



@article {2759,
	title = {The Lieb-Robinson light cone for power-law interactions},
	year = {2021},
	month = {3/29/2021},
	abstract = {<p>The Lieb-Robinson theorem states that information propagates with a finite velocity in quantum systems on a lattice with nearest-neighbor interactions. What are the speed limits on information propagation in quantum systems with power-law interactions, which decay as 1/rα at distance r? Here, we present a definitive answer to this question for all exponents α\&gt;2d and all spatial dimensions d. Schematically, information takes time at least rmin{1,α\&minus;2d} to propagate a distance~r. As recent state transfer protocols saturate this bound, our work closes a decades-long hunt for optimal Lieb-Robinson bounds on quantum information dynamics with power-law interactions.</p>},
	url = {https://arxiv.org/abs/2103.15828},
	author = {Minh C. Tran and Andrew Y. Guo and Christopher L. Baldwin and Adam Ehrenberg and Alexey V. Gorshkov and Andrew Lucas}
}
