1998 ANNUAL INDEX - PR VOLUMES 57 and 58, PRL VOLUMES 80 and 81 Section U

Collaborations | Authors A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Uba, L.
    see [Uba,S., Phys. Rev. B 57, 1534 (1998)]
    see [Yaresko,A.N., Phys. Rev. B 58, 7648 (1998)]
Uba, S.
    S. Uba, A.N. Yaresko, L. Uba, A.Ya. Perlov, V.N. Antonov, R. Gontarz, and H. Ebert
    Influence of alloy composition and local environment on the magneto-optical properties of Co$"" sub x_Pd$"" sub 1-x_ alloys
    PACS: 78.20.Ls 71.20.Be
    Phys. Rev. B 57, 1534 (1998) [abstract]

    see [Yaresko,A.N., Phys. Rev. B 58, 7648 (1998)]

Ubezio, P. Ubriaco, Marcelo R.
    Marcelo R. Ubriaco
    Bose-Einstein condensation of a quantum group boson gas
    PACS: 05.30.-d
    Phys. Rev. E 57, 179 (1998) [abstract]

    Marcelo R. Ubriaco
    Effect of quantum group invariance on trapped Fermi gases
    PACS: 05.30.-d
    Phys. Rev. E 58, 4191 (1998) [abstract]

Uchida, A.
    A. Uchida, T. Sato, T. Ogawa, and F. Kannari
    Nonfeedback control of chaos in a microchip solid-state laser by internal frequency resonance
    PACS: 05.45.+b 42.65.Sf
    Phys. Rev. E 58, 7249 (1998) [abstract]
Uchida, K.
    see [Nomura,S., Phys. Rev. B 58, 6744 (1998)]
    see [Kwok,S.H., Phys. Rev. B 58, R13395 (1998)]
Uchida, Kazuhito Uchida, S.
    see [Nachumi,B., Phys. Rev. Lett. 80, 206 (1998)]
    see [Neudert,R., Phys. Rev. Lett. 81, 657 (1998)]
    see [Nagata,T., Phys. Rev. Lett. 81, 1090 (1998)]
    see [Ino,A., Phys. Rev. Lett. 81, 2124 (1998)]
    see [Böske,T., Phys. Rev. B 57, 138 (1998)]
    see [Haffner,S., Phys. Rev. B 57, 3672 (1998)]
    see [Mizuno,Y., Phys. Rev. B 57, 5326 (1998)]
    see [Cox,D.E., Phys. Rev. B 57, 10750 (1998)]
    see [Nachumi,B., Phys. Rev. B 58, 8760 (1998)]
Uchida, Shin-ichi Uchida, T.
    see [Abe,F., Phys. Rev. Lett. 80, 1156 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2057 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2525 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2767 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2773 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2779 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 3461 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 5275 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 5720 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 1367 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 1791 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 2432 (1998)]
    see [Yoshida,Z., Phys. Rev. Lett. 81, 2458 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 4806 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5278 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5513 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5742 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5748 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5754 (1998)]
    see [Abe,F., Phys. Rev. D 57, 67 (1998)]
    see [Abe,F., Phys. Rev. D 57, R3811 (1998)]
    see [Abe,F., Phys. Rev. D 57, 5382 (1998)]
    see [Abe,F., Phys. Rev. D 58, R31101 (1998)]
    see [Abe,F., Phys. Rev. D 58, R51102 (1998)]
    see [Abe,F., Phys. Rev. D 58, 72001 (1998)]
    see [Abe,F., Phys. Rev. D 58, R91101 (1998)]
    see [Abe,F., Phys. Rev. D 58, 92002 (1998)]
    see [Abe,F., Phys. Rev. D 58, 112004 (1998)]
Uchihori, Y. Uchikawa, Yoshiki Uchino, Takashi
    Takashi Uchino, Yomei Tokuda, and Toshinobu Yoko
    Vibrational dynamics of defect modes in vitreous silica
    PACS: 61.43.Fs 63.50.+x 78.30.Ly
    Phys. Rev. B 58, 5322 (1998) [abstract]
Uchinokura, K. Uchiyama, K. Uchiyama, Y.
    see [Masuda,T., Phys. Rev. Lett. 80, 4566 (1998)]
Uda, Tsuyoshi Udagawa, Masayuki Udem, Th.
    see [Huber,A., Phys. Rev. Lett. 80, 468 (1998)]
Udovic, Terrence J. Udovic, T.J.
    see [Hauer,B., Phys. Rev. B 57, 11115 (1998)]
Ueberholz, B.
    see [Gomer,V., Phys. Rev. A 58, R1657 (1998)]
Ueberholz, P. Uebing, C.
    C. Uebing and V.P. Zhdanov
    Comment on ``Non-Arrhenius behavior of surface diffusion near a phase transition boundary''
    PACS: 68.35.Fx 82.20.Pm
    Phys. Rev. Lett. 80, 5455 (1998) [abstract]

    see [Tarasenko,A.A., Phys. Rev. B 57, 10166 (1998)]

Ueda, I. Ueda, Kazuo Ueda, Kiyoshi Ueda, M.
    M. Ueda, M.P. Pato, M.S. Hussein, and N. Takigawa
    Forward glory phenomenon in the dark-side of heavy-ion nuclear rainbow scattering
    PACS: 25.70.Bc 24.10.Ht
    Phys. Rev. Lett. 81, 1809 (1998) [abstract]
Ueda, Masahito
    Masahito Ueda and Anthony J. Leggett
    Macroscopic quantum tunneling of a Bose-Einstein condensate with attractive interaction
    PACS: 03.75.Fi 05.30.Jp 32.80.Pj 73.40.Gk
    Phys. Rev. Lett. 80, 1576 (1998) [abstract]

    Masahito Ueda and Anthony J. Leggett
    Ueda and Leggett reply
    PACS: 03.75.Fi 05.30.Jp 32.80.Pj 73.40.Gk
    Phys. Rev. Lett. 81, 1343 (1998) [abstract]

    see [Koashi,Masato, Phys. Rev. A 58, 2699 (1998)]
    see [Tanamoto,Tetsufumi, Phys. Rev. B 57, 14638 (1998)]

Ueda, T.
    see [Hata,K., Phys. Rev. B 57, 4500 (1998)]
Ueda, Y. Ueda, Yoshisuke Uehara, M.
    see [Nagata,T., Phys. Rev. Lett. 81, 1090 (1998)]
    see [Magishi,K., Phys. Rev. B 57, 11533 (1998)]
Uehara, Masatomo Uehara, S.
    see [Odaka,S., Phys. Rev. Lett. 81, 2428 (1998)]
    see [Miura,M., Phys. Rev. D 57, 5345 (1998)]
Uehara, Y. Ueki, S.
    see [Yamada,K., Phys. Rev. B 57, 6165 (1998)]
Uemura, N.
    see [Abe,F., Phys. Rev. Lett. 80, 1156 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2525 (1998)]
    see [Abe,F., Phys. Rev. D 57, 67 (1998)]
    see [Abe,F., Phys. Rev. D 57, 1359 (1998)]
Uemura, Y.J. Uen, T.M.
    see [Kao,R.T., Phys. Rev. B 58, 11207 (1998)]
Ueno, H. Ueno, Nobuo Ueno, S. Ueno, Y.
    see [Kishino,S., Phys. Rev. B 58, R13430 (1998)]
Ueno-Hayashi, S.
    see [Ahle,L., Phys. Rev. Lett. 81, 2650 (1998)]
    see [Ahle,L., Phys. Rev. C 57, R466 (1998)]
    see [Ahle,L., Phys. Rev. C 57, 1416 (1998)]
    see [Ahle,L., Phys. Rev. C 58, 3523 (1998)]
Uenoyama, Takeshi Uesaka, T. Uesawa, A. Ueta, Tsuyoshi Uffmann, D. Ugajin, Ryuichi
    Ryuichi Ugajin
    Hubbard gap tunneling in quantum dot chains: An investigation using absorption spectra
    PACS: 73.20.Dx 78.66.-w
    Phys. Rev. Lett. 80, 572 (1998) [abstract]
Ugalde, Jesus M. Ugolini, D. Uher, C. Uhlenbruck, S.
    S. Uhlenbruck, B. Büchner, R. Gross, A. Freimuth, A. Maria de Leon Guevara, and A. Revcolevschi
    Thermopower and anomalous heat transport in La$"" sub 0.85_Sr$"" sub 0.15_MnO$"" sub 3_
    PACS: 63.90.+t 75.50.Cc 72.15.Eb
    Phys. Rev. B 57, R5571 (1998) [abstract]
Uhlisch, D.
    D. Uhlisch, J. Appenzeller, M.F. Tietze, Th. Schäpers, M. Hollfelder, and H. Lüth
    Investigation of characteristic scattering lengths in strained In$"" sub 0.53_Ga$"" sub 0.47_As/In$"" sub 0.76_Ga$"" sub 0.24_As/InP by means of hot ballistic electrons
    PACS: 72.20.My 73.20.Dx 72.15.Qm
    Phys. Rev. B 57, 1834 (1998) [abstract]
Uhlmann, S.
    S. Uhlmann, Th. Frauenheim, and Y. Lifshitz
    Molecular-dynamics study of the fundamental processes involved in subplantation of diamondlike carbon
    PACS: 68.55.-a 68.35.Bs 81.05.Tp 81.15.-z
    Phys. Rev. Lett. 81, 641 (1998) [abstract]
Uhrberg, R.I.G.
    R.I.G. Uhrberg and T. Balasubramanian
    Electronic structure of the $sqrt 3 times sqrt 3_-$alpha_ and $3 times 3_ periodicities of Sn/Ge(111)
    PACS: 68.35.-p 73.20.-r 79.60.-i
    Phys. Rev. Lett. 81, 2108 (1998) [abstract]

    R.I.G. Uhrberg, T. Kaurila, and Y.-C. Chao
    Low-temperature photoemission study of the surface electronic structure of Si(111)7$ times_7
    PACS: 73.20.-r 68.35.Bs 79.60.Bm
    Phys. Rev. B 58, R1730 (1998) [abstract]

    see [Yeom,H.W., Phys. Rev. B 58, 10540 (1998)]

Uhrig, Götz S.
    Götz S. Uhrig
    Nonadiabatic approach to spin-Peierls transitions via flow equations
    PACS: 75.10.Jm 63.20.Kr 63.20.Ls
    Phys. Rev. B 57, R14004 (1998) [abstract]

    Götz S. Uhrig and H.J. Schulz
    Erratum: Magnetic excitation spectrum of dimerized antiferromagnetic chains [B $ bold "54" _, 9624 (1996)]
    PACS: 75.40.Gb 75.10.Jm 75.50.Ee 99.10.+g
    Phys. Rev. B 58, 2900(E) (1998) [abstract]

Uhrig, G.S.
    see [Kalatsky,V.A., Phys. Rev. Lett. 80, 1304 (1998)]

    G.S. Uhrig and B. Normand
    Magnetic properties of (VO)$"" sub 2_P$"" sub 2_O$"" sub 7_ from frustrated interchain coupling
    PACS: 75.10.Jm 75.40.Cx 75.40.Gb
    Phys. Rev. B 58, R14705 (1998) [abstract]

Uhrmacher, M.
    see [Luthin,J., Phys. Rev. B 57, 15272 (1998)]
    see [Attili,R.N., Phys. Rev. B 58, 2563 (1998)]
    see [Aldon,L., Phys. Rev. B 58, 11303 (1998)]
Uiberacker, C. Uilenreef, M.J. Uiterwaal, C.J.G.J.
    C.J.G.J. Uiterwaal, D. Xenakis, D. Charalambidis, P. Maragakis, H. Schröder, and P. Lambropoulos
    Generalized multiphoton-ionization cross sections of the rare gases for 500-fs, 248.6-nm pulses
    PACS: 32.80.Rm 32.80.Fb 32.80.Wr
    Phys. Rev. A 57, 392 (1998) [abstract]

    C.J.G.J. Uiterwaal, B. Witzel, H. Schröder, and K.-L. Kompa
    Self-calibrating method for measuring local multiphoton-ionization yields as a function of absolute intensity
    PACS: 32.80.Rm
    Phys. Rev. A 58, 1592 (1998) [abstract]

    see [Witzel,B., Phys. Rev. A 58, 3836 (1998)]

Újfalussy, B. Uji, S. Ujihara, Toru
    Toru Ujihara and Kozo Osamura
    Effect of nonlinearity of the evolution equation on the spinodal decomposition process in alloys
    PACS: 64.60.Cn
    Phys. Rev. B 58, 11371 (1998) [abstract]
Újsághy, O.
    O. Újsághy and A. Zawadowski
    Spin-orbit-induced magnetic anisotropy for impurities in metallic samples. I. Surface anisotropy
    PACS: 72.15.Qm 73.50.Mx 71.70.Ej
    Phys. Rev. B 57, 11598 (1998) [abstract]

    O. Újsághy and A. Zawadowski
    Spin-orbit-induced magnetic anisotropy for impurities in metallic samples. II. Finite-size dependence in the Kondo resistivity
    PACS: 72.15.Qm 73.50.Mx 71.70.Ej
    Phys. Rev. B 57, 11609 (1998) [abstract]

Ukawa, A.
    see [Aoki,S., Phys. Rev. Lett. 80, 5271 (1998)]
    see [Aoki,S., Phys. Rev. Lett. 80, 5711 (1998)]
    see [Aoki,S., Phys. Rev. Lett. 81, 1778 (1998)]
    see [Aoki,S., Phys. Rev. D 57, 3910 (1998)]
    see [Aoki,S., Phys. Rev. D 58, 54503 (1998)]
Ukawa, Akira Ukegawa, F.
    see [Abe,F., Phys. Rev. Lett. 80, 1156 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2057 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2525 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2767 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2773 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2779 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 3461 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 5275 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 5720 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 1367 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 1791 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 2432 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 4806 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5278 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5513 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5742 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5748 (1998)]
    see [Abe,F., Phys. Rev. Lett. 81, 5754 (1998)]
    see [Abe,F., Phys. Rev. D 57, 67 (1998)]
    see [Abe,F., Phys. Rev. D 57, 1359 (1998)]
    see [Abe,F., Phys. Rev. D 57, R3811 (1998)]
    see [Abe,F., Phys. Rev. D 57, 5382 (1998)]
    see [Abe,F., Phys. Rev. D 58, R31101 (1998)]
    see [Abe,F., Phys. Rev. D 58, R51102 (1998)]
    see [Abe,F., Phys. Rev. D 58, 72001 (1998)]
    see [Abe,F., Phys. Rev. D 58, R91101 (1998)]
    see [Abe,F., Phys. Rev. D 58, 92002 (1998)]
    see [Abe,F., Phys. Rev. D 58, 112004 (1998)]
Ukita, G.M. UKQCD collaboration, Ulivi, L. Ulivi, Lorenzo
    see [Moraldi,Massimo, Phys. Rev. B 58, 234 (1998)]

    Lorenzo Ulivi, Marco Zoppi, Luciano Gioè, and Gabriele Pratesi
    Molecular hydrogen internuclear distance in high-pressure fluid and solid phases at room temperature
    PACS: 78.30.-j 33.15.Dj 34.20.Gj 62.50.+p
    Phys. Rev. B 58, 2383 (1998) [abstract]

Ullah, Nazakat
    Nazakat Ullah
    Partially chaotic ensembles
    PACS: 05.45.+b 02.90.+p
    Phys. Rev. E 57, 350 (1998) [abstract]
Ullio, Piero
    Piero Ullio and Lars Bergström
    Neutralino annihilation into a photon and a $Z_ boson
    PACS: 14.80.Ly 98.35.Gi 98.70.Rz
    Phys. Rev. D 57, 1962 (1998) [abstract]

    see [Bergström,Lars, Phys. Rev. D 58, 83507 (1998)]

Ullmann, J. Ullmo, Denis
    Denis Ullmo, Harold U. Baranger, Klaus Richter, Felix von Oppen, and Rodolfo A. Jalabert
    Chaos and interacting electrons in ballistic quantum dots
    PACS: 05.45.+b 03.65.Sq 05.30.Fk 73.20.Dx
    Phys. Rev. Lett. 80, 895 (1998) [abstract]
Ulloa, S.E. Ulloa, Sergio E. Ullod, C.L.
    see [Bimonte,G., Phys. Rev. Lett. 81, 750 (1998)]
Ullom, J.N.
    J.N. Ullom, P.A. Fisher, and M. Nahum
    Energy-dependent quasiparticle group velocity in a superconductor
    PACS: 74.25.Fy 72.15.Lh
    Phys. Rev. B 58, 8225 (1998) [abstract]
Ullrich, C.A.
    C.A. Ullrich, P.-G. Reinhard, and E. Suraud
    Electron emission from strongly excited metal clusters
    PACS: 36.40.Cg 36.40.Gk 31.15.Ew
    Phys. Rev. A 57, 1938 (1998) [abstract]

    C.A. Ullrich and G. Vignale
    Linewidths of collective excitations of the inhomogeneous electron gas: Application to two-dimensional quantum strips
    PACS: 73.20.Mf 71.10.Ca 71.45.Gm 78.20.Ci
    Phys. Rev. B 58, 7141 (1998) [abstract]

    C.A. Ullrich and G. Vignale
    Collective intersubband transitions in quantum wells: A comparative density-functional study
    PACS: 71.10.Ca 71.45.Gm 73.20.Dx 78.20.Ci
    Phys. Rev. B 58, 15756 (1998) [abstract]

Ullrich, H. Ullrich, J. Ullrich, Peter Ullrich, T. Ulm, G. Ulm, Markus
    see [Tu,Yuhai, Phys. Rev. Lett. 80, 4819 (1998)]
Ulm, M.H. Ulmer, P. Ulmer, P.E. Ulmet, J.P. Ulmke, Martin Ulness, Darin J. Ulrich, A. Ulrichs, E. Um, Chung-In
    Chung-In Um, Shang-Moon Shin, Kyu-Hwang Yeon, and Thomas F. George
    Exact wave function of a harmonic plus an inverse harmonic potential with time-dependent mass and frequency
    PACS: 03.65.Ca 03.65.Ge
    Phys. Rev. A 58, 1574 (1998) [abstract]

    see [Yeon,Kyu Hwang, Phys. Rev. A 58, 1765 (1998)]

Uma Maheswari, V.S.
    V.S. Uma Maheswari, C. Fuchs, Amand Faessler, Z.S. Wang, and D.S. Kosov
    Role of isospin dependent mean field in pion production in heavy ion reactions
    PACS: 25.75.Dw 24.10.Lx
    Phys. Rev. C 57, 922 (1998) [abstract]

    see [Wang,Z.S., Phys. Rev. C 57, 3284 (1998)]

    V.S. Uma Maheswari, J.N. De, and S.K. Samaddar
    Hybrid stars: Spin polarized nuclear matter and density dependent quark masses
    PACS: 97.60.Jd 26.60.+c
    Phys. Rev. D 57, 3242 (1998) [abstract]

Uman, I. Umansky, V. Umbach, E. Umbach, Eberhard Umeda, M. Umeda, Masaichi Umeda, Yoshiaki
    Yoshiaki Umeda, Gi-Chol Cho, and Kaoru Hagiwara
    Constraints on leptophobic $Z prime_ models from electroweak experiments
    PACS: 14.70.Pw 12.60.Cn 12.60.Jv
    Phys. Rev. D 58, 115008 (1998) [abstract]
Umehara, Naoto Umeno, Ken
    Ken Umeno
    Superposition of chaotic process with convergence to Le$aa_vy's stable law
    PACS: 05.45.+b 05.20.-y 05.40.+j
    Phys. Rev. E 58, 2644 (1998) [abstract]
Umeo, K.
    K. Umeo, T. Takabatake, H. Ohmoto, T. Pietrus, H.v. Löhneysen, K. Koyama, S. Hane, and T. Goto
    Low-temperature specific heat and magnetic susceptibility near the pressure-induced quantum phase transition in Ce$"" sub 7_Ni$"" sub 3_
    PACS: 75.30.Kz 71.27.+a 75.20.Hr
    Phys. Rev. B 58, 12095 (1998) [abstract]
Umeton, Cesare Umeyama, Takashi Umezawa, Kenji
    Kenji Umezawa, Shigemitsu Nakanishi, and Walter M. Gibson
    Growth modes depending on the growing temperature in heteroepitaxy: Au/Ni(111)
    PACS: 81.10.Bk 81.15.Ef
    Phys. Rev. B 57, 8842 (1998) [abstract]
Umisedo, S.
    S. Umisedo, H. Suganuma, and H. Toki
    Correlation between confinement and chiral-symmetry breaking in the dual Higgs theory
    PACS: 12.38.Aw 11.30.Rd 12.38.Lg
    Phys. Rev. D 57, 1605 (1998) [abstract]
Umlauff, M.
    M. Umlauff, J. Hoffmann, H. Kalt, W. Langbein, J.M. Hvam, M. Scholl, J. Söllner, M. Heuken, B. Jobst, and D. Hommel
    Direct observation of free-exciton thermalization in quantum-well structures
    PACS: 78.66.Hf 71.35.-y 78.47.+p 78.55.Et
    Phys. Rev. B 57, 1390 (1998) [abstract]
Ummels, R.T.M.
    R.T.M. Ummels, P.A. Bobbert, and W. van Haeringen
    First-order corrections to random-phase approximation $GW_ calculations in silicon and diamond
    PACS: 71.10.-w 71.15.-m
    Phys. Rev. B 57, 11962 (1998) [abstract]

    R.T.M. Ummels, P.A. Bobbert, and W. van Haeringen
    $Ab ~ initio_ quasiparticle energies in $2H_, $4H_, and $6H_ SiC
    PACS: 71.10.-w 71.15.-m 71.45.Gm
    Phys. Rev. B 58, 6795 (1998) [abstract]

Umrigar, C.J. Umshaus, Gerhard Umstadter, D.
    see [Chen,S.-Y., Phys. Rev. Lett. 80, 2610 (1998)]
    see [Nantel,M., Phys. Rev. Lett. 80, 4442 (1998)]
Unal, G.
    see [Abe,F., Phys. Rev. Lett. 80, 1156 (1998)]
    see [Abe,F., Phys. Rev. Lett. 80, 2525 (1998)]
    see [Abe,F., Phys. Rev. D 57, 67 (1998)]
    see [Abe,F., Phys. Rev. D 57, 1359 (1998)]
Unal, O. Unanyan, R.G.
    R.G. Unanyan, N.V. Vitanov, and S. Stenholm
    Suppression of incoherent ionization in population transfer via continuum
    PACS: 32.80.Bx 33.80.Be 42.50.-p
    Phys. Rev. A 57, 462 (1998) [abstract]
Underwood, D.G.
    see [Bai,M., Phys. Rev. Lett. 80, 4673 (1998)]
Underwood, James H. Undrus, A. Unel, G.
    see [Adeva,B., Phys. Rev. D 58, 112001 (1998)]
    see [Adeva,B., Phys. Rev. D 58, 112002 (1998)]
    see [Arik,E., Phys. Rev. D 58, 117701 (1998)]
Ungarelli, C. Ungarelli, Carlo Unnikrishnan, C.S. Unno, Y.
    see [Odaka,S., Phys. Rev. Lett. 81, 2428 (1998)]
    see [Miura,M., Phys. Rev. D 57, 5345 (1998)]
Uno, S.
    see [Takaoka,S., Phys. Rev. Lett. 81, 4700 (1998)]
Unruh, W.G. Unterrainer, K.
    see [Rauch,C., Phys. Rev. Lett. 81, 3495 (1998)]
    see [Kersting,R., Phys. Rev. B 58, 4553 (1998)]
Untiedt, C. Uosaki, K.
    see [Scherb,G., Phys. Rev. B 58, 10800 (1998)]
Uozaki, H.
    see [Endo,S., Phys. Rev. B 57, 14422 (1998)]
Uozumi, T. Upadhyay, Shashi K.
    Shashi K. Upadhyay, Akilan Palanisami, Richard N. Louie, and R.A. Buhrman
    Probing ferromagnets with Andreev reflection
    PACS: 75.70.-i 74.80.Fp 85.70.Kh
    Phys. Rev. Lett. 81, 3247 (1998) [abstract]
Upton, P.J.
    P.J. Upton
    Fluids against hard walls and surface critical behavior
    PACS: 68.35.Rh 05.70.Jk 64.60.Fr 82.65.Dp
    Phys. Rev. Lett. 81, 2300 (1998) [abstract]

    see [Borjan,Z., Phys. Rev. Lett. 81, 4911 (1998)]

Upward, M.D. Ur, C.A.
    see [Petrache,C.M., Phys. Rev. C 57, R10 (1998)]
    see [Rao,M.N., Phys. Rev. C 58, R1367 (1998)]
    see [Bazzacco,D., Phys. Rev. C 58, 2002 (1998)]
    see [Svensson,C.E., Phys. Rev. C 58, R2621 (1998)]

    C.A. Ur, D. Bucurescu, S.M. Lenzi, G. Martínez-Pinedo, D.R. Napoli, D. Bazzacco, F. Brandolini, D.M. Brink, J.A. Cameron, E. Caurier, G. de Angelis, M. De Poli, A. Gadea, S. Lunardi, N. Marginean, M.A. Nagarajan, P. Pavan, C. Rossi Alvarez, and C.E. Svensson
    Excited states in $"" sup 52_Fe and the origin of the yrast trap at $I sup pi = 12 sup +_
    PACS: 21.10.Tg 21.60.Cs 23.20.Lv 27.40.+z
    Phys. Rev. C 58, 3163 (1998) [abstract]

Urakami, Tsuneyuki Urakawa, J.
    see [Sato,H., Phys. Rev. B 58, R2933 (1998)]
Urakawa, Osamu Uraltsev, Nikolai Uramoto, Y.
    see [Ishida,S., Phys. Rev. Lett. 80, 3670(E) (1998)]
Uran, S.
    S. Uran, M. Grimsditch, Eric E. Fullerton, and S.D. Bader
    Infrared spectra of giant magnetoresistance Fe/Cr/Fe trilayers
    PACS: 75.70.Pa 73.20.Dx 78.30.Er 78.20.Ci
    Phys. Rev. B 57, 2705 (1998) [abstract]
Urasaki, Kentaro
    Kentaro Urasaki and Tetsuro Saso
    Thermal and dynamical properties of the two-band Hubbard model compared with FeSi
    PACS: 71.28.+d 75.20.Hr 05.30.Fk
    Phys. Rev. B 58, 15528 (1998) [abstract]
Urasawa, S.
    see [Kato,R., Phys. Rev. E 57, 3454 (1998)]
Urasawa, Shigekazu Urata, J.
    J. Urata, M. Goldstein, M.F. Kimmitt, A. Naumov, C. Platt, and J.E. Walsh
    Superradiant Smith-Purcell emission
    PACS: 41.60.-m 07.57.Hm 52.75.Ms
    Phys. Rev. Lett. 80, 516 (1998) [abstract]
Urayama, A.
    see [Sawada,A., Phys. Rev. Lett. 80, 4534 (1998)]
Urbach, H.P.
    H.P. Urbach and G.L.J.A. Rikken
    Spontaneous emission from a dielectric slab
    PACS: 42.50.Ct 32.80.-t 03.70.+k
    Phys. Rev. A 57, 3913 (1998) [abstract]
Urbach, J.S. Urbach, W. Urbahn, J. Urbakh, M.
    see [Zaloj,V., Phys. Rev. Lett. 81, 1227 (1998)]
    see [Rozman,M.G., Phys. Rev. E 57, 7340 (1998)]
Urban, K.
    see [Ebert,Ph., Phys. Rev. B 57, 2821 (1998)]
    see [Domke,C., Phys. Rev. B 57, 4482 (1998)]
    see [Ebert,Ph., Phys. Rev. B 58, 1401 (1998)]
    see [Engels,B., Phys. Rev. B 58, 7799 (1998)]
Urban, Knut Urban, V. Urbanczik, R.
    see [Schröder,M., Phys. Rev. Lett. 80, 4109 (1998)]
    see [Reents,G., Phys. Rev. Lett. 80, 5445 (1998)]

    R. Urbanczik
    Multilayer perceptrons may learn simple rules quickly
    PACS: 87.10.+e 05.90.+m 64.60.Cn
    Phys. Rev. E 58, 2298 (1998) [abstract]

Urbanski, M.
    see [Plewka,P., Phys. Rev. E 57, 6422 (1998)]
Urbassek, Herbert M. Urciuoli, G.M. Urheim, J. Uribe, F.J.
    F.J. Uribe, R.M. Velasco, and L.S. García-Colín
    Burnett description of strong shock waves
    PACS: 47.40.Nm 47.45.-n 51.10.+y
    Phys. Rev. Lett. 81, 2044 (1998) [abstract]

    F.J. Uribe, R.M. Velasco, and L.S. García-Colín
    Two kinetic temperature description for shock waves
    PACS: 05.60.+w 51.10.+y 52.35.Tc
    Phys. Rev. E 58, 3209 (1998) [abstract]

Uribe, Francisco J.
    Francisco J. Uribe and E. Piña
    Comment on ``Invariance principle for extension of hydrodynamics: Nonlinear viscosity''
    PACS: 05.60.+w 05.70.Ln 51.20.+d
    Phys. Rev. E 57, 3672 (1998) [abstract]
Urisu, Tsuneo Urkedal, P.
    P. Urkedal and I. Hamamoto
    Deformation and one-particle orbits in $"" sub 36 sup 71_Kr$"" sub 35_ and $"" sub 35 sup 71_Br$"" sub 36_
    PACS: 21.60.Jz 23.40.Hc 27.50.+e
    Phys. Rev. C 58, R1889 (1998) [abstract]
Urrutia, J.M. Urrutia, Luis F. Urrutia-Bañuelos, E. Urso, S. Uryu, Seiji
    Seiji Uryu and Tsuneya Ando
    Numerical study of localization in antidot lattices
    PACS: 73.20.Dx 73.20.Fz 73.23.Ad 73.23.Ps
    Phys. Rev. B 58, 10583 (1998) [abstract]
Usadel, K.D. Usai, G.
    see [Bertin,A., Phys. Rev. D 57, 55 (1998)]
Usaj, Gonzalo Usami, Mamoru
    Mamoru Usami and Sei-ichiro Suga
    Critical properties of $S = 1/2_ Heisenberg ladders in magnetic fields
    PACS: 75.10.Jm 75.40.Cx 75.40.Mg
    Phys. Rev. B 58, 14401 (1998) [abstract]
Usenko, Alexander S.
    Alexander S. Usenko
    Thermal radiation of a semibounded medium with a transition layer
    PACS: 52.25.Gj 52.25.Sw
    Phys. Rev. E 58, 6465 (1998) [abstract]
Ushakov, Vladimir G. Usher, A.
    see [Watts,J.P., Phys. Rev. Lett. 81, 4220 (1998)]
    see [Hayne,M., Phys. Rev. B 57, 14813 (1998)]
Usher, T.
    see [Abe,K., Phys. Rev. Lett. 80, 660 (1998)]
    see [Abe,K., Phys. Rev. Lett. 81, 942 (1998)]
    see [Abe,K., Phys. Rev. D 58, 112003 (1998)]
Usher, T.D.
    T.D. Usher
    Suppression of switchable polarization in KDP by ionizing radiation
    PACS: 77.80.-e
    Phys. Rev. B 58, 2462 (1998) [abstract]
Usherwood, P.N.R. Ushigusa, K.
    see [Ishida,S., Phys. Rev. Lett. 80, 3670(E) (1998)]
Ushio, Jiro
    Jiro Ushio, Kiyokazu Nakagawa, Masanobu Miyao, and Takuya Maruizumi
    Surface segregation behavior of B, Ga, and Sb during Si MBE: Calculations using a first-principles method
    PACS: 68.35.-p 68.60.-p
    Phys. Rev. B 58, 3932 (1998) [abstract]
Ushioda, S. Ushiyama, K. Usov, V.V.
    V.V. Usov
    Bare quark matter surfaces of strange stars and $e sup + e sup -_ emission
    PACS: 97.60.-s 12.38.Mh
    Phys. Rev. Lett. 80, 230 (1998) [abstract]

    V.V. Usov
    Usov replies
    PACS: 97.60.-s 12.38.Mh
    Phys. Rev. Lett. 81, 4775 (1998) [abstract]

    V.V. Usov and M.V. Smolsky
    Wide ultrarelativistic plasma-beam$ndash_magnetic-barrier collision
    PACS: 41.75.-i 95.30.Gv 95.85.Pw 98.70.Rz
    Phys. Rev. E 57, 2267 (1998) [abstract]

Uspenskaya, L. Ussishkin, Iddo
    Iddo Ussishkin and Ady Stern
    Coulomb drag at $nu = case 1 over 2_: Composite fermion pairing fluctuations
    PACS: 73.40.Hm 71.10.Pm 73.20.Dx
    Phys. Rev. Lett. 81, 3932 (1998) [abstract]
Ustinov, Alexey V.
    Alexey V. Ustinov, Boris A. Malomed, and Shigeki Sakai
    Bunched fluxon states in one-dimensional Josephson-junction arrays
    PACS: 74.50.+r 03.40.Kf 74.80.Dm 41.20.Jb
    Phys. Rev. B 57, 11691 (1998) [abstract]

    see [Sakai,Shigeki, Phys. Rev. B 58, 5777 (1998)]

Ustinov, A.V. Ustinov, V.M. Usui, K.
    see [Ishida,S., Phys. Rev. Lett. 80, 3670(E) (1998)]
Usuki, Tatsuya
    Tatsuya Usuki
    Analysis of Landau-Zener tunneling with an Ohmic reservoir and a noise source
    PACS: 73.23.Hk 73.50.Td 85.30.Wx 34.10.+x
    Phys. Rev. B 57, 7124 (1998) [abstract]

    Tatsuya Usuki
    Erratum: Analysis of Landau-Zener tunneling with an Ohmic reservoir and noise source [B $ bold "57" _, 7124 (1998)]
    PACS: 73.23.Hk 73.50.Td 85.30.Wx 34.10.+x 99.10.+g
    Phys. Rev. B 58, 7456(E) (1998) [abstract]

Usukura, J.
    see [Varga,K., Phys. Rev. Lett. 80, 1876 (1998)]

    J. Usukura, K. Varga, and Y. Suzuki
    Signature of the existence of the positronium molecule
    PACS: 36.10.Dr 31.15.Pf
    Phys. Rev. A 58, 1918 (1998) [abstract]

Utagawa, T.
    see [Nakao,K., Phys. Rev. B 57, 8662 (1998)]
Utermann, Ralf Utku, S.
    S. Utku, J.G. Ross, N.P.T. Bateman, D.W. Bardayan, A.A. Chen, J. Görres, A.J. Howard, C. Iliadis, P.D. Parker, M.S. Smith, R.B. Vogelaar, M. Wiescher, and K. Yildiz
    Breakout from the hot CNO cycle: The $"" sup 18_F($p_,$gamma_) vs $"" sup 18_F($p_,$alpha_) branching ratio
    PACS: 26.30.+k 25.40.Ny 27.20.+n
    Phys. Rev. C 57, 2731 (1998) [abstract]

    S. Utku, J.G. Ross, N.P.T. Bateman, D.W. Bardayan, A.A. Chen, J. Görres, A.J. Howard, C. Iliadis, P.D. Parker, M.S. Smith, R.B. Vogelaar, M. Wiescher, and K. Yildiz
    Erratum: Breakout from the hot CNO cycle: The $"" sup 18_F($p_,$gamma_) vs $"" sup 18_F($p_,$alpha_) branching ratio [C $ bold "57" _, 2731 (1998)]
    PACS: 26.30.+k 25.40.Ny 27.20.+n 99.10.+g
    Phys. Rev. C 58, 1354(E) (1998) [abstract]

Utsuno, Yutaka
    Yutaka Utsuno, Takashi Sebe, Takaharu Otsuka, and Takahiro Mizusaki
    Comment on ``Full $f_-$p_ shell calculation of $"" sup 51_Ca and $"" sup 51_Sc''
    PACS: 21.60.Cs 21.10.-k 23.20.-g 27.40.+z
    Phys. Rev. Lett. 81, 5948 (1998) [abstract]
Utteridge, S.
    see [Fang,Z., Phys. Rev. B 57, 4349 (1998)]
    see [Fang,Z., Phys. Rev. B 57, 12882 (1998)]
Utz, Wolfram
    Wolfram Utz and Wolfgang Förner
    Polarons and bipolarons in $cis_-polyacetylene
    PACS: 71.38.+i 78.66.Qn 72.80.Le
    Phys. Rev. B 57, 10512 (1998) [abstract]
Utzmeier, T. Utzmeier, Thomas Uusitalo, J.
    see [Davids,C.N., Phys. Rev. Lett. 80, 1849 (1998)]
    see [Rehm,K.E., Phys. Rev. Lett. 81, 3341 (1998)]
    see [Eskola,K., Phys. Rev. C 57, 417 (1998)]

    J. Uusitalo, D. Seweryniak, P.F. Mantica, J. Rikovska, D.S. Brenner, M. Huhta, J. Greene, J.J. Ressler, B. Tomlin, C.N. Davids, C.J. Lister, and W.B. Walters
    Decay of the odd-odd $N = Z_ nuclide $"" sup 78_Y
    PACS: 27.50.+e 21.10.Pc 21.10.Tg 23.20.Lv
    Phys. Rev. C 57, 2259 (1998) [abstract]

    see [Muikku,M., Phys. Rev. C 58, R3033 (1998)]

Uwaha, Makio Uwatoko, Y. Uwe, Hiromoto Uwira, O. Uzan, Jean-Philippe
    Jean-Philippe Uzan, Nathalie Deruelle, and Neil Turok
    Conservation laws and cosmological perturbations in curved universes
    PACS: 98.80.Hw 04.20.Cv 98.70.Vc
    Phys. Rev. D 57, 7192 (1998) [abstract]

    Jean-Philippe Uzan
    The no-defect conjecture: Cosmological implications
    PACS: 98.80.Cq 11.30.Qc 98.70.Vc 98.80.Hw
    Phys. Rev. D 58, 87301 (1998) [abstract]

    see [Deruelle,Nathalie, Phys. Rev. D 58, 89901(E) (1998)]

Uzdin, V.M.
    see [Schedin,F., Phys. Rev. B 58, R11861 (1998)]
Uzelac, Katarina Uzer, T.
    see [Farrelly,David, Phys. Rev. Lett. 80, 3884 (1998)]
    see [Rakovic,M.J., Phys. Rev. A 57, 2814 (1998)]
    see [Schweizer,W., Phys. Rev. A 58, 1382 (1998)]
    see [Bellomo,Paolo, Phys. Rev. A 58, 3896 (1998)]

    T. Uzer, Ernestine Lee, and David Farrelly
    Ionization of Rydberg atoms by Coriolis forces
    PACS: 32.80.Rm 03.20.+i 05.45.+b 32.60.+i
    Phys. Rev. A 58, 4761 (1998) [abstract]

    see [Lee,Ernestine, Phys. Rev. B 57, 12281 (1998)]

Uzikov, Yu.N.
    Yu.N. Uzikov
    Backward elastic $p_-$"" sup 3_He scattering and high momentum components of the $"" sup 3_He wave function
    PACS: 25.10.+s 25.40.Cm 21.45.+v
    Phys. Rev. C 58, R36 (1998) [abstract]
Uzunov, I.M.