• LETTERS
  • General Physics
  • Gravitation and Astrophysics
  • Elementary Particles and Fields
  • Nuclear Physics
  • 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

•	Two-Species Mixture of Quantum Degenerate Bose and Fermi Gases Z. Hadzibabic, C. A. Stan, K. Dieckmann, S. Gupta, M. W. Zwierlein, A. Görlitz, and W. Ketterle Published 4 April 2002 (4 pages) 160401 [View PDF (112 kB) or Buy this Article (Use Article Pack) ]

•	Bose-Enhanced Chemistry: Amplification of Selectivity in the Dissociation of Molecular Bose-Einstein Condensates M. G. Moore and A. Vardi Published 9 April 2002 (4 pages) 160402 [View PDF (187 kB) or Buy this Article (Use Article Pack) ]

•	Kinetics and Scaling in Ballistic Annihilation Emmanuel Trizac Published 8 April 2002 (4 pages) 160601 [View PDF (136 kB) or Buy this Article (Use Article Pack) ]

Gravitation and Astrophysics

•	Neutrino Cross Sections and Future Observations of Ultrahigh-Energy Cosmic Rays Alexander Kusenko and Thomas J. Weiler Published 4 April 2002 (4 pages) 161101 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

•	Observability of Earth-Skimming Ultrahigh Energy Neutrinos Jonathan L. Feng, Peter Fisher, Frank Wilczek, and Terri M. Yu Published 4 April 2002 (4 pages) 161102 [View PDF (106 kB) or Buy this Article (Use Article Pack) ]

•	Noncommutative Quantum Cosmology H. García-Compeán, O. Obregón, and C. Ramírez Published 4 April 2002 (4 pages) 161301 [View PDF (511 kB) or Buy this Article (Use Article Pack) ]

•	Dimming Supernovae without Cosmic Acceleration Csaba Csáki, Nemanja Kaloper, and John Terning Published 9 April 2002 (4 pages) 161302 [View PDF (89 kB) or Buy this Article (Use Article Pack) ]

Elementary Particles and Fields

•	A High Statistics Measurement of the Λc+ Lifetime J. M. Link et al. (FOCUS Collaboration) Published 8 April 2002 (5 pages) 161801 [View PDF (126 kB) or Buy this Article (Use Article Pack) ]

•	ϒ Production and Polarization in pp̅ Collisions at sqrt[s]  =  1.8 TeV D. Acosta et al. (CDF Collaboration) Published 9 April 2002 (6 pages) 161802 [View PDF (162 kB) or Buy this Article (Use Article Pack) ]

•	Measurement of the Lifetime Difference in D0 Meson Decays K. Abe et al. (Belle Collaboration) Published 8 April 2002 (6 pages) 162001 [View PDF (173 kB) or Buy this Article (Use Article Pack) ]

Nuclear Physics

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Neutron Polarizabilities Investigated by Quasifree Compton Scattering from the Deuteron K. Kossert, M. Camen, F. Wissmann, J. Ahrens, J. R. Annand, H.-J Arends, R. Beck, G. Caselotti, P. Grabmayr, O. Jahn, P. Jennewein, M. I. Levchuk, A. I. L'vov, J. C. McGeorge, A. Natter, V. Olmos de León, V. A. Petrun'kin, G. Rosner, M. Schumacher, B. Seitz, F. Smend, A. Thomas, W. Weihofen, and F. Zapadtka Published 8 April 2002 (4 pages) 162301 [View PDF (280 kB) or Buy this Article (Use Article Pack) ]

Atomic, Molecular, and Optical Physics

•	Spinor Bosonic Atoms in Optical Lattices: Symmetry Breaking and Fractionalization Eugene Demler and Fei Zhou Published 3 April 2002 (4 pages) 163001 [View PDF (98 kB) or Buy this Article (Use Article Pack) ]

•	Feedback on the Motion of a Single Atom in an Optical Cavity T. Fischer, P. Maunz, P. W. Pinkse, T. Puppe, and G. Rempe Published 4 April 2002 (4 pages) 163002 [View PDF (104 kB) or Buy this Article (Use Article Pack) ]

•	Helium-Antihydrogen Interaction: The Born-Oppenheimer Potential Energy Curve Krzysztof Strasburger and Henryk Chojnacki Published 8 April 2002 (4 pages) 163201 [View PDF (90 kB) or Buy this Article (Use Article Pack) ]

•	Enhancement of Positron-Atom Annihilation near the Positronium Formation Threshold G. F. Gribakin and J. Ludlow Published 5 April 2002 (4 pages) 163202 [View PDF (102 kB) or Buy this Article (Use Article Pack) ]

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

•	Focal Spots of Size λ/23 Open Up Far-Field Florescence Microscopy at 33 nm Axial Resolution Marcus Dyba and Stefan W. Hell Published 4 April 2002 (4 pages) 163901 [View PDF (436 kB) or Buy this Article (Use Article Pack) ]

•	Patterning of Small Particles by a Surfactant-Enhanced Marangoni-Bénard Instability Van X. Nguyen and Kathleen J. Stebe Published 3 April 2002 (4 pages) 164501 [View PDF (931 kB) or Buy this Article (Use Article Pack) ]

Plasma and Beam Physics

•	Storing, Retrieving, and Processing Optical Information by Raman Backscattering in Plasmas I. Y. Dodin and N. J. Fisch Published 9 April 2002 (4 pages) 165001 [View PDF (181 kB) or Buy this Article (Use Article Pack) ]

Condensed Matter: Structure, etc.

•	Coulomb Explosion and Thermal Spikes E. M. Bringa and R. E. Johnson Published 4 April 2002 (4 pages) 165501 [View PDF (100 kB) or Buy this Article (Use Article Pack) ]

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Raman Spectroscopic Investigation of H2, HD, and D2 Physisorption on Ropes of Single-Walled, Carbon Nanotubes Keith A. Williams, Bhabendra K. Pradhan, Peter C. Eklund, Milen K. Kostov, and Milton W. Cole Published 4 April 2002 (4 pages) 165502 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

•	Diffusion Mechanism of Hydrogen in Amorphous Silicon: Ab Initio Molecular Dynamics Simulation Y.-S. Su and S. T. Pantelides Published 8 April 2002 (4 pages) 165503 [View PDF (175 kB) or Buy this Article (Use Article Pack) ]

•	Surface Segregation of Ge at SiGe(001) by Concerted Exchange Pathways P. Bogusławski and J. Bernholc Published 5 April 2002 (4 pages) 166101 [View PDF (119 kB) or Buy this Article (Use Article Pack) ]

Condensed Matter: Electronic Properties, etc.

•	Total Energy Method from Many-Body Formulation F. Aryasetiawan, T. Miyake, and K. Terakura Published 2 April 2002 (4 pages) 166401 [View PDF (93 kB) or Buy this Article (Use Article Pack) ]

•	Nonadiabatic Car-Parrinello Molecular Dynamics Nikos L. Doltsinis and Dominik Marx Published 3 April 2002 (4 pages) 166402 [View PDF (196 kB) or Buy this Article (Use Article Pack) ]

•	Spin-Resolved Unoccupied Electronic Band Structure from Quantum Size Oscillations in the Reflectivity of Slow Electrons from Ultrathin Ferromagnetic Crystals R. Zdyb and E. Bauer Published 3 April 2002 (4 pages) 166403 [View PDF (151 kB) or Buy this Article (Use Article Pack) ]

•	Mediation of Long Range Charge Transfer by Kondo Bound States R. G. Endres, D. L. Cox, R. R. Singh, and S. K. Pati Published 4 April 2002 (4 pages) 166601 [View PDF (97 kB) or Buy this Article (Use Article Pack) ]

•	Broken Unitarity and Phase Measurements in Aharonov-Bohm Interferometers O. Entin-Wohlman, A. Aharony, Y. Imry, Y. Levinson, and A. Schiller Published 4 April 2002 (4 pages) 166801 [View PDF (100 kB) or Buy this Article (Use Article Pack) ]

•	Energy Loss of Atoms at Metal Surfaces due to Electron-Hole Pair Excitations: First-Principles Theory of “Chemicurrents” J. R. Trail, M. C. Graham, D. M. Bird, M. Persson, and S. Holloway Published 8 April 2002 (4 pages) 166802 [View PDF (86 kB) or Buy this Article (Use Article Pack) ]

•	Two-Dimensional Metal in a Parallel Magnetic Field Xuan P. Gao, Allen P. Mills, Arthur P. Ramirez, Loren N. Pfeiffer, and Kenneth W. West Published 9 April 2002 (4 pages) 166803 [View PDF (191 kB) or Buy this Article (Use Article Pack) ]

•	Dynamics of Quantum Phase Transition in an Array of Josephson Junctions J. Dziarmaga, A. Smerzi, W. H. Zurek, and A. R. Bishop Published 2 April 2002 (4 pages) 167001 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

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Anomalous Dispersion of Longitudinal Optical Phonons in Nd1.86Ce0.14CuO4+δ Determined by Inelastic X-Ray Scattering M. d'Astuto, P. K. Mang, P. Giura, A. Shukla, P. Ghigna, A. Mirone, M. Braden, M. Greven, M. Krisch, and F. Sette Published 3 April 2002 (4 pages) 167002 [View PDF (171 kB) or Buy this Article (Use Article Pack) ]

•	Intrinsic Behavior of Flux Lines in Pure Niobium near the Upper Critical Field E. M. Forgan, S. J. Levett, P. G. Kealey, R. Cubitt, C. D. Dewhurst, and D. Fort Published 4 April 2002 (4 pages) 167003 [View PDF (154 kB) or Buy this Article (Use Article Pack) ]

•	Temperature and Field Dependence of the Anisotropy of MgB2 M. Angst, R. Puzniak, A. Wisniewski, J. Jun, S. M. Kazakov, J. Karpinski, J. Roos, and H. Keller Published 4 April 2002 (4 pages) 167004 [View PDF (360 kB) or Buy this Article (Use Article Pack) ]

•	Magnetoresistance of Untwinned YBa2Cu3Oy Single Crystals in a Wide Range of Doping: Anomalous Hole-Doping Dependence of the Coherence Length Yoichi Ando and Kouji Segawa Published 8 April 2002 (4 pages) 167005 [View PDF (528 kB) or Buy this Article (Use Article Pack) ]

•	Quasiparticle Liquid in the Highly Overdoped Bi2Sr2CaCu2O8+δ Z. M. Yusof, B. O. Wells, T. Valla, A. V. Fedorov, P. D. Johnson, Q. Li, C. Kendziora, Sha Jian, and D. G. Hinks Published 8 April 2002 (4 pages) 167006 [View PDF (155 kB) or Buy this Article (Use Article Pack) ]

•	Kink Pairs Unbinding on Domain Walls and the Sequence of Phase Transitions in Fully Frustrated XY Models S. E. Korshunov Published 9 April 2002 (4 pages) 167007 [View PDF (81 kB) or Buy this Article (Use Article Pack) ]

•	Competition between Charge- and Spin-Density-Wave Order and Superconductivity in La1.875Ba0.125-xSrxCuO4 M. Fujita, H. Goka, K. Yamada, and M. Matsuda Published 9 April 2002 (4 pages) 167008 [View PDF (122 kB) or Buy this Article (Use Article Pack) ]

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Observation of Magnetic Level Repulsion in Fe6:Li Molecular Antiferromagnetic Rings M. Affronte, A. Cornia, A. Lascialfari, F. Borsa, D. Gatteschi, J. Hinderer, M. Horvatić, A. G. Jansen, and M.-H. Julien Published 3 April 2002 (4 pages) 167201 [View PDF (347 kB) or Buy this Article (Use Article Pack) ]

•	Strongly Enhanced Magnetic Moments of Vanadium Impurities in Thin Films of Sodium and Potassium Funing Song and Gerd Bergmann Published 3 April 2002 (4 pages) 167202 [View PDF (86 kB) or Buy this Article (Use Article Pack) ]

•	Spinons in a Crossed-Chains Model of a 2D Spin Liquid Oleg A. Starykh, Rajiv R. Singh, and Gregory C. Levine Published 4 April 2002 (4 pages) 167203 [View PDF (98 kB) or Buy this Article (Use Article Pack) ]

•	Charge Ordering Fluctuation and Optical Pseudogap in La1-xCaxMnO3 K. H. Kim, S. Lee, T. W. Noh, and S.-W. Cheong Published 8 April 2002 (4 pages) 167204 [View PDF (250 kB) or Buy this Article (Use Article Pack) ]

•	Finite Temperature Magnetism in Gd: Evidence against a Stoner Behavior K. Maiti, M. C. Malagoli, A. Dallmeyer, and C. Carbone Published 5 April 2002 (4 pages) 167205 [View PDF (255 kB) or Buy this Article (Use Article Pack) ]

•	T3/2 Dependence of the Interlayer Exchange Coupling in Ferromagnetic Multilayers J. Lindner, C. Rüdt, E. Kosubek, P. Poulopoulos, K. Baberschke, P. Blomquist, R. Wäppling, and D. L. Mills Published 8 April 2002 (4 pages) 167206 [View PDF (121 kB) or Buy this Article (Use Article Pack) ]

•	Macroscopic Magnetization Jumps due to Independent Magnons in Frustrated Quantum Spin Lattices J. Schulenburg, A. Honecker, J. Schnack, J. Richter, and H.-J. Schmidt Published 8 April 2002 (4 pages) 167207 [View PDF (88 kB) or Buy this Article (Use Article Pack) ]

•	Finite-Temperature Phase Diagram of Hard-Core Bosons in Two Dimensions Guido Schmid, Synge Todo, Matthias Troyer, and Ansgar Dorneich Published 9 April 2002 (4 pages) 167208 [View PDF (105 kB) or Buy this Article (Use Article Pack) ]

•	Anomalous Quantum-Confined Stark Effects in Stacked InAs/GaAs Self-Assembled Quantum Dots Weidong Sheng and Jean-Pierre Leburton Published 9 April 2002 (4 pages) 167401 [View PDF (262 kB) or Buy this Article (Use Article Pack) ]

Interdisciplinary Physics: Biological Physics, Quantum Information, etc.

•	Local Realistic Model for the Dynamics of Bulk-Ensemble NMR Information Processing N. C. Menicucci and Carlton M. Caves Published 4 April 2002 (4 pages) 167901 [View PDF (80 kB) or Buy this Article (Use Article Pack) ]

•	Quantum Key Distribution with Bright Entangled Beams Ch. Silberhorn, N. Korolkova, and G. Leuchs Published 8 April 2002 (4 pages) 167902 [View PDF (98 kB) or Buy this Article (Use Article Pack) ]

•	Catalysis in Nonlocal Quantum Operations G. Vidal and J. I. Cirac Published 9 April 2002 (4 pages) 167903 [View PDF (87 kB) or Buy this Article (Use Article Pack) ]

•	Specific and Nonspecific Collapse in Protein Folding Funnels Jorge Chahine, Hugh Nymeyer, Vitor B. Leite, Nicholas D. Socci, and José Nelson Onuchic Published 5 April 2002 (4 pages) 168101 [View PDF (98 kB) or Buy this Article (Use Article Pack) ]

•	Viscosity of Two-Dimensional Suspensions Junqi Ding, Heidi E. Warriner, and Joseph A. Zasadzinski Published 8 April 2002 (4 pages) 168102 [View PDF (660 kB) or Buy this Article (Use Article Pack) ]

•	Rectified Motion of Colloids in Asymmetrically Structured Channels C. Marquet, A. Buguin, L. Talini, and P. Silberzan Published 8 April 2002 (4 pages) 168301 [View PDF (125 kB) or Buy this Article (Use Article Pack) ]

COMMENTS

•	Comment on “Nonclassical Smoothening of Nanoscale Surface Corrugations” Navot Israeli and Daniel Kandel Published 5 April 2002 (1 pages) 169601 [View PDF (56 kB) or Buy this Article (Use Article Pack) ]

•	Erlebacher et al. Reply: Jonah Erlebacher, Michael J. Aziz, Eric Chason, Michael B. Sinclair, and Jerrold A. Floro Published 5 April 2002 (1 pages) 169602 [View PDF (30 kB) or Buy this Article (Use Article Pack) ]