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- Centre National de la Recherche ScientifiqueFR221 papers
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11 papers · 2 filters
Finite Range Effects in Energies and Recombination Rates of Three Identical Bosons
P. K. Sørensen, D. V. Fedorov, A. S. Jensen +1
We investigate finite-range effects in systems with three identical bosons. We calculate recombination rates and bound state spectra using two different finite-range models that ha…
Efimov States of Heavy Impurities in a Bose-Einstein Condensate
N. T. Zinner
We consider the problem of two heavy impurity particles embedded in a gas of weakly-interacting light mass bosonic particles in the condensed state. Using the Bogoliubov approach t…
Mass-imbalanced Three-Body Systems in Two Dimensions
F. F. Bellotti, T. Frederico, M. T. Yamashita +3
We consider three-body systems in two dimensions with zero-range interactions for general masses and interaction strengths. The momentum-space Schrödinger equation is solved numeri…
Dimensional Effects on the Momentum distribution of Bosonic Trimer States
F. F. Bellotti, T. Frederico, M. T. Yamashita +3
The momentum distribution is a powerful probe of strongly-interacting systems that are expected to display universal behavior. This is contained in the contact parameters which rel…
Dipolar fermions in a two-dimensional lattice at non-zero temperature
Anne-Louise Gadsbolle, G. M. Bruun
We examine density ordered and superfluid phases of fermionic dipoles in a two-dimensional square lattice at non-zero temperature. The critical temperature of the density ordered p…
Efimov Physics and the Three-Body Parameter within a Two-Channel Framework
P. K. Sørensen, D. V. Fedorov, A. S. Jensen +1
We calculate shallow three-body bound states in the universal regime, defined by Efimov, with inclusion of both scattering length and effective range parameters. The universal spec…