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quant-ph2007★ 22 cited
Entanglement in the quantum Ising model
Geoffrey Grimmett, Tobias Osborne, Petra Scudo
We study the asymptotic scaling of the entanglement of a block of spins for the ground state of the one-dimensional quantum Ising model with transverse field. When the field is suf…
quant-ph2003
Weak limits for quantum random walks
Geoffrey Grimmett, Svante Janson, Petra Scudo
We formulate and prove a general weak limit theorem for quantum random walks in one and more dimensions. With denoting position at time , we show that converges we…