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- Max Planck Institute for Mathematics in the SciencesDE139 papers
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10 papers · 2 filters
On the Topology of the Reduced Classical Configuration Space of Lattice QCD
S. Charzyński, G. Rudolph, M. Schmidt
We study the topological structure of the quotient of by diagonal conjugation. This is the simplest nontrivial example for the classical reduced configuration s…
The Casimir effect for thin plasma sheets and the role of the surface plasmons
M. Bordag
We consider the Casimir force betweeen two dielectric bodies described by the plasma model and between two infinitely thin plasma sheets. In both cases in addition to the photon mo…
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…
Baxter Q-operators of the XXZ chain and R-matrix factorization
S. Derkachov, D. Karakhanyan, R. Kirschner
We construct Baxter operators as generalized transfer matrices being traces of products of generic matrices. The latter are shown to factorize into simpler operators allowing f…
Non-transversality of the gluon polarization tensor in a chromomagnetic background
M. Bordag, J. Grebenyuk, V. Skalozub
We investigate the question about the transversality of the gluon polarization tensor in a homogeneous chromomagnetic background field. We re-derive the non transversality known fr…
Fractal Spacetime Structure in Asymptotically Safe Gravity
O. Lauscher, M. Reuter
Four-dimensional Quantum Einstein Gravity (QEG) is likely to be an asymptotically safe theory which is applicable at arbitrarily small distance scales. On sub-Planckian distances i…