from a metal. Physical Review Letters 92 (7), 073902 (2004)