• LETTERS
  • General Physics
  • Gravitation and Astrophysics
  • Elementary Particles and Fields
  • Nuclear Physics
  • Atomic, Molecular, and Optical Physics
  • Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.
  • Condensed Matter: Structure, Etc.
  • Condensed Matter: Electronic Properties, Etc.
• COMMENTS
• ERRATA

•	Test of the linearity of quantum mechanics by rf spectroscopy of the 9Be+ ground state J. J. Bollinger, D. J. Heinzen, Wayne M. Itano, S. L. Gilbert, and D. J. Wineland pp. 1031-1034 [View   PDF (611 kB) ]

•	Burst of TeV γ rays from SN 1987A: Cosmic storage rings? V. S. Berezinsky and Todor Stanev pp. 1035-1037 [View   PDF (567 kB) ]

•	Model dependence of astrophysical lower bounds on the neutrino mass John P. Ralston pp. 1038-1041 [View   PDF (654 kB) ]

•	Radiative quark and lepton masses in a left-right gauge model Ernest Ma pp. 1042-1045 [View   PDF (537 kB) ]

•	New proposal for closed-string field theory: The free-string case S.-H. Henry Tye pp. 1046-1049 [View   PDF (551 kB) ]

•	β-decay anisotropies of the mirror nuclei 15O and 17F N. Severijns, J. Wouters, J. Vanhaverbeke, and L. Vanneste pp. 1050-1053 [View   PDF (666 kB) ]

•	Observation of participator Auger decay following valence photoionization with excitation U. Becker, R. Wehlitz, O. Hemmers, B. Langer, and A. Menzel pp. 1054-1057 [View   PDF (693 kB) ]

•	Resonantly enhanced above-threshold ionization of helium M. D. Perry, A. Szoke, and K. C. Kulander pp. 1058-1061 [View   PDF (645 kB) ]

•	Absolute instability competition and suppression in a millimeter-wave gyrotron traveling-wave tube Larry R. Barnett, Lung Hai Chang, Han Ying Chen, Kwo Ray Chu, Wai Keung Lau, and Chuan Cheng Tu pp. 1062-1065 [View   PDF (597 kB) ]

•	Compact short-wavelength free-electron laser David B. Chang and James C. McDaniel pp. 1066-1069 [View   PDF (628 kB) ]

•	Steady-state nucleation in a binary mixture: The effect of stirring K. Y. Min, J. Stavans, R. Piazza, and W. I. Goldburg pp. 1070-1073 [View   PDF (624 kB) ]

•	Interaction between grafted polymeric brushes: A molecular-dynamics study Michael Murat and Gary S. Grest pp. 1074-1077 [View   PDF (726 kB) ]

•	Nucleation of bubbles in liquid helium at negative pressure Humphrey J. Maris and Quan Xiong pp. 1078-1081 [View   PDF (497 kB) ]

•	Nonlinear elasticity of amorphous solids Leonardo Golubović and T. C. Lubensky pp. 1082-1085 [View   PDF (669 kB) ]

•	Mechanism of the CO-induced 1×2→1×1 structural transformation of Pt(110) T. Gritsch, D. Coulman, R. J. Behm, and G. Ertl pp. 1086-1089 [View   PDF (822 kB) ]

•	Properties of hydrogen in crystalline silicon under compression and tension C. S. Nichols and D. R. Clarke pp. 1090-1093 [View   PDF (718 kB) ]

•	Molecular-dynamics calculation of the recombination cross section at ionized impurities in semiconductors Lino Reggiani, Luca Varani, Vladimir Mitin, and Carolyne M. VanVliet pp. 1094-1097 [View   PDF (599 kB) ]

•	Fractional Quantum Hall Effect with an Added Parallel Magnetic Field J. E. Furneaux, D. A. Syphers, and A. G. Swanson pp. 1098-1101 [View   PDF (706 kB) ]

•	Exchange enhancement of a spin-polarized 2D electron gas determined by optical-absorption spectroscopy B. B. Goldberg, D. Heiman, and A. Pinczuk pp. 1102-1105 [View   PDF (638 kB) ]

•	Thermal fluctuation and melting of the vortex lattice in oxide superconductors E. H. Brandt pp. 1106-1109 [View   PDF (599 kB) ]

•	Ground-state energies of the nonlinear σ model and the Heisenberg spin chains Shoucheng Zhang, H. J. Schulz, and Timothy Ziman pp. 1110-1113 [View   PDF (660 kB) ]

•	Nonlinear variants of Schrödinger’s equation violate the second law of thermodynamics Asher Peres pp. 1114 [View   PDF (118 kB) ]

•	Weinberg replies Steven Weinberg pp. 1115 [View   PDF (130 kB) ]

•	Comment on ‘‘Local deviations from the Grodzins systematics: Enhanced collectivity in the transitional Ra-Th nuclei’’ S. Raman pp. 1116 [View   PDF (155 kB) ]

•	Gai replies Moshe Gai pp. 1117 [View   PDF (166 kB) ]

•	Comment on ‘‘Accurate structure-factor phase determination by electron diffraction in noncentrosymmetric crystals’’ David M. Bird, Dick James, and Quentin A. King pp. 1118 [View   PDF (149 kB) ]

•	Spence, Zuo and Hoier reply J. C. Spence, J. M. Zuo, and R. Hoier pp. 1119 [View   PDF (133 kB) ]

•	Magnetic Dynamics of La2CuO4 and La2-xBaxCuO4 G. Aeppli, S. M. Hayden, H. A. Mook, Z. Fisk, S- W. Cheong, D. Rytz, J. P. Remeika, G. P. Espinosa, and A. S. Cooper pp. 1120 [View   PDF (20 kB) ]