Cheong, Siew-AnnJacobsen, K. W.Myers, Christopher R.Ralph, Daniel C.Sethna, James P.Vegge, Tejs2004-12-102004-12-1020012001http://hdl.handle.net/2003/1842510.17877/DE290R-12273enThe American Physical SocietyPhysical Review Letters530Calculation of Quantum Tunneling for a Spatially Extended DefectThe Dislocation Kink in Copper Has a Low Effective Mass10.1103/PhysRevLett.86.1546article (journal)