Non-relativistic Lee Model on two Dimensional Riemannian Manifolds

Details Non-relativistic Lee Model on two Dimensional Riemannian Manifolds Non-relativistic Lee Model on two Dimensional Riemannian Manifolds

2011-10-26

arxiv.org/abs/1110.5817v1

Physics

Mathematical Physics

18 pages, no figures

Scientific paper

This work is a continuation of our previous work (JMP, Vol. 48, 12, pp. 122103-1-122103-20, 2007), where we constructed the non-relativistic Lee model in three dimensional Riemannian manifolds. Here we renormalize the two dimensional version by using the same methods and the results are shortly given since the calculations are basically the same as in the three dimensional model. We also show that the ground state energy is bounded from below due to the upper bound of the heat kernel for compact and Cartan-Hadamard manifolds. In contrast to the construction of the model and the proof of the lower bound of the ground state energy, the mean field approximation to the two dimensional model is not similar to the one in three dimensions and it requires a deeper analysis, which is the main result of this paper.

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