High harmonic generation in the relativistic limit by Dromey, B, Zepf, M, Gopal, A, Lancaster, K, Wei, MS, Krushelnick, K, Tatarakis, M, Vakakis, N, Moustaizis, S, Kodama, R, Tampo, M, Stoeckl, C, Clarke, R, Habara, H, Neely, D, Karsch, S, Norreys, P

Observation of ion temperatures exceeding background electron temperatures in petawatt laser-solid experiments by Norreys, P, Lancaster, K, Habara, H, Davies, JR, Mendonça, J, Clarke, R, Dromey, B, Gopal, A, Karsch, S, Kodama, R, Krushelnick, K, Moustaizis, S, Stoeckl, C, Tatarakis, M, Tampo, M, Vakakis, N, Wei, MS, Zepf, M