Dynamic potential barrier in the entrance phase of heavy-ion fusion reactions J. -L. Tian, X. Li, X. -Z. Wu, Z. -X. Li and S. -W. Yan Eur. Phys. J. A, 42 1 (2009) 105-110 Published online: 02 August 2009 DOI: 10.1140/epja/i2009-10850-2