d-Wave resonating valence bond states of fermionic atoms in optical lattices |
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Authors: | Trebst Simon Schollwöck Ulrich Troyer Matthias Zoller Peter |
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Affiliation: | Theoretische Physik, Eidgen?ssische Technische Hochschule Zürich, CH-8093 Zürich, Switzerland. |
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Abstract: | 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 a change of the lattice parameters. Results of exact time-dependent numerical studies for ladders systems are presented, suggesting generation of RVB states on a time scale smaller than typical experimental decoherence times. |
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