Recently, two experiments, reported in Science[1, 2], have studied a polarized ultra-cold degenerate Fermi gas. This is a very new area that has attracted a great amount of interest from widely varying fields ranging from condensed matter physics, atomic molecular and optical physics, to particle and astro physics. As polarized Fermi gases have been demonstrated to be stable near the resonance,...

Introduction to the ideal gas laws, kinetic-molecular theory and real gases

A many-body system of fermion atoms with a model interaction characterized by the scattering length a is considered. We treat both a and the density as parameters assuming that the system can be created artificially in a trap. If a is negative the system becomes strongly correlated at densities ρ ∼ |a| −3 , provided the scattering length is the dominant parameter of the problem. It means that w...

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Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Abstract Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion EGU Abstract MIPAS, on ENVISAT, has made high quality observations of ozone, methane and water vapour. Gridded fields, at 4 hourly intervals and approximately 2 degree resolution, ...

We consider the inelastic Maxwell model, which consists of a collection of particles that are characterized by only their velocities and evolving through binary collisions and external driving. At any instant, a particle is equally likely to collide with any of the remaining particles. The system evolves in continuous time with mutual collisions and driving taken to be point processes with rate...

Measurements have confirmed a theoretical prediction published in 2006: all strongly interacting Fermi gases were predicted to show identical thermodynamic behaviour. Late in 2006, detailed experimental data became available for the first time, for different fermions under different conditions. All the new data lies on a single universal curve, exactly as we predicted. This is an outstanding di...

We investigate a new way of realizing a period of cosmological inflation in the context of brane gas cosmology. It is argued that a gas of codimension one branes, out of thermal equilibrium with the rest of the matter, has an equation of state which can—after stabilization of the dilaton—lead to power-law inflation of the bulk. The most promising implementation of this mechanism might be in typ...

We show that the density profile of a Fermi gas in rapidly rotating potential will develop prominent features reflecting the underlying Landau-level-like energy spectrum. Depending on the aspect ratio of the trap, these features can be a sequence of ellipsoidal volumes or a sequence of quantized steps.

• The actual flow rate is constant for the outlet pressure range of 35.30 psig to as low as a complete vacuum. The flow rate can be obtained from the charts on pages 16-18; e.g. for an orifice of .010" diameter and with 80 psig inlet pressure, the choked flow rate is 8.4 scfh (page 16). This flow rate will be constant for all outlet pressure conditions between 35.30 psig and full vacuum. 0 1 .5...