418 citations · 859 across the 13 of their papers we have counts for
Showing 2005 · math-phShow all
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math-ph2005
Recent Progress in Quantum Spin Systems
Bruno Nachtergaele, Robert Sims
Some recent developments in the theory of quantum spin systems are reviewed.
math-ph2005
Droplet Excitations for the Spin-1/2 XXZ Chain with Kink Boundary Conditions
Bruno Nachtergaele, Wolfgang Spitzer, Shannon Starr
We give a precise definition for excitations consisting of a droplet of size n in the XXZ chain with various choices of boundary conditions, including kink boundary conditions and…
math-ph2005★ 418 cited
Lieb-Robinson Bounds and the Exponential Clustering Theorem
Bruno Nachtergaele, Robert Sims
We give a Lieb-Robinson bound for the group velocity of a large class of discrete quantum systems which can be used to prove that a non-vanishing spectral gap implies exponential c…