How to calculate the Lieb-Robinson velocity in the quantum Ising chain

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How to calculate the Lieb-Robinson velocity in the quantum Ising chain

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Has anyone computed the Lieb-Robinson velocity for the quantum Ising chain? In particular, how does it depend on the transverse field, or even better, the instantaneous gap?

asked Sep 9, 2017 in Theoretical Physics by David B Roberts (135 points) [ revision history ]

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