"Reply: Quantum games and quantum strategies" J. Eisert, M. Wilkens, and M. Lewenstein Physical Review Letters87, 069802 (2001)
"The asymptotic relative entropy of entanglement" K. Audenaert, J. Eisert, E. Jane, M. B. Plenio, S. Virmani, and B. de Moor Physical Review Letters87, 217902 (2001)
"Classical information and distillable entanglement" J. Eisert, T. Felbinger, P. Papadopoulos, M. B. Plenio, and M. Wilkens Physical Review Letters84, 1611 (2000)
"Integral equation method for the continuous spectrum radial Schroedinger equation" R.A. Gonzales, J. Eisert, I. Koltracht, M. Neumann, and G. Rawitscher Journal of Computational Physics134, 134 (1997)
(Note that before 2003 this list simply comprises J. Eisert's earlier publications)