Physics – Quantum Physics
Scientific paper
2006-01-12
Phys. Rev. A 73, 053613 (2006)
Physics
Quantum Physics
9 pages, 4 figures; title, abstract and introduction changed, more examples included; accepted for publication in Phys. Rev. A
Scientific paper
10.1103/PhysRevA.73.053613
We investigate the feasibility of simulating different model Hamiltonians used in high-temperature superconductivity. We briefly discuss the most common models and then focus on the simulation of the so-called t-J-U Hamiltonian using ultra-cold atoms in optical lattices. For this purpose, previous simulation schemes to realize the spin interaction term J are extended. We especially overcome the condition of a filling factor of exactly one, which otherwise would restrict the phase of the simulated system to a Mott-insulator. Using ultra-cold atoms in optical lattices allows simulation of the discussed models for a very wide range of parameters. The time needed to simulate the Hamiltonian is estimated and the accuracy of the simulation process is numerically investigated for small systems.
Jaksch Dieter
Klein Alexander
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