M. Bovet, D. Popović, F. Clerc, C. Koitzsch, U. Probst, E. Bucher, H. Berger, D. Naumović, and P. Aebi Département de Physique, Université de Fribourg, Pérolles, CH-1700 Fribourg, Switzerland Experimentalphysik, Universität des Saarlandes, D-66123 Saarbrücken, Germany Institut de Physique, Université de Neuchâtel, CH-2000 Neuchâtel, Switzerland Fachbereich Physik, Universität Konstanz, D-78457 ...

Using a two-channel model, we show that the number of closed-channel molecules in a twocomponent Fermi gas close to a Feshbach resonance is directly related to the derivative of the energy of the gas with respect to the inverse scattering length. We extract this quantity from the fixed-node Monte Carlo equation of state and we compare to the number of closed-channel molecules measured in the Ri...

PREVIOUS experiments with TEM (triethanomelamine) on chick and mouse embryos (Jurand, 1958, 1959) have shown that some embryonic regions are more sensitive than others to its cytotoxic activity. TEM appeared to be specifically active against mesodermal structures, particularly against the somitic mesoderm, being relatively less active against other tissues. In amphibian embryos, however, the ne...

This contribution presents a review of results obtained from computations of approximate equations of motion for the Fermi-Pasta-Ulam lattice. These approximate equations are obtained as a finite-dimensional Birkhoff normal form. It turns out that in many cases, the Birkhoff normal form is suitable for application of the KAM theorem. In particular this proves Nishida’s 1971 conjecture stating t...

The melting of monolayers of isotopically labeled n-alkanes on Pt(111) surfaces has been followed by reflection-absorption infrared (RAIR) spectroscopy, and the results are compared with those of an earlier study of the unlabeled molecules (J. Phys. Chem. 1995, 99, 15629-15278). Temperature-dependent studies show that monolayers of the n-octane isotopolog, CD3(CH2)6CD3, melt on Pt(111) from a t...

We study a R 2 model of gravity with torsion in a closed Friedmann-Robertson-Walker universe. The model is cast in Hamiltonian form subtracting from the original Lagrangian the total time derivative of f K f R , where f K is proportional to the trace of the extrinsic curvature tensor, and f R is obtained differentiating the Lagrangian with respect to the highest derivative. Torsion is found to ...

In this study, we firstly introduce a different type of directional Fermi-Walker transportations along with vortex lines non-vanishing vector field in three-dimensional Minkowski space. Then consider some geometric quantities, which are used to characterize lines, order express angular velocity (Darboux vector) the system terms these quantities. Later present timelike magnetic by computing Lore...