• LETTERS
  • General Physics
  • Nuclear Physics
  • Atomic, Molecular, and Optical Physics
  • Plasma and Beam Physics
  • Condensed Matter: Structure, Etc.
  • Condensed Matter: Electronic Properties, Etc.
  • Geophysics, Astronomy, and Astrophysics
• COMMENTS

•	Hypergravitational field equations David Finkelstein, Shlomit Ritz Finkelstein, and Christian Holm pp. 1265-1266 [View   PDF (277 kB) ]

•	Medium-modified form factors, relativistic dynamics, and the (e,e’p) reaction T. D. Cohen, J. W. Van Orden, and A. Picklesimer pp. 1267-1269 [View   PDF (489 kB) ]

•	Gamma radiation from the N=Z nucleus 4080Zr40 C. J. Lister, M. Campbell, A. A. Chishti, W. Gelletly, L. Goettig, R. Moscrop, B. J. Varley, A. N. James, T. Morrison, H. G. Price, J. Simpson, K. Connel, and O. Skeppstedt pp. 1270-1273 [View   PDF (590 kB) ]

•	Laser resonance photoionization spectroscopy of Rydberg levels in Fr S. V. Andreev, V. S. Letokhov, and V. I. Mishin pp. 1274-1276 [View   PDF (458 kB) ]

•	Photoemission of pairs of electrons from rare-gas solids H. W. Biester, M. J. Besnard, G. Dujardin, L. Hellner, and E. E. Koch pp. 1277-1280 [View   PDF (540 kB)  See Also: Erratum]

•	Spontaneous spin polarization and bistability in atomic vapors by optical pumping with unpolarized light Norval Fortson and Blayne Heckel pp. 1281-1284 [View   PDF (531 kB) ]

•	Energies of atoms with nonspherical charge densities calculated with nonlocal density-functional theory Frank W. Kutzler and G. S. Painter pp. 1285-1288 [View   PDF (485 kB) ]

•	Cooperative quantum jumps with two atoms Maciej Lewenstein and Juha Javanainen pp. 1289-1292 [View   PDF (525 kB) ]

•	Highly resolved spectra of local modes of benzene Ralph H. Page, Y. R. Shen, and and Y. Lee pp. 1293-1296 [View   PDF (527 kB)  See Also: Erratum]

•	Quantum-defect theory of double-minimum states in H2 S. Ross and Ch. Jungen pp. 1297-1300 [View   PDF (630 kB) ]

•	Space-potential and density fluctuations in the ISX-B tokamak G. A. Hallock, A. J. Wootton, and R. L. Hickok pp. 1301-1304 [View   PDF (477 kB) ]

•	Tunneling and nonuniversal conductivity in composite materials I. Balberg pp. 1305-1308 [View   PDF (648 kB) ]

•	Proof of the Peierls instability in one dimension Tom Kennedy and Elliott H. Lieb pp. 1309-1312 [View   PDF (564 kB) ]

•	Observation of phonon modes through resonant mixing with electronic states in the secondary-emission spectra of a GaAs/Al0.32Ga0.68As single quantum well A. Madhukar, P. D. Lao, W. C. Tang, M. Aidan, and F. Voillot pp. 1313-1316 [View   PDF (674 kB) ]

•	Glassy thermal anomalies due to dipolar reorientations? Specific heat of N2-Ar-CO alloys C. I. Nicholls, L. N. Yadon, D. G. Haase, and Mark S. Conradi pp. 1317-1320 [View   PDF (620 kB) ]

•	Orientation of arachidate chains in Langmuir-Blodgett monolayers on Si(111) D. A. Outka, J. Stöhr, J. Rabe, J. D. Swalen, and H. H. Rotermund pp. 1321-1324 [View   PDF (563 kB) ]

•	Model for smectic-A ordering of parallel hard rods Xin Wen and Robert B. Meyer pp. 1325-1328 [View   PDF (592 kB) ]

•	Soft-phonon behavior and transport in single-crystal La2CuO4 R. J. Birgeneau, C. Y. Chen, D. R. Gabbe, H. P. Jenssen, M. A. Kastner, C. J. Peters, P. J. Picone, Tineke Thio, T. R. Thurston, H. L. Tuller, J. D. Axe, P. Böni, and G. Shirane pp. 1329-1332 [View   PDF (570 kB) ]

•	Electronic structure and excitonic-enhanced superconducting mechanism in YBa2Cu3O7-δ W. Y. Ching, Yongnian Xu, Guang-Lin Zhao, K. W. Wong, and F. Zandiehnadem pp. 1333-1336 [View   PDF (626 kB) ]

•	Resistivity of La1.825Sr0.175CuO4 and YBa2Cu3O7 to 1100 K: Absence of saturation and its implications M. Gurvitch and A. T. Fiory pp. 1337-1340 [View   PDF (594 kB) ]

•	Quantum oscillations in the thermal conductance of GaAs/AlGaAs heterostructures J. P. Eisenstein, A. C. Gossard, and V. Narayanamurti pp. 1341-1344 [View   PDF (608 kB) ]

•	Intersubband relaxation in GaAs-AlxGa1-xAs quantum well structures observed directly by an infrared bleaching technique A. Seilmeier, H.-J. Hübner, G. Abstreiter, G. Weimann, and W. Schlapp pp. 1345-1348 [View   PDF (529 kB) ]

•	Effect of repulsive and attractive scattering centers on the magnetotransport properties of a two-dimensional electron gas R. J. Haug, R. R. Gerhardts, K. v. Klitzing, and K. Ploog pp. 1349-1352 [View   PDF (618 kB) ]

•	Evidence for edge currents in the integral quantum Hall effect B. E. Kane, D. C. Tsui, and G. Weimann pp. 1353-1356 [View   PDF (580 kB) ]

•	Absorption spectroscopy of the continuous transition from low to high electron density in a single modulation-doped InGaAs quantum well I. Bar Joseph, J. M. Kuo, C. Klingshirn, G. Livescu, T. Y. Chang, D. A. Miller, and D. S. Chemla pp. 1357-1360 [View   PDF (672 kB) ]

•	Lattice-induced double peak in the dielectric response of Be metal W. Schülke, U. Bonse, H. Nagasawa, S. Mourikis, and A. Kaprolat pp. 1361-1364 [View   PDF (560 kB) ]

•	Pseudopotentials and quasicrystals A. P. Smith and N. W. Ashcroft pp. 1365-1368 [View   PDF (575 kB) ]

•	Gravitational particle production in the formation of cosmic strings Leonard Parker pp. 1369-1372 [View   PDF (485 kB) ]

•	Comment on ‘‘Dynamical symmetries of the interacting-boson model from a non-U(6) viewpoint’’ J. N. Ginocchio, R. F. Casten, D. H. Feng, C. L. Wu, and X. L. Han pp. 1373 [View   PDF (166 kB) ]

•	Geyer, Hahne, and Scholtz reply H. B. Geyer, F. J. Hahne, and F. G. Scholtz pp. 1374 [View   PDF (144 kB) ]

•	Comment on ‘‘Nuclear-density dependence of the electron-proton coupling’’ R. W. Lourie and P. E. Ulmer pp. 1375 [View   PDF (136 kB) ]

•	van der Steenhoven et al. reply G. van der Steenhoven, H. P. Blok, E. Jans, L. Lapikás, and P. K. de Witt Huberts pp. 1376 [View   PDF (172 kB) ]