72 citations · 248 across the 29 of their papers we have counts for
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math.CO2014★ 43 cited
No Laplacian Perfect State Transfer in Trees
Gabriel Coutinho, Henry Liu
We consider a system of qubits coupled via nearest-neighbour interaction governed by the Heisenberg Hamiltonian. We further suppose that all coupling constants are equal to . We…
math.CO2014★ 72 cited
Perfect state transfer on distance-regular graphs and association schemes
Gabriel Coutinho, Chris Godsil, Krystal Guo +1
We consider the representation of a continuous-time quantum walk in a graph by the matrix . We provide necessary and sufficient criteria for distance-regular grap…