Wan, F., Xue, K., Dou, Z.-K., Hatsagortsyan, K. Z., Yan, W., Khikhlukha, D., Bulanov, S. V., Korn, G., Zhao, Y.-T., Xu, Z.-F.,
& Li, J.-X. (2019). Imprint of the stochastic nature of photon emission by electrons
on the proton energy spectra in the laser-plasma interaction. Plasma Physics and Controlled Fusion,
61:. doi:10.1088/1361-6587/ab2b2c.