Monday, August 27, 2012

1208.5036 (Jun Xu et al.)

Non-Newtonian gravity in finite nuclei    [PDF]

Jun Xu, Bao-An Li, Lie-Wen Chen, Hao Zheng
In this talk, we report our recent study of constraining the non-Newtonian gravity at femtometer scale. We incorporate the Yukawa-type non-Newtonian gravitational potential consistently to the Skyrme functional form using the exact treatment for the direct contribution and density-matrix expansion method for the exchange contribution. The effects from the non-Newtonian potential on finite nuclei properties are then studied together with a well-tested Skyrme force. Assuming that the framework without non-Newtonian gravity can explain the binding energies and charge radii of medium to heavy nuclei within 2% error, we set an upper limit for the strength of the non-Newtonian gravitational potential at femtometer scale.
View original: http://arxiv.org/abs/1208.5036

No comments:

Post a Comment