Volume 71, Issue 1

A. Deshpande, C. Alliegro, V. Chaloupka, J. Egger, H. A. Gordon, N. J. Hadley, W. D. Herold, H. Kaspar, A. M. Lee, D. M. Lazarus, H. J. Lubatti, H. Ma, P. Rehak, A. Skukla, M. E. Zeller, and T. Zhao

Phys. Rev. Lett. 71, 27 (1993) - Published 5 July, 1993

Measurement of the branching ratio of $π^{0}$ → $e^{+}$ $e^{-}$ from $π^{0}$ ’s produced by $K_{L}$ → $π^{0}$ $π^{0}$ $π^{0}$ decays in flight

K. S. McFarland et al.

Phys. Rev. Lett. 71, 31 (1993) - Published 5 July, 1993

Measurement of the branching ratio for $K_{L}$ → $e^{+}$ $e^{-}$ $e^{+}$ $e^{-}$

M. R. Vagins, R. K. Adair, H. B. Greenlee, H. Kasha, E. B. Mannelli, K. E. Ohl, M. P. Schmidt, E. Jastrzembski, R. C. Larsen, L. B. Leipuner, W. M. Morse, and C. B. Schwarz

Phys. Rev. Lett. 71, 35 (1993) - Published 5 July, 1993

Particle spectrum in gluon jets produced in $e^{+}$ $e^{-}$ annihilations at √s around 58 GeV

H. Takaki et al.

Phys. Rev. Lett. 71, 38 (1993) - Published 5 July, 1993

Nuclear Physics

Signature of a πNN resonance in pionic double charge exchange at low energies

R. Bilger, H. A. Clement, and M. G. Schepkin

Phys. Rev. Lett. 71, 42 (1993) - Published 5 July, 1993

Dirac effects in the Hartree-Fock description of finite nuclei employing realistic forces

R. Fritz, H. Müther, and R. Machleidt

Phys. Rev. Lett. 71, 46 (1993) - Published 5 July, 1993

Atomic, Molecular, and Optical Physics

Excitation ionization and double ionization of helium by high-energy photon impact

Lars R. Andersson and Joachim Burgdörfer

Phys. Rev. Lett. 71, 50 (1993) - Published 5 July, 1993

Intermolecular V-V energy transfer in the photodissociation of weakly bound complexes: A new experimental approach

E. J. Bohac and R. E. Miller

Phys. Rev. Lett. 71, 54 (1993) - Published 5 July, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Weak universality in two-dimensional transitions to chaos

Toby Hall

Phys. Rev. Lett. 71, 58 (1993) - Published 5 July, 1993

Periodic orbit theory of anomalous diffusion

Roberto Artuso, Giulio Casati, and Roberto Lombardi

Phys. Rev. Lett. 71, 62 (1993) - Published 5 July, 1993

Circuit implementation of synchronized chaos with applications to communications

Kevin M. Cuomo and Alan V. Oppenheim

Phys. Rev. Lett. 71, 65 (1993) - Published 5 July, 1993

Diagrammatic approach to Anderson localization in the quantum kicked rotator

Alexander Altland

Phys. Rev. Lett. 71, 69 (1993) - Published 5 July, 1993

Adiabatic compression of Schrödinger solitons due to the combined perturbations of higher-order dispersion and delayed nonlinear response

P. V. Mamyshev, P. G. J. Wigley, J. Wilson, G. I. Stegeman, V. A. Semeonov, E. M. Dianov, and S. I. Miroshnichenko

Phys. Rev. Lett. 71, 73 (1993) - Published 5 July, 1993

Coherent optical polarization of bulk GaAs studied by femtosecond photon-echo spectroscopy

A. Lohner, K. Rick, P. Leisching, A. Leitenstorfer, T. Elsaesser, T. Kuhn, F. Rossi, and W. Stolz

Phys. Rev. Lett. 71, 77 (1993) - Published 5 July, 1993

Plasma and Beam Physics

Two-dimensional simulations of stimulated Brillouin scattering in laser produced plasmas

M. R. Amin, C. E. Capjack, P. Frycz, W. Rozmus, and V. T. Tikhonchuk

Phys. Rev. Lett. 71, 81 (1993) - Published 5 July, 1993

Condensed Matter: Structure, Etc.

Structural correlations in porous silica: Molecular dynamics simulation on a parallel computer

Aiichiro Nakano, Lingsong Bi, Rajiv K. Kalia, and Priya Vashishta

Phys. Rev. Lett. 71, 85 (1993) - Published 5 July, 1993

NMR evidence for universal nonclassical critical behavior of incommensurately modulated crystals

K.-P. Holzer, J. Petersson, D. Schüssler, R. Walisch, U. Häcker, and D. Michel

Phys. Rev. Lett. 71, 89 (1993) - Published 5 July, 1993

Continuous isotropic-nematic transition of partially flexible polymers in two dimensions

Zheng Yu Chen

Phys. Rev. Lett. 71, 93 (1993) - Published 5 July, 1993

Thermal conductivity of solid oxygen

A. Jeżowski, P. Stachowiak, V. V. Sumarokov, J. Mucha, and Yu. A. Freiman

Phys. Rev. Lett. 71, 97 (1993) - Published 5 July, 1993

Colored activity in self-organized critical interface dynamics

Kim Sneppen and Mogens H. Jensen

Phys. Rev. Lett. 71, 101 (1993) - Published 5 July, 1993

Spreading of a rarefied phase and nonmonotonic concentration profiles in surface diffusion of lithium on the (112) plane of molybdenum

A. G. Naumovets, M. V. Paliy, and Yu. S. Vedula

Phys. Rev. Lett. 71, 105 (1993) - Published 5 July, 1993

Surface roughening of normal alkane crystals: Solvent dependent critical behavior

Xiang-Yang Liu, Peter van Hoof, and Piet Bennema

Phys. Rev. Lett. 71, 109 (1993) - Published 5 July, 1993

Alternating morphology transitions in electrochemical deposition

Mu Wang and Nai-ben Ming

Phys. Rev. Lett. 71, 113 (1993) - Published 5 July, 1993

Electron paramagnetic resonance of molecular hydrogen in silicon

P. Stallinga, T. Gregorkiewicz, C. A. J. Ammerlaan, and Yu. V. Gorelkinskii

Phys. Rev. Lett. 71, 117 (1993) - Published 5 July, 1993

Condensed Matter: Electronic Properties, Etc.

${Sr}_{6}$ $C_{60}$ and ${Ba}_{6}$ $C_{60}$ : Semimetallic fullerides

Susumu Saito and Atsushi Oshiyama

Phys. Rev. Lett. 71, 121 (1993) - Published 5 July, 1993

Metal-insulator transitions in ${BaCo}_{1 - x}$ ${Ni}_{x}$ $S_{2 - y}$

L. S. Martinson, J. W. Schweitzer, and N. C. Baenziger

Phys. Rev. Lett. 71, 125 (1993) - Published 5 July, 1993

Formation of a coherent heavy electron state in the Anderson lattice model

P. G. McQueen, D. W. Hess, and J. W. Serene

Phys. Rev. Lett. 71, 129 (1993) - Published 5 July, 1993

Electron excitations in solid $C_{60}$ : Energy gap, band dispersions, and effects of orientational disorder

Eric L. Shirley and Steven G. Louie

Phys. Rev. Lett. 71, 133 (1993) - Published 5 July, 1993

Recovery of quantized ballistic conductance in a periodically modulated channel

Manhua Leng and Craig S. Lent

Phys. Rev. Lett. 71, 137 (1993) - Published 5 July, 1993

Crossing of cyclotron and spin resonances in two-dimensional Coulomb gas

Vladimir I. Fal’ko

Phys. Rev. Lett. 71, 141 (1993) - Published 5 July, 1993

Surface plasmon dispersion of Ag

A. Liebsch

Phys. Rev. Lett. 71, 145 (1993) - Published 5 July, 1993

Quantitative study of electron transport in ballistic-electron-emission microscopy

A. Bauer, M. T. Cuberes, M. Prietsch, and G. Kaindl

Phys. Rev. Lett. 71, 149 (1993) - Published 5 July, 1993

Mixed-spin incompressible states in the fractional quantum Hall effect

X. G. Wu, G. Dev, and J. K. Jain

Phys. Rev. Lett. 71, 153 (1993) - Published 5 July, 1993

Interlayer Josephson coupling of thermally excited vortices in ${Bi}_{2}$ ${Sr}_{2}$ ${CaCu}_{2}$ $O_{8 - y}$

Y. M. Wan, S. E. Hebboul, D. C. Harris, and J. C. Garland

Phys. Rev. Lett. 71, 157 (1993) - Published 5 July, 1993

Direct observation of vortex decoupling in synthetic MoGe/Ge multilayers

D. G. Steel, W. R. White, and J. M. Graybeal

Phys. Rev. Lett. 71, 161 (1993) - Published 5 July, 1993

Ferrimagnetic phases in the Blume-Emery-Griffiths model: Implications for the antiferromagnetic Potts model

Anders Rosengren and Saulius Lapinskas

Phys. Rev. Lett. 71, 165 (1993) - Published 5 July, 1993

Universal magnetic properties of ${La}_{2 - δ}$ ${Sr}_{δ}$ ${CuO}_{4}$ at intermediate temperatures

Andrey V. Chubukov and Subir Sachdev

Phys. Rev. Lett. 71, 169 (1993) - Published 5 July, 1993

Analytical solution of the off-equilibrium dynamics of a long-range spin-glass model

L. F. Cugliandolo and J. Kurchan

Phys. Rev. Lett. 71, 173 (1993) - Published 5 July, 1993

Evidence for critical fluctuations in Bloch walls near their disordering temperature

J. Kötzler, D. A. Garanin, M. Hartl, and L. Jahn

Phys. Rev. Lett. 71, 177 (1993) - Published 5 July, 1993

Geometrical resonance in magnetic multilayers

E. Bruno and B. L. Gyorffy

Phys. Rev. Lett. 71, 181 (1993) - Published 5 July, 1993

Photoinduced antiferromagnetic interlayer coupling in Fe/(Fe-Si) superlattices

J. E. Mattson, Sudha Kumar, Eric E. Fullerton, S. R. Lee, C. H. Sowers, M. Grimsditch, S. D. Bader, and F. T. Parker

Phys. Rev. Lett. 71, 185 (1993) - Published 5 July, 1993

Effect of isotopic constitution of diamond on its elastic constants: ${}^{13}C$ diamond, the hardest known material

A. K. Ramdas, S. Rodriguez, M. Grimsditch, T. R. Anthony, and W. F. Banholzer

Phys. Rev. Lett. 71, 189 (1993) - Published 5 July, 1993

Cross-Disciplinary Physics

Low-frequency floppy modes in β-cristobalite

Ian P. Swainson and Martin T. Dove

Phys. Rev. Lett. 71, 193 (1993) - Published 5 July, 1993

Formation of ripple patterns and dunes by wind-blown sand

Hiraku Nishimori and Noriyuki Ouchi

Phys. Rev. Lett. 71, 197 (1993) - Published 5 July, 1993

COMMENTS

Comment on ‘‘Measurement of the ratio of double-to-single photoionization of helium at 2.8 keV using synchrotron radiation’’

James A. R. Samson, Chris H. Greene, and R. J. Bartlett

Phys. Rev. Lett. 71, 201 (1993) - Published 5 July, 1993

Volume 71, Issue 1

LETTERS

General Physics

Gravitation and Astrophysics

Elementary Particles and Fields