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Binding energy for hydrogen-like atoms in the Nelson model without cutoffs
Christian Hainzl, Masao Hirokawa, Herbert Spohn
In the Nelson model particles interact through a scalar massless field. For hydrogen-like atoms there is a nucleus of infinite mass and charge , , fixed at the origin an…
Stochastic Growth in One Dimension and Gaussian Multi-Matrix Models
Patrik L. Ferrari, Michael Praehofer, Herbert Spohn
We discuss the space-time determinantal random field which arises for the PNG model in one dimension and resembles the one for Dyson's Brownian motion. The information of interest…
Mass renormalization in nonrelativistic QED
Fumio Hiroshima, Herbert Spohn
In nonrelativistic QED the charge of an electron equals its bare value, whereas the self-energy and the mass have to be renormalized. In our contribution we study perturbative mass…