14–19 Jun 2010
Villasimius, Sardinia
Europe/Rome timezone

Lattice Study of Trapped Fermions at Unitarity

18 Jun 2010, 17:20
20m
Room2 (Villasimius, Sardinia)

Room2

Villasimius, Sardinia

Tanka Village
Nonzero temperature and density Parallel 52: Nonzero temperature and density

Speaker

Amy N. Nicholson (Institute for Nuclear Theory, University of Washington)

Description

I describe a lattice study of up to N=20 unitary fermions confined to a harmonic trap. Our results show excellent agreement (within 1%) with high precision solutions to the many-body Schrodinger equation for up to N=8. We are also able to make predictions for larger N which were inaccessible by the Hamiltonian approach due to computational limitations. Harmonic traps are used experimentally to study cold atoms tuned to a Feshbach resonance. We show that they also provide certain benefits to numerical studies of many-body correlators on the lattice. In particular, we anticipate that the methods described here could be used for studying nuclear physics.
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Primary author

Amy N. Nicholson (Institute for Nuclear Theory, University of Washington)

Co-authors

Prof. David B. Kaplan (Institute for Nuclear Theory, University of Washington) Mr Jong-Wan Lee (Institute for Nuclear Theory, University of Washington) Dr Michael G. Endres (Columbia University)

Presentation materials