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131 papers · 1 filter
Chiral perturbation theory - Success and challenge
Stefan Scherer
Chiral perturbation theory is the effective field theory of the strong interactions at low energies. We will give a short introduction to chiral perturbation theory for mesons and…
Large systems of path-repellent Brownian motions in a trap at positive temperature
Stefan Adams, Jean-Bernard Bru, Wolfgang Koenig
We study a model of mutually repellent Brownian motions under confinement to stay in some bounded region of space. Our model is defined in terms of a transformed path measure…
Quantum motion of a neutron in a wave-guide in the gravitational field
A. Yu. Voronin, H. Abele, S. Baessler +4
We study theoretically the quantum motion of a neutron in a horizontal wave-guide in the gravitational field of the Earth. The wave-guide in question is equipped with a mirror belo…
Laurent series expansion of a class of massive scalar one-loop integrals up to ${\cal O}(\ep^2)$ in terms of multiple polylogarithms
J. G. Körner, Z. Merebashvili, M. Rogal
In a recent paper we have presented results for a set of massive scalar one-loop master integrals needed in the NNLO parton model description of the hadroproduction of heavy flavor…
Low energy states of a semiflexible polymer chain with attraction and the whip-toroid transitions
Yukitaka Ishimoto, Norio Kikuchi
Based on our previous paper [cond-mat/0507477], we establish a general model for the whip-toroid transitions of a semiflexible homopolymer chain using the path integral method and…
Asymptotic Safety in Quantum Einstein Gravity: nonperturbative renormalizability and fractal spacetime structure
O. Lauscher, M. Reuter
The asymptotic safety scenario of Quantum Einstein Gravity, the quantum field theory of the spacetime metric, is reviewed and it is argued that the theory is likely to be nonpertur…