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08-04
2011
Quantum Monte Carlo Studies of Correlated Electrons on Honeycomb Structures
内容： At sufficiently low temperatures, condensed-matter systems tend to develop order. An notable exception to this behavior is quantum spin-liquids, where fluctuations prevent transition to an orde...
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07-26
2011
Interface between Topological and Superconducting Qubits
内容： We propose and analyze an interface between a topological qubit and a superconducting flux qubit. In our scheme, the interaction between Majorana fermions in a topological insulator is coherent...
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07-26
2011
Long-Lived Solid-State Room-Temperature Quantum Memory
内容： One of the major obstacles in quantum information technology is to prevent a quantum bit (qubit) from dephasing, while still being able to reliably manipulate and readout the qubit. In the talk...
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07-21
2011
Fractional quantum Hall effect in the absence of Landau levels
内容： It has been well-known that topological phenomena with fractional excitations, i.e., the fractional quantum Hall effect (FQHE) will emerge when electrons move in Landau levels. In this talk, I ...
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07-19
2011
Unconventional Bose-Einstein condensation beyond the no-node paradigm
内容： Feynman's "no-node" theorem states that the conventional many-body ground state wavefunctions of bosons in the coordinate representation are positive de nite. This implies that time-reversal sy...
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07-14
2011
Quantum computing with spins and photons
内容： In this talk, I will describe several experiments demonstrating simple quantum computation primitives using multi-photon entanglement and semiconductor quantum dot spin. I will start with a gen...