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Europhysics Letters

Vol. 48 No. 5 (December 1999)


+ General -  General
Vortex structures in dilute quantum fluids     p. 475
T. Winiecki, J. F. McCann, and C.S. Adams
DOI: 10.1209/epl/i1999-00507-2
| Abstract | Full HTML | PDF | References |
Berry and geometrical phase induced by torsion field     p. 482
S. Capozziello, G. Lambiase, and C. Stornaiolo
DOI: 10.1209/epl/i1999-00508-7
| Abstract | Full HTML | PDF | References |
New integral relaxation time for thermal activation of magnetic particles     p. 486
D.A. Garanin
DOI: 10.1209/epl/i1999-00509-0
| Abstract | Full HTML | PDF | References |
Threshold diffusion in a tilted washboard potential     p. 491
G. Costantini, and F. Marchesoni
DOI: 10.1209/epl/i1999-00510-7
| Abstract | Full HTML | PDF | References |
Coupled parametric oscillators     p. 498
I. Bena, and C. Van den Broeck
DOI: 10.1209/epl/i1999-00511-0
| Abstract | Full HTML | PDF | References |


+ Nuclear physics -  Nuclear physics
Density dependence of the nuclear symmetry energy in a relativistic mean-field approach     p. 505
S. Haddad
DOI: 10.1209/epl/i1999-00512-5
| Abstract | Full HTML | PDF | References |
Evidence of non-statistical fluctuation in medium-energy protons emitted in the fragmentation process of ultra-relativistic nuclear interaction     p. 508
D. Ghosh, A. Deb, J. Ghosh, R. Chattopadhyay, M. Lahiri, A.K. Jafry, Md. A. Rahman, K. Purkait, S. Das, and M. Basu
DOI: 10.1209/epl/i1999-00513-x
| Abstract | Full HTML | PDF | References |


+ Atomic and molecular physics -  Atomic and molecular physics
Breakdown of the Born-Oppenheimer approach for a diatomic molecule: LiH in the D state     p. 513
F. Gemperle, and F.X. Gadéa
DOI: 10.1209/epl/i1999-00514-3
| Abstract | Full HTML | PDF | References |
Positron annihilation in molecules: The role of vibrational excitation     p. 519
F.A. Gianturco, and T. Mukherjee
DOI: 10.1209/epl/i1999-00515-8
| Abstract | Full HTML | PDF | References |


+ Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics -  Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics
Analytical calculation of the excess noise for different aperture shapes     p. 526
K. Joosten, and G. Nienhuis
DOI: 10.1209/epl/i1999-00516-1
| Abstract | Full HTML | PDF | References |
Influence of spin-laser interaction on relativistic harmonic generation     p. 533
M.W. Walser, C. Szymanowski, and C.H. Keitel
DOI: 10.1209/epl/i1999-00517-6
| Abstract | Full HTML | PDF | References |


+ Condensed matter: structure, mechanical and thermal properties -  Condensed matter: structure, mechanical and thermal properties
Collapse of semi-flexible brushes in poor solvents: Tilting and bending     p. 540
J.N. Bright, and D.R.M. Williams
DOI: 10.1209/epl/i1999-00103-6
| Abstract | Full HTML | PDF | References |
Conformal theory of the dimensions of diffusion-limited aggregates     p. 547
B. Davidovich, and I. Procaccia
DOI: 10.1209/epl/i1999-00518-y
| Abstract | Full HTML | PDF | References |
Scanning tunneling microscopy artifact and real structure: Steps of Ag(110)     p. 554
R. Koch, J.J. Schulz, and K.H. Rieder
DOI: 10.1209/epl/i1999-00519-4
| Abstract | Full HTML | PDF | References |


+ Condensed matter: electronic structure, electrical, magnetic and optical properties -  Condensed matter: electronic structure, electrical, magnetic and optical properties
spl(2,1) dynamical supersymmetry and suppression of ferromagnetism in flat-band double-exchange models     p. 561
K. Penc, and R. Lacaze
DOI: 10.1209/epl/i1999-00520-y
| Abstract | Full HTML | PDF | References |
Resonant defect scattering in thorium-doped     p. 568
T. Schreiner, E.-W. Scheidt, and G.R. Stewart
DOI: 10.1209/epl/i1999-00521-4
| Abstract | Full HTML | PDF | References |
Exchange bias model for Fe/FeF: Role of domains in the ferromagnet     p. 573
M. Kiwi, J. Mejía-López, R. D. Portugal, and R. Ramírez
DOI: 10.1209/epl/i1999-00522-9
| Abstract | Full HTML | PDF | References |


+ Interdisciplinary physics and related areas of science and technology -  Interdisciplinary physics and related areas of science and technology
The strong-collision model for activated rate processes     p. 580
A. I. Shushin
DOI: 10.1209/epl/i1999-00523-2
| Abstract | Full HTML | PDF | References |
Studies of sector formation in expanding bacterial colonies     p. 587
I. Golding, I. Cohen, and E. Ben-Jacob
DOI: 10.1209/epl/i1999-00524-7
| Abstract | Full HTML | PDF | References |
Sleep-wake differences in scaling behavior of the human heartbeat: Analysis of terrestrial and long-term space flight data     p. 594
P.Ch. Ivanov, A. Bunde, L.A.N. Amaral, S. Havlin, J. Fritsch-Yelle, R.M. Baevsky, H.E. Stanley, and A.L. Goldberger
DOI: 10.1209/epl/i1999-00525-0
| Abstract | Full HTML | PDF | References |