{\rtf1\ansi\deff0\deftab360 {\fonttbl {\f0\fswiss\fcharset0 Arial} {\f1\froman\fcharset0 Times New Roman} {\f2\fswiss\fcharset0 Verdana} {\f3\froman\fcharset2 Symbol} } {\colortbl; \red0\green0\blue0; } {\info {\author Biblio 7.x}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart K. A. Landsman, Wu, Y., Leung, P. Hong, Zhu, D., Linke, N. M., Brown, K. R., Duan, L., and Monroe, C. R., ?Two-qubit entangling gates within arbitrarily long chains of trapped ions?, 2019.\par \par P. Hong Leung, Landsman, K. A., Figgatt, C., Linke, N. M., Monroe, C., and Brown, K. R., ?Robust two-qubit gates in a linear ion crystal using a frequency-modulated driving force?, Physical Review Letters, vol. 120, no. 2, p. 020501, 2018.\par \par }