Time-dependent approach to many-particle tunneling in one dimension

Takahito Maruyama, Tomohiro Oishi, Kouichi Hagino, Hiroyuki Sagawa

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


By employing the time-dependent approach, we investigate a quantum tunneling decay of many-particle systems. We apply it to a schematic one-dimensional three-body model with a heavy-core nucleus and two valence protons. We calculate the decay width for two-proton emission from the survival probability, which well obeys the exponential decay law after a sufficient time. The effect of the correlation between the two emitted protons is also studied by observing the time evolution of the two-particle density distribution. It is shown that the pairing correlation significantly enhances the probability for the simultaneous diproton decay.

Original languageEnglish
Article number044301
JournalPhysical Review C - Nuclear Physics
Issue number4
Publication statusPublished - 2012 Oct 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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