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Local convertibility of the ground state of the perturbed Toric code
Siddhartha Santra, Alioscia Hamma, Lukasz Cincio +3
We present analytical and numerical studies of the behaviour of the -Renyi entropies in the Toric code in presence of several types of perturbations aimed at studying the simula…
Effective dynamics of cold atoms flowing in two ring shaped optical potentials with tunable tunneling
Davit Aghamalyan, Luigi Amico, L. C Kwek
We study the current dynamics of coupled atomic condensates flowing in two ring-shaped optical potentials. We provide a specific setup where the ring-ring coupling can be tuned in…
Superfluid qubit systems with ring shaped optical lattices
Luigi Amico, Davit Aghamalyan, H. Crepaz +3
We study an experimentally feasible qubit system employing neutral atomic currents. Our system is based on bosonic cold atoms trapped in ring-shaped optical lattice potentials. The…
Local characterization of 1d topologically ordered states
Jian Cui, Luigi Amico, Heng Fan +3
We consider 1d Hamiltonian systems whose ground states display symmetry protected topological order. We show that ground states within the topological phase cannot be connected wit…