Dominski, J., Cheng, J., Merlo, G., Carey, V., Hager, R., Ricketson, L., Choi, J., Ethier, S., Germaschewski, K., Ku, S., Mollen, A., Podhorszki, N., Pugmire, D., Suchyta, E., Trivedi, P., Wang, R., Chang, C. S., Hittinger, J., Jenko, F., Klasky, S., Parker, S. E., & Bhattacharjee, A. (2021). Spatial coupling of gyrokinetic simulations, a generalized scheme based on first-principles. Physics of Plasmas, 28:. doi:10.1063/5.0027160.