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Europhysics Letters

Vol. 44, No. 2 (October 1998)



-  General
Geometric phase for a dimerized disordered continuum: Topological shot noise    p. 131
P. Pradhan and N. Kumar
DOI: http://dx.doi.org/10.1209/epl/i1998-00446-x

Single and double interaction zone with comoving fields in Stern-Gerlach atom interferometry    p. 137
K. Brodsky, R. Mathevet, B.J. Lawson-Daku, J. Baudon and J. Robert
DOI: http://dx.doi.org/10.1209/epl/i1998-00447-3

An H-theorem for the lattice Boltzmann approach to hydrodynamics    p. 144
A.J. Wagner
DOI: http://dx.doi.org/10.1209/epl/i1998-00448-8

Diffusion in crystals with nonconservative defects    p. 150
G. Martin and C. Desgranges
DOI: http://dx.doi.org/10.1209/epl/i1998-00449-1

Relative scaling exponents of n-th–order velocity and temperature structure functions    p. 156
B.R. Pearson, T. Zhou and R.A. Antonia
DOI: http://dx.doi.org/10.1209/epl/i1998-00450-8

Conductance fluctuations in microwave-driven Rydberg atoms    p. 162
A. Buchleitner, I. Guarneri and J. Zakrzewski
DOI: http://dx.doi.org/10.1209/epl/i1998-00451-1

Random sequential adsorption with diffusional relaxation in two dimensions    p. 168
E. Eisenberg and A. Baram
DOI: http://dx.doi.org/10.1209/epl/i1998-00452-6



-  Nuclear physics
On the interdependence between ground and one-phonon RPA states    p. 173
M. Sambataro and J. Suhonen
DOI: http://dx.doi.org/10.1209/epl/i1998-00453-y


-  Atomic, molecular and optical physics
Pretransitional thinning of a polymer wetting layer    p. 180
J. Genzer and E.J. Kramer
DOI: http://dx.doi.org/10.1209/epl/i1998-00454-4

Optical Ramsey spectroscopy of atomic hydrogen    p. 186
B. Gross, A. Huber, M. Niering, M. Weitz and T. W. Hänsch
DOI: http://dx.doi.org/10.1209/epl/i1998-00455-9



-  Classical areas of phenomenology
Broadband detection of squeezed vacuum: A spectrum of quantum states    p. 192
G. Breitenbach, F. Illuminati, S. Schiller and J. Mlynek
DOI: http://dx.doi.org/10.1209/epl/i1998-00456-2


-  Condensed matter: structure, thermal and mechanical properties
Observation of an anchoring transition in a discotic liquid crystal    p. 198
T.S. Perova, J.K. Vij and A. Kocot
DOI: http://dx.doi.org/10.1209/epl/i1998-00445-5

Zig-zag walls in the chevron layer structure of smectic liquid crystals: Line energy and selection of the wall orientation    p. 205
L. Limat
DOI: http://dx.doi.org/10.1209/epl/i1998-00457-7

Proton mobility calculations in the presence of negative capacitances    p. 211
F. Fernández Gutiérrez, A.R. Ruiz-Salvador, J.-C. M'Peko and M. Hernández Vélez
DOI: http://dx.doi.org/10.1209/epl/i1998-00458-0

Orientational quantum melting of linear rotors pinned onto surfaces    p. 216
M.H. Müser and J. Ankerhold
DOI: http://dx.doi.org/10.1209/epl/i1998-00459-5



-  Condensed matter: electronic structure, electrical, magneticand optical properties
Spontaneously broken time-reversal symmetry in quantum dots    p. 222
O. Steffens, M. Suhrke and U. Rössler
DOI: http://dx.doi.org/10.1209/epl/i1998-00460-0

Hole pairs in the two-dimensional Hubbard model    p. 229
E. Louis, F. Guinea, M.P. López Sancho and J.A. Vergés
DOI: http://dx.doi.org/10.1209/epl/i1998-00461-5

Weakly correlated electrons on a square lattice: A renormalization group theory    p. 235
D. Zanchi and H.J. Schulz
DOI: http://dx.doi.org/10.1209/epl/i1998-00462-x

Charge ordering and spin-Peierls transition in    p. 242
P. Thalmeier and P. Fulde
DOI: http://dx.doi.org/10.1209/epl/i1998-00463-3

Are ground states of 3d spin glasses ultrametric?    p. 249
A.K. Hartmann
DOI: http://dx.doi.org/10.1209/epl/i1998-00464-8



-  Cross-disciplinary physics and related areas of science andtechnology
Measurement of anisotropies of the kinetic energy and anharmonicity in pyrolytic graphite by neutron Compton scattering    p. 255
A.L. Fielding, D.N. Timms and J. Mayers
DOI: http://dx.doi.org/10.1209/epl/i1998-00465-1

Phase transitions in soft-committee machines    p. 261
M. Biehl, E. Schlösser and M. Ahr
DOI: http://dx.doi.org/10.1209/epl/i1998-00466-6