Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Molecule formation and quantum correlations in optical lattices

Jordi Mur-Petit

Published Oct 2, 2010• 0 citations
OpenAlex

Related papers

Bound states and Cooper pairs of molecules in 2D optical lattices bilayer

Arturo Camacho-Guardian, G. A. Domínguez‐Castro, R. Paredes

We investigate the formation of Cooper pairs, bound dimers and the dimer‐dimer elastic scattering of ultracold dipolar Fermi molecules confined in a 2D optical lattice bilayer configuration. While the energy and their associated bound states are determined in a variational way, the correlated two‐molecule pair is addressed as in the original Cooper formulation. We demonstrate that the 2D lattice confinement favors the formation of zero center mass momentum bound states. Regarding the Cooper pairs binding energy, this depends on the molecule populations in each layer. Maximum binding energies occur for non‐zero (zero) pair momentum when the Fermi system is polarized (unpolarized). We find an analytic expression for the dimer‐dimer effective interaction in the deep BEC regime. The present analysis represents a route for addressing the BCS‐BEC crossover in dipolar Fermi gases confined in 2D optical lattices within the current experimental panorama.

arXiv:1511.06311•Annalen der Physik•Mar 31, 2016•6 citations

Correlation atom pair creation in an optical lattice

Josselin Ruaudel, Marie Bonneau, Raphael Lopes +4 more

•Oct 15, 2011•0 citations

Optimizing Pre-formed Molecules in Mixtures of Ultracold 40K and 87Rb on an Optical Lattice: A Challenge Grant and Capabilities Application Project

James K. Freericks

This work is part of a Defense Advanced Research Projects Agency (DARPA) sponsored project to build an optical lattice emulator, where models of strongly correlated electrons in condensed matter physics are simulated with ultracold atoms moving in an optical lattice. Recently, members of our team have been able to form dense clouds of dipolar fermionic molecules from mixtures of (fermionic)40K and (bosonic)87Rb. Here, we use high performance computing (HPC) resources to find a way to improve the efficiency of molecule formation from the current 20% to almost 100% and thereby show how to create a much denser cloud of dipolar molecules. Our code scales nearly linearly on up to 4,000 (or more) processors, and runs at an efficiency that is almost at 100% of the speed for one arithmetic operation per clock cycle. We have not been able to get the code to run with multiple operations per clock cycle in spite of using highly efficient and optimized libraries for BLAS and LAPACK.

DoD High Performance Computing Modernization Program Users Group Conference (HPCMP-UGC)•Jun 1, 2009•2 citations

Correlated atom pairs creation in an optical lattice

Marie Bonneau, Josselin Ruaudel, Raphael Lopes +4 more

•May 30, 2011•0 citations

Quantum State Preparation In Optical Lattices

Ivan Deutsch, Poul Jessen

•May 18, 1997•1 citation

Using an optical lattice to preform KRb molecules and enhance the efficiency of ultracold polar molecule formation

James K. Freericks, Maciej M. Maśka, R. Lemański +2 more

Bulletin of the American Physical Society•Mar 18, 2009•0 citations
We investigate the formation of Cooper pairs, bound dimers and the dimer‐dimer elastic scattering of ultracold dipolar Fermi molecules confined in a 2D optical lattice bilayer configuration. While the energy and their associated bound states are determined in a variational way, the correlated two‐molecule pair is addressed as in the original Cooper formulation. We demonstrate that the 2D lattice confinement favors the formation of zero center mass momentum bound states. Regarding the Cooper pairs binding energy, this depends on the molecule populations in each layer. Maximum binding energies occur for non‐zero (zero) pair momentum when the Fermi system is polarized (unpolarized). We find an analytic expression for the dimer‐dimer effective interaction in the deep BEC regime. The present analysis represents a route for addressing the BCS‐BEC crossover in dipolar Fermi gases confined in 2D optical lattices within the current experimental panorama.
This work is part of a Defense Advanced Research Projects Agency (DARPA) sponsored project to build an optical lattice emulator, where models of strongly correlated electrons in condensed matter physics are simulated with ultracold atoms moving in an optical lattice. Recently, members of our team have been able to form dense clouds of dipolar fermionic molecules from mixtures of (fermionic)40K and (bosonic)87Rb. Here, we use high performance computing (HPC) resources to find a way to improve the efficiency of molecule formation from the current 20% to almost 100% and thereby show how to create a much denser cloud of dipolar molecules. Our code scales nearly linearly on up to 4,000 (or more) processors, and runs at an efficiency that is almost at 100% of the speed for one arithmetic operation per clock cycle. We have not been able to get the code to run with multiple operations per clock cycle in spite of using highly efficient and optimized libraries for BLAS and LAPACK.