• LETTERS
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  • Plasma and Beam Physics
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  • Condensed Matter: Electronic Properties, Etc.
  • Cross-Disciplinary Physics
• COMMENTS

•	Diffraction-free beams remain diffraction free under all paraxial optical transformations Kurt Bernardo Wolf pp. 757-759 [View   PDF (332 kB)  See Also: Erratum]

•	Chaotic flows and magnetic dynamos John M. Finn and Edward Ott pp. 760-763 [View   PDF (610 kB) ]

•	Observation of 4.2-K equilibrium-noise squeezing via a Josephson-parametric amplifier B. Yurke, P. G. Kaminsky, R. E. Miller, E. A. Whittaker, A. D. Smith, A. H. Silver, and R. W. Simon pp. 764-767 [View   PDF (583 kB) ]

•	Radiochemical neutrino detection via 127I(νe,e-)127Xe W. C. Haxton pp. 768-771 [View   PDF (636 kB) ]

•	New phase of quantum electrodynamics: A nonperturbative fixed point in four dimensions J. B. Kogut, Elbio Dagotto, and A. Kocic pp. 772-775 [View   PDF (618 kB) ]

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Bound-nucleon response functions from the reaction 40Ca(e,e’p)39K/emph> and nuclear-medium effects D. Reffay-Pikeroen, M. Bernheim, S. Boffi, G. P. Capitani, E. De Sanctis, S. Frullani, F. Garibaldi, A. Gérard, C. Giusti, H. Jackson, A. Magnon, C. Marchand, J. Mougey, J. Morgenstern, F. D. Pacati, J. Picard, S. Turck-Chieze, and P. Vernin pp. 776-779 [View   PDF (658 kB) ]

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Observation of a nonspherical pion source in relativistic heavy-ion collisions A. D. Chacon, J. A. Bistirlich, R. R. Bossingham, H. R. Bowman, C. W. Clawson, K. M. Crowe, T. J. Humanic, J. M. Kurck, C. A. Meyer, J. O. Rasmussen, O. Hashimoto, W. McHarris, J. P. Sullivan, and W. A. Zajc pp. 780-783 [View   PDF (565 kB) ]

•	Unambiguous imaginary potential in the optical-model description of light heavy-ion elastic scattering María-Ester Brandan pp. 784-787 [View   PDF (498 kB) ]

•	Observation of associative ionization of ultracold laser-trapped sodium atoms P. L. Gould, P. D. Lett, P. S. Julienne, W. D. Phillips, H. R. Thorsheim, and J. Weiner pp. 788-791 [View   PDF (642 kB) ]

•	Ultrabroadband amplitude squeezing in a semiconductor laser Susumu Machida and Yoshihisa Yamamoto pp. 792-794 [View   PDF (502 kB) ]

•	Energy conservation in the picosecond and subpicosecond photoelectric effect E. Yablonovitch pp. 795-796 [View   PDF (253 kB)  See Also: Erratum]

•	Nonlinear dynamics of the wake of an oscillating cylinder D. J. Olinger and K. R. Sreenivasan pp. 797-800 [View   PDF (618 kB) ]

•	Effect of parallel magnetic field gradients on absorption and mode conversion in the ion-cyclotron range of frequencies D. Smithe, P. Colestock, T. Kammash, and R. Kashuba pp. 801-804 [View   PDF (557 kB) ]

•	Influence of shear on polymer adsorption kinetics Thomas C. McGlinn, Daniel J. Kuzmenka, and Steve Granick pp. 805-808 [View   PDF (601 kB) ]

•	Microscopic theory of the structure, thermodynamics, and apparent χ parameter of polymer blends Kenneth S. Schweizer and John G. Curro pp. 809-812 [View   PDF (677 kB) ]

•	Structure of the Lβ phases in a hydrated phosphatidylcholine multimembrane G. S. Smith, E. B. Sirota, C. R. Safinya, and N. A. Clark pp. 813-816 [View   PDF (656 kB) ]

•	Ionic contributions to lattice instabilities and phonon dispersion in La2CuO4 R. E. Cohen, W. E. Pickett, L. L. Boyer, and H. Krakauer pp. 817-820 [View   PDF (618 kB) ]

•	Superconductivity in strongly correlated electronic systems and confinement versus deconfinement phenomenon P. B. Wiegmann pp. 821-824 [View   PDF (648 kB)  See Also: Erratum]

•	Photothermal modulation spectroscopy of multilayered structures of amorphous silicon and amorphous silicon carbide K. Hattori, T. Mori, H. Okamoto, and Y. Hamakawa pp. 825-827 [View   PDF (538 kB) ]

•	Observation of ballistic holes M. Heiblum, K. Seo, H. P. Meier, and T. W. Hickmott pp. 828-831 [View   PDF (628 kB) ]

•	Evidence for the existence of guided longitudinal acoustic phonons in ZnSe films on GaAs B. Hillebrands, S. Lee, G. I. Stegeman, H. Cheng, J. E. Potts, and F. Nizzoli pp. 832-835 [View   PDF (668 kB) ]

•	Fractional angular momentum and magnetic-flux quantization J. Q. Liang and X. X. Ding pp. 836-839 [View   PDF (581 kB) ]

•	Long-range correlations in the two-dimensional spin-(1/2 antiferromagnetic Heisenberg model: A quantum Monte Carlo study Efstratios Manousakis and Román Salvador pp. 840-843 [View   PDF (626 kB) ]

•	Effect of dissipation on thermal activation in an underdamped Josephson junction: First evidence of a transition between different damping regimes Paolo Silvestrini, Sergio Pagano, Roberto Cristiano, O. Liengme, and K. E. Gray pp. 844-847 [View   PDF (554 kB) ]

•	Quantized conductance of point contacts in a two-dimensional electron gas B. J. van Wees, H. van Houten, C. W. Beenakker, J. G. Williamson, L. P. Kouwenhoven, D. van der Marel, and C. T. Foxon pp. 848-850 [View   PDF (435 kB) ]

•	Anomalous high-field magnetization and negative forced volume magnetostriction in Yb1-xMxCu2 (M=In and Ag)—evidence for valence change in high magnetic fields K. Yoshimura, T. Nitta, M. Mekata, T. Shimizu, T. Sakakibara, T. Goto, and G. Kido pp. 851-854 [View   PDF (621 kB) ]

•	Molecular mechanism of field-inversion electrophoresis Jean Louis Viovy pp. 855-858 [View   PDF (565 kB) ]

•	Comment on ‘‘New theoretical description of the carbon-carbon triple bond’’ Charles W. Bauschlicher and Peter R. Taylor pp. 859 [View   PDF (169 kB) ]

•	Messmer and Schultz reply Richard P. Messmer and Peter A. Schultz pp. 860 [View   PDF (159 kB) ]

•	Harmonics of orientational order in liquid crystals Maya Paczuski and Mehran Kardar pp. 861 [View   PDF (162 kB) ]

•	Cheng et al. reply Ming Cheng, John T. Ho, S. W. Hui, and Ronald Pindak pp. 862 [View   PDF (137 kB) ]

•	Picosecond Raman studies of the Fröhlich interaction in semiconductor alloys K. J. Nash and M. S. Skolnick pp. 863 [View   PDF (162 kB) ]

•	Kash, Jha, and Tsang reply J. A. Kash, S. S. Jha, and J. C. Tsang pp. 864 [View   PDF (169 kB) ]

•	Comment on ‘‘Nature of exotic negative carriers in superfluid 4’ C. D. Williams, P. C. Hendry, and P. V. McClintock pp. 865 [View   PDF (135 kB) ]

•	Sanders and Ihas reply T. M. Sanders and G. G. Ihas pp. 866 [View   PDF (91 kB) ]