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Now showing items 11-20 of 46
Photonic Phase Gate via an Exchange of Fermionic Spin Waves in a Spin Chain
(American Physical Society, 2010)
We propose a new protocol for implementing the two-qubit photonic phase gate. In our approach, the pi phase is acquired by mapping two single photons into atomic excitations with fermionic character and exchanging their ...
Quantum Magnetism with Polar Alkali-Metal Dimers
(American Physical Society, 2011)
We show that dipolar interactions between ultracold polar alkali dimers in optical lattices can be used to realize a highly tunable generalization of the \(t-J\) model, which we refer to as the \(t-J-V-W\) model. The model ...
Quantum Spin Dynamics of Mode-Squeezed Luttinger Liquids in Two-Component Atomic Gases
(American Physical Society, 2008)
We report on the observation of the phase dynamics of interacting one-dimensional ultracold bosonic gases with two internal degrees of freedom. By controlling the non-linear atomic interactions close to a Feshbach resonance ...
Majorana Fermions in Equilibrium and Driven Cold Atom Quantum Wires
(American Physical Society, 2011)
We introduce a new approach to create and detect Majorana fermions using optically trapped 1D fermionic atoms. In our proposed setup, two internal states of the atoms couple via an optical Raman transition--simultaneously ...
Characterization of Topological States on a Lattice with Chern Number
(Institute of Physics, 2008)
We study Chern numbers to characterize the ground state of strongly interacting systems on a lattice. This method allows us to perform a numerical characterization of bosonic fractional quantum Hall (FQH) states on a lattice ...
Quantum Many-Body Dynamics of Coupled Double-Well Superlattices
(American Physical Society, 2008)
We propose a method for controllable generation of non-local entangled pairs using spinor atoms loaded in an optical superlattice. Our scheme iteratively increases the distance between entangled atoms by controlling the ...
Robust Optical Delay Lines with Topological Protection
(Nature Publishing Group, 2011)
Phenomena associated with the topological properties of physical systems can be naturally robust against perturbations. This robustness is exemplified by quantized conductance and edge state transport in the quantum Hall ...
Controlled Preparation and Detection of d-Wave Superfluidity in Two-Dimensional Optical Superlattices
(Institute of Physics, 2009)
\(d\)-wave Cooper pairs are believed to be the key for understanding the phenomenon of high-temperature superconductivity in cuprates. These superconductors are an example of the emergence of strong pairing in systems with ...
Fractional Quantum Hall States of Atoms in Optical Lattices
(American Physical Society (APS), 2005)
We describe a method to create fractional quantum Hall states of atoms confined in optical lattices. We show that the dynamics of the atoms in the lattice is analogous to the motion of a charged particle in a magnetic field ...
Probing interaction-induced ferromagnetism in optical superlattices
(IOP Publishing, 2010)
We propose a method for controllable preparation and detection of interaction-induced ferromagnetism in ultracold fermionic atoms loaded in optical superlattices. First, we discuss how to probe and control Nagaoka ...