Controlled hole doping of a Mott insulator of ultracold fermionic atoms

Details Controlled hole doping of a Mott insulator of ultracold fermionic atoms Controlled hole doping of a Mott insulator of ultracold fermionic atoms

2010-01-12

arxiv.org/abs/1001.1918v4

Phys. Rev. A 82, 011606(R) (2010)

Physics

Condensed Matter

Quantum Gases

4-5 pages, accepted for publication as a Rapid Communication in Physical Review A

Scientific paper

10.1103/PhysRevA.82.011606

Considering a system of ultracold atoms in an optical lattice, we propose a simple and robust implementation of a quantum simulator for the homogeneous t-J model with a well-controlled fraction of holes x. The proposed experiment can provide valuable insight into the physics of cuprate superconductors. A similar scheme applied to bosons, moreover, allows one to investigate experimentally the subtle role of inhomogeneity when a system passes from one quantum phase to another.

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