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- University of OxfordGB145 papers
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17 papers · 2 filters
Spin mixing in colliding spinor condensates: formation of an effective barrier
M. Guilleumas, B. Julia-Diaz, J. Mur-Petit +1
The dynamics of F=1 spinor condensates initially prepared in a double-well potential is studied in the mean field approach. It is shown that a small seed of atoms on a system…
Scaling of entanglement between separated blocks in spin chains at criticality
H. Wichterich, J. Molina-Vilaplana, S. Bose
We compute the entanglement between separated blocks in certain spin models showing that at criticality this entanglement is a function of the ratio of the separation to the length…
Communication in XYZ All-to-All Quantum Networks with a Missing Link
Sougato Bose, Andrea Casaccino, Stefano Mancini +1
We explicitate the relation between Hamiltonians for networks of interacting qubits in the XYZ model and graph Laplacians. We then study evolution in networks in which all sites ca…
Fractional Quantum Hall State in Coupled Cavities
Jaeyoon Cho, Dimitris G. Angelakis, Sougato Bose
We propose a scheme to realize the fractional quantum Hall system with atoms confined in a two-dimensional array of coupled cavities. Our scheme is based on simple optical manipula…
Exploiting Quench Dynamics in Spin Chains for Distant Entanglement and Quantum Communication
Hannu Wichterich, Sougato Bose
We suggest a method of entangling significantly the distant ends of a spin chain using minimal control. This entanglement between distant individual spins is brought about solely b…
Long spin coherence in silicon with an electrical spin trap readout
G. W. Morley, D. R. McCamey, H. A. Seipel +3
Pulsed electrically-detected magnetic resonance of phosphorous (31P) in bulk crystalline silicon at very high magnetic fields (B > 8.5 T) and low temperatures (T = 2.8 K) is presen…