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Prog. Theor. Phys. Supplement No.124 (1996) pp. 123-129

Effects of Dissipation on Fast Quantum Tunneling

Kouichi Hagino, Noboru Takigawa, J. R. Bennett^* and D. M. Brink^**

Department of Physics, Tohoku University, Sendai 980-77, Japan
^*Department of Physics and Astronomy, University of North Carolina
at Chapel Hill, Chapel Hill, NC 27599-3255, U. S. A.
^**European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT^*), Villa Tambosi, I-38050 Villazzano, Trento, Italy

Abstract:

Quantum tunneling under the influence of an environment with nearly degenerate spectrum is considered. It is shown that the finite excitation energy of the environment reduces the tunneling probability estimated in the limit of sudden tunneling. Some applications to heavy-ion fusion reactions are discussed.

URL : http://ptp.ipap.jp/link?PTPS/124/123/
DOI : 10.1143/PTPS.124.123

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