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“Controlling dipolar exchange interactions in a dense 3D array of large spin fermions”, arXiv:1904.08262
Original
A. Patscheider, B. Zhu, L. Chomaz, D. Petter, S. Baier, A. M. Rey, F. Ferlaino and M. J. Mark, · 1904
Earlier work this paper cites.
“Operator growth bounds from graph theory”, arXiv:1905.03682
Original
C-F. Chen and A. Lucas · 1905
Earlier work this paper cites.
“Signaling and scrambling with strongly long-range interactions”, arXiv:1906.02662
Original
A. Y. Guo and M. C. Tran and A. M. Childs and A. V. Gorshkov and Z-X. Gong, · 1906
Earlier work this paper cites.
“The finite group velocity of quantum spin systems”, Communications in Mathematical Physics
E. H. Lieb and D. Robinson · 1972
Earlier work this paper cites.
“The large N N limit of superconformal field theories and supergravity”, International Journal of Theoretical Physics
J. M. Maldacena · 1999
Earlier work this paper cites.
“Perfect state transfer in quantum spin networks”, Physical Review Letters
M. Christandl, N. Datta, A. Ekert and A. J. Landahl · 2004
Earlier work this paper cites.

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2019

Finite speed of quantum scrambling with long range interactions

Chen, Chi-Fang, Lucas, Andrew

Understand

In a locally interacting many-body system, two isolated qubits, separated by a large distance $r$, become correlated and entangled with each other at a time $t \ge r/v$.

This finite speed $v$ of quantum information scrambling limits quantum information processing, thermalization and even equilibrium correlations.
Yet most experimental systems contain long range power law interactions -- qubits separated by $r$ have potential energy $V(r)\propto r^{-\alpha}$.
Examples include the long range Coulomb interactions in plasma ($\alpha=1$) and dipolar interactions between spins ($\alpha=3$).

Built on

“Controlling dipolar exchange interactions in a dense 3D array of large spin fermions”, arXiv:1904.08262
Original
A. Patscheider, B. Zhu, L. Chomaz, D. Petter, S. Baier, A. M. Rey, F. Ferlaino and M. J. Mark, · 1904
Earlier work this paper cites.
“Operator growth bounds from graph theory”, arXiv:1905.03682
Original
C-F. Chen and A. Lucas · 1905
Earlier work this paper cites.
“Signaling and scrambling with strongly long-range interactions”, arXiv:1906.02662
Original
A. Y. Guo and M. C. Tran and A. M. Childs and A. V. Gorshkov and Z-X. Gong, · 1906
Earlier work this paper cites.
“The finite group velocity of quantum spin systems”, Communications in Mathematical Physics
E. H. Lieb and D. Robinson · 1972
Earlier work this paper cites.
“The large N N limit of superconformal field theories and supergravity”, International Journal of Theoretical Physics
J. M. Maldacena · 1999
Earlier work this paper cites.
“Perfect state transfer in quantum spin networks”, Physical Review Letters
M. Christandl, N. Datta, A. Ekert and A. J. Landahl · 2004
Earlier work this paper cites.

Similar

“Spectral gap and exponential decay of correlations”, Communications in Mathematical Physics
M. Hastings and T. Koma · 2006
Cited alongside, same era.
“General entanglement scaling laws from time evolution”, Physical Review Letters
J. Eisert and T. J. Osborne · 2006
Cited alongside, same era.
“Lieb-Robinson bounds and the generation of correlations and topological quantum order”, Physical Review Letters
S. Bravyi and M. B. Hastings and F. Verstraete · 2006
Cited alongside, same era.
“Nearly-linear light cones in long-range interacting quantum systems”, Physical Review Letters
Original
M. Foss-Feig, Z-X. Gong, C. W. Clark and A. V. Gorshkov · 2015
Cited alongside, same era.
“Quantum thermalization through entanglement in an isolated many-body system”, Science
Original
A. M. Kaufman and M. E. Tai and A. Lukin and M. Rispoli and R. Schittko and P. M. Priess and M. Greiner · 2016