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20132026
most citedEfficient numerical simulations with Tensor Networks: Tensor Network Python (TeNPy)

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cond-mat.str-el2013★ 69 cited

The Drude weight of the spin-1/2 XXZ chain: density matrix renormalization group versus exact diagonalization

C. Karrasch, J. Hauschild, S. Langer +1

We revisit the problem of the spin Drude weight D of the integrable spin-1/2 XXZ chain using two complementrary approaches, exact diagonalization (ED) and the time-dependent densit…