• LETTERS
  • General Physics
  • Gravitation and Astrophysics
  • Elementary Particles and Fields
  • Atomic, Molecular, and Optical Physics
  • Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.
  • Plasma and Beam Physics
  • Condensed Matter: Structure, etc.
  • Condensed Matter: Electronic Properties, etc.
  • Interdisciplinary Physics: Biological Physics, Quantum Information, etc.
• COMMENTS

LETTERS

General Physics

•	Optics with an Atom Laser Beam Immanuel Bloch, Michael Köhl, Markus Greiner, Theodor W. Hänsch, and Tilman Esslinger Published 2 July 2001 (4 pages) 030401 [View PDF (136 kB) or Buy this Article (Use Article Pack) ]

•	Chern-Simons Theories on the Noncommutative Plane Dongsu Bak, Kimyeong Lee, and Jeong-Hyuck Park Published 2 July 2001 (4 pages) 030402 [View PDF (81 kB) or Buy this Article (Use Article Pack) ]

•	Level Quantization for the Noncommutative Chern-Simons Theory V. P. Nair and A. P. Polychronakos Published 2 July 2001 (3 pages) 030403 [View PDF (69 kB) or Buy this Article (Use Article Pack) ]

•	Fragmented Condensate Ground State of Trapped Weakly Interacting Bosons in Two Dimensions Xia-Ji Liu, Hui Hu, Lee Chang, Weiping Zhang, Shi-Qun Li, and Yu-Zhu Wang Published 2 July 2001 (4 pages) 030404 [View PDF (357 kB) or Buy this Article (Use Article Pack) ]

•	Inequivalence of Ensembles in a System with Long-Range Interactions Julien Barré, David Mukamel, and Stefano Ruffo Published 29 June 2001 (4 pages) 030601 [View PDF (127 kB) or Buy this Article (Use Article Pack) ]

Gravitation and Astrophysics

•	Wideband Dual Sphere Detector of Gravitational Waves M. Cerdonio, L. Conti, J. A. Lobo, A. Ortolan, L. Taffarello, and J. P. Zendri Published 28 June 2001 (4 pages) 031101 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

•	Probing Large Distance Higher-Dimensional Gravity with Cosmic Microwave Background Measurements Pierre Binétruy and Joseph Silk Published 28 June 2001 (4 pages) 031102 [View PDF (124 kB) or Buy this Article (Use Article Pack) ]

•	Superfluid Phase Transitions in Dense Neutron Matter V. A. Khodel, J. W. Clark, and M. V. Zverev Published 29 June 2001 (4 pages) 031103 [View PDF (97 kB) or Buy this Article (Use Article Pack) ]

Elementary Particles and Fields

•	Gauge Invariances and Phases of Massive Higher Spins in (Anti-) de Sitter Space S. Deser and A. Waldron Published 27 June 2001 (4 pages) 031601 [View PDF (86 kB) or Buy this Article (Use Article Pack) ]

•	Number of Fermion Generations Derived from Anomaly Cancellation Bogdan A. Dobrescu and Erich Poppitz Published 27 June 2001 (4 pages) 031801 [View PDF (73 kB) or Buy this Article (Use Article Pack) ]

Atomic, Molecular, and Optical Physics

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Observation of Coherent Transients in Ultrashort Chirped Excitation of an Undamped Two-Level System Sébastien Zamith, Jérôme Degert, Sabine Stock, Béatrice de Beauvoir, Valérie Blanchet, M. Aziz Bouchene, and Bertrand Girard Published 28 June 2001 (4 pages) 033001 [View PDF (173 kB) or Buy this Article (Use Article Pack) ]

•	Selectivity in the Excitation of Fermi-Coupled Vibrations in CO2 by Impact of Slow Electrons M. Allan Published 28 June 2001 (4 pages) 033201 [View PDF (106 kB) or Buy this Article (Use Article Pack) ]

•	Superelastic Scattering Of Electrons From Highly Charged Ions With Inner Shell Vacancies P. A. Závodszky, H. Aliabadi, C. P. Bhalla, P. Richard, G. Tóth, and J. A. Tanis Published 2 July 2001 (4 pages) 033202 [View PDF (98 kB) or Buy this Article (Use Article Pack) ]

•	Nuclear Fusion induced by Coulomb Explosion of Heteronuclear Clusters Isidore Last and Joshua Jortner Published 25 June 2001 (4 pages) 033401 [View PDF (96 kB) or Buy this Article (Use Article Pack) ]

•	Femtosecond Light Source for Phase-Controlled Multiphoton Ionization A. V. Sokolov, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris Published 29 June 2001 (4 pages) 033402 [View PDF (92 kB) or Buy this Article (Use Article Pack) ]

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

•	Necklace-Ring Vector Solitons Anton S. Desyatnikov and Yuri S. Kivshar Published 27 June 2001 (4 pages) 033901 [View PDF (377 kB) or Buy this Article (Use Article Pack) ]

•	Experimental Demonstration of the Fermi-Pasta-Ulam Recurrence in a Modulationally Unstable Optical Wave G. Van Simaeys, Ph. Emplit, and M. Haelterman Published 28 June 2001 (4 pages) 033902 [View PDF (341 kB) or Buy this Article (Use Article Pack) ]

•	Dynamical Turbulent Flow on the Galton Board with Friction A. D. Chepelianskii and D. L. Shepelyansky Published 28 June 2001 (4 pages) 034101 [View PDF (552 kB) or Buy this Article (Use Article Pack) ]

Plasma and Beam Physics

•	Electro-optic Measurement of the Wake Fields of a Relativistic Electron Beam M. J. Fitch, A. C. Melissinos, P. L. Colestock, J.-P. Carneiro, H. T. Edwards, and W. H. Hartung Published 26 June 2001 (4 pages) 034801 [View PDF (181 kB) or Buy this Article (Use Article Pack) ]

•	Resonant Emittance Transfer Driven by Space Charge I. Hofmann and O. Boine-Frankenheim Published 26 June 2001 (4 pages) 034802 [View PDF (292 kB) or Buy this Article (Use Article Pack) ]

•	Loss of Second-Ballooning Stability in Three-Dimensional Equilibria C. C. Hegna and S. R. Hudson Published 27 June 2001 (4 pages) 035001 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

Condensed Matter: Structure, etc.

•	Observation of the Superfluid Shapiro Effect in a 3He Weak Link R. W. Simmonds, A. Marchenkov, J. C. Davis, and R. E. Packard Published 26 June 2001 (4 pages) 035301 [View PDF (143 kB) or Buy this Article (Use Article Pack) ]

•	Is There Something of Mode Coupling Theory in Orientationally Disordered Crystals? F. Affouard and M. Descamps Published 28 June 2001 (4 pages) 035501 [View PDF (370 kB) or Buy this Article (Use Article Pack) ]

•	Breather Induced Modification of the Speed of Sound Bambi Hu and Jasmina Tekić Published 28 June 2001 (4 pages) 035502 [View PDF (106 kB) or Buy this Article (Use Article Pack) ]

•	Theoretical Identification of the Smallest Fullerene, C20 Mineo Saito and Yoshiyuki Miyamoto Published 29 June 2001 (4 pages) 035503 [View PDF (164 kB) or Buy this Article (Use Article Pack) ]

•	Orthorhombic Intermediate State in the Zinc Blende to Rocksalt Transformation Path of SiC at High Pressure Michele Catti Published 28 June 2001 (4 pages) 035504 [View PDF (147 kB) or Buy this Article (Use Article Pack) ]

•	Surface Reconstruction of an Ordered Fluid: An Analogy with Crystal Surfaces N. Rehse, A. Knoll, M. Konrad, R. Magerle, and G. Krausch Published 29 June 2001 (4 pages) 035505 [View PDF (172 kB) or Buy this Article (Use Article Pack) ]

•	Footprints in Sand: The Response of a Granular Material to Local Perturbations Junfei Geng, D. Howell, E. Longhi, R. P. Behringer, G. Reydellet, L. Vanel, E. Clément, and S. Luding Published 2 July 2001 (4 pages) 035506 [View PDF (603 kB) or Buy this Article (Use Article Pack) ]

•	Modification of the Superfluid 3He Phase Diagram by Impurity Scattering G. Gervais, T. M. Haard, R. Nomura, N. Mulders, and W. P. Halperin Published 28 June 2001 (4 pages) 035701 [View PDF (152 kB) or Buy this Article (Use Article Pack) ]

•	Alloying Effects on Electromigration Mass Transport J. P. Dekker, C. A. Volkert, E. Arzt, and P. Gumbsch Published 29 June 2001 (4 pages) 035901 [View PDF (83 kB) or Buy this Article (Use Article Pack) ]

•	Surface Patterson Function by Inversion of Low-Energy Electron Diffraction I-V Spectra at Multiple Incident Angles Huasheng Wu and S. Y. Tong Published 26 June 2001 (4 pages) 036101 [View PDF (484 kB) or Buy this Article (Use Article Pack) ]

•	Corners, Cusps, and Pearls in Running Drops T. Podgorski, J.-M. Flesselles, and L. Limat Published 27 June 2001 (4 pages) 036102 [View PDF (763 kB) or Buy this Article (Use Article Pack) ]

•	Adsorption Sites and Ligand Effect for CO on an Alloy Surface: A Direct View Y. Gauthier, M. Schmid, S. Padovani, E. Lundgren, V. Buš, G. Kresse, J. Redinger, and P. Varga Published 28 June 2001 (4 pages) 036103 [View PDF (480 kB) or Buy this Article (Use Article Pack) ]

•	Two-Atom Structures of Ge on Si(100): Dimers versus Adatom Pairs Antônio J. da Silva, G. M. Dalpian, A. Janotti, and A. Fazzio Published 2 July 2001 (4 pages) 036104 [View PDF (1017 kB) or Buy this Article (Use Article Pack) ]

•	Model for Intrinsic Stress Formation in Amorphous Thin Films S. G. Mayr and K. Samwer Published 2 July 2001 (4 pages) 036105 [View PDF (238 kB) or Buy this Article (Use Article Pack) ]

Condensed Matter: Electronic Properties, etc.

•	Quantum Monte Carlo Analysis of Exchange and Correlation in the Strongly Inhomogeneous Electron Gas Maziar Nekovee, W. M. Foulkes, and R. J. Needs Published 25 June 2001 (4 pages) 036401 [View PDF (164 kB) or Buy this Article (Use Article Pack) ]

•	Hard Correlation Gap Observed in Quench-Condensed Ultrathin Beryllium E. Bielejec, J. Ruan, and Wenhao Wu Published 26 June 2001 (4 pages) 036801 [View PDF (141 kB) or Buy this Article (Use Article Pack) ]

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Evolution of Fractal Patterns during a Classical-Quantum Transition A. P. Micolich, R. P. Taylor, A. G. Davies, J. P. Bird, R. Newbury, T. M. Fromhold, A. Ehlert, H. Linke, L. D. Macks, W. R. Tribe, E. H. Linfield, D. A. Ritchie, J. Cooper, Y. Aoyagi, and P. B. Wilkinson Published 29 June 2001 (4 pages) 036802 [View PDF (225 kB) or Buy this Article (Use Article Pack) ]

•	Observation of a Linearly Dispersing Collective Mode in a Quantum Hall Ferromagnet I. B. Spielman, J. P. Eisenstein, L. N. Pfeiffer, and K. W. West Published 2 July 2001 (4 pages) 036803 [View PDF (286 kB) or Buy this Article (Use Article Pack) ]

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Giant Anharmonicity and Nonlinear Electron-Phonon Coupling in MgB2: A Combined First-Principles Calculation and Neutron Scattering Study T. Yildirim, O. Gülseren, J. W. Lynn, C. M. Brown, T. J. Udovic, Q. Huang, N. Rogado, K. A. Regan, M. A. Hayward, J. S. Slusky, T. He, M. K. Haas, P. Khalifah, K. Inumaru, and R. J. Cava Published 26 June 2001 (4 pages) 037001 [View PDF (167 kB) or Buy this Article (Use Article Pack) ]

•	Evidence of Two Distinct Dynamic Critical Exponents in Connection with Vortex Physics Petter Minnhagen, Beom Jun Kim, and Hans Weber Published 29 June 2001 (4 pages) 037002 [View PDF (156 kB) or Buy this Article (Use Article Pack) ]

•	Observation of Andreev Surface Bound States in the 3-K Phase Region of Sr2RuO4 Z. Q. Mao, K. D. Nelson, R. Jin, Y. Liu, and Y. Maeno Published 29 June 2001 (4 pages) 037003 [View PDF (1168 kB) or Buy this Article (Use Article Pack) ]

•	Superconducting 2D System with Lifted Spin Degeneracy: Mixed Singlet-Triplet State Lev P. Gor'kov and Emmanuel I. Rashba Published 2 July 2001 (4 pages) 037004 [View PDF (92 kB) or Buy this Article (Use Article Pack) ]

•	Surface-Step-Induced Double Magnetic Switching of Fe on Vicinal W(100) Hector C. Mireles and J. L. Erskine Published 27 June 2001 (4 pages) 037201 [View PDF (227 kB) or Buy this Article (Use Article Pack) ]

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Spin Dynamics of the 2D Spin 1 / 2 Quantum Antiferromagnet Copper Deuteroformate Tetradeuterate (CFTD) H. M. Rønnow, D. F. McMorrow, R. Coldea, A. Harrison, I. D. Youngson, T. G. Perring, G. Aeppli, O. Syljuåsen, K. Lefmann, and C. Rischel Published 28 June 2001 (4 pages) 037202 [View PDF (265 kB) or Buy this Article (Use Article Pack) ]

•	Chiral Symmetry Breaking in Magnetic Thin Films and Multilayers A. N. Bogdanov and U. K. Rößler Published 29 June 2001 (4 pages) 037203 [View PDF (319 kB) or Buy this Article (Use Article Pack) ]

•	Dissipation of Intersubband Plasmons in Wide Quantum Wells J. B. Williams, M. S. Sherwin, K. D. Maranowski, and A. C. Gossard Published 2 July 2001 (4 pages) 037401 [View PDF (111 kB) or Buy this Article (Use Article Pack) ]

•	Theory of the Linewidth of Intersubband Plasmons in Quantum Wells C. A. Ullrich and G. Vignale Published 2 July 2001 (4 pages) 037402 [View PDF (135 kB) or Buy this Article (Use Article Pack) ]

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Optical Anisotropy of Oxidized Si(001) Surfaces and Its Oscillation in the Layer-By-Layer Oxidation Process T. Yasuda, S. Yamasaki, M. Nishizawa, N. Miyata, A. Shklyaev, M. Ichikawa, T. Matsudo, and T. Ohta Published 2 July 2001 (4 pages) 037403 [View PDF (96 kB) or Buy this Article (Use Article Pack) ]

•	Auger Stimulated Ion Desorption of Negative Ions via K-Capture Radioactive Decay S. V. Verkhoturov, E. A. Schweikert, Victor Chechik, Rajaram C. Sabapathy, Richard M. Crooks, and E. S. Parilis Published 29 June 2001 (4 pages) 037601 [View PDF (105 kB) or Buy this Article (Use Article Pack) ]

Interdisciplinary Physics: Biological Physics, Quantum Information, etc.

•	Dipole Blockade and Quantum Information Processing in Mesoscopic Atomic Ensembles M. D. Lukin, M. Fleischhauer, R. Cote, L. M. Duan, D. Jaksch, J. I. Cirac, and P. Zoller Published 26 June 2001 (4 pages) 037901 [View PDF (120 kB) or Buy this Article (Use Article Pack) ]

•	Coherent Control of an Atomic Collision in a Cavity S. Osnaghi, P. Bertet, A. Auffeves, P. Maioli, M. Brune, J. M. Raimond, and S. Haroche Published 27 June 2001 (4 pages) 037902 [View PDF (129 kB) or Buy this Article (Use Article Pack) ]

•	Allometric Scaling and Central Source Systems Olaf Dreyer Published 27 June 2001 (3 pages) 038101 [View PDF (88 kB) or Buy this Article (Use Article Pack) ]

•	Advective Coalescence in Chaotic Flows Takashi Nishikawa, Zoltán Toroczkai, and Celso Grebogi Published 29 June 2001 (4 pages) 038301 [View PDF (708 kB) or Buy this Article (Use Article Pack) ]

•	Hydrodynamic Interactions in Quasi-Two-Dimensional Colloidal Suspensions Jesús Santana-Solano and José Luis Arauz-Lara Published 2 July 2001 (4 pages) 038302 [View PDF (188 kB) or Buy this Article (Use Article Pack) ]

COMMENTS

•	Comment on “Neutron Brillouin Scattering Study of Collective Dynamics in a Dense He-Ne Gaseous Mixture” J. A. Padró, N. Anento, and M. Canales Published 26 June 2001 (1 pages) 039601 [View PDF (44 kB) or Buy this Article (Use Article Pack) ]

•	Bafile, Guarini, and Barocchi Reply: Ubaldo Bafile, Eleonora Guarini, and Fabrizio Barocchi Published 26 June 2001 (1 pages) 039602 [View PDF (37 kB) or Buy this Article (Use Article Pack) ]

•	Comment on “Real Space Investigation of the Roughening and Deconstruction Transitions of Au(110)” M. J. Rost and J. W. Frenken Published 28 June 2001 (1 pages) 039603 [View PDF (125 kB) or Buy this Article (Use Article Pack) ]

•	Koch and Schulz Reply: R. Koch and J. J. Schulz Published 28 June 2001 (1 pages) 039604 [View PDF (266 kB) or Buy this Article (Use Article Pack) ]

•	Comment on “Self-Organized Criticality in the Olami-Feder-Christensen Model” Kim Christensen, Dominic Hamon, Henrik J. Jensen, and Stefano Lise Published 28 June 2001 (1 pages) 039801 [View PDF (55 kB) or Buy this Article (Use Article Pack) ]

•	de Carvalho and Prado Reply: J. X. de Carvalho and C. P. Prado Published 28 June 2001 (1 pages) 039802 [View PDF (52 kB) or Buy this Article (Use Article Pack) ]