Physics Group Meeting

Euclidean wormholes are simple solutions such as the one discussed in
the attached paper by Giddings and Strominger. (see email)
You can also have a look at the attached paper by Coleman.
You can also look at http://arxiv.org/abs/0705.2768 and find more references there. Another possibly relevant one is http://arxiv.org/abs/gr-qc/9604038

We would like to address the questions of how these solutions should be interpreted. They look a bit like instantons. Can we treat them as instantons? What should be the rules ?

For a recent discussion of the (possible) relevance of these solutions to axion inflation see (e.g. introduction of http://arxiv.org/abs/1503.03886