d-wave resonating valence bond states of fermionic atoms in optical lattices

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We study controlled generation and measurement of superfluid d-wave resonating valence bond (RVB) states of fermionic atoms in 2D optical lattices. Starting from loading spatial and spin patterns of atoms in optical superlattices as pure quantum states from a Fermi gas, we adiabatically transform this state to an RVB state by change of the lattice parameters. Results of exact time-dependent numerical studies for ladders systems are presented, suggesting generation of RVB states on timescale smaller than typical experimental decoherence times.
4+ pages, 5 figures

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Strongly Correlated Electrons, Superconductivity, Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/100607

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0506809
 http://arxiv.org/abs/cond-mat/0506809
 Phys. Rev. Lett. 96, 250402 (2006).
 doi:10.1103/PhysRevLett.96.250402

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arXiv