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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…
Local convertibility and the quantum simulation of edge states in many-body systems
Fabio Franchini, Jian Cui, Luigi Amico +5
In some many-body systems, certain ground state entanglement (Renyi) entropies increase even as the correlation length decreases. This entanglement non-monotonicity is a potential…
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…