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35 papers · 1 filter
Gravity, Non-Commutative Geometry and the Wodzicki Residue
W. Kalau, M. Walze
We derive an action for gravity in the framework of non-commutative geometry by using the Wodzicki residue. We prove that for a Dirac operator on an dimensional compact Rie…
QCD corrections to decays of polarised charm and bottom quarks
A. Czarnecki, M. Jeżabek, J. G. Körner +1
Distributions of charged leptons in semileptonic and decays can be used as spin analysers for the corresponding charm and bottom quarks. QCD corrections to the energy s…
Inclusive Semileptonic Decays in QCD Including Lepton Mass Effects
S. Balk, J. G. Korner, D. Pirjol +1
Starting from an Operator Product Expansion in the Heavy Quark Effective Theory up to order 1/m_b^2 we calculate the inclusive semileptonic decays of unpolarized bottom hadrons inc…
Two Heavy Quark Effective Theories
S. Balk, A. Ilakovac, J. G. Korner +1
We point out that there exist two different formulations of the Heavy Quark Effective Theory (HQET). One formulation of HQET was mostly developed at Harvard and involves the use of…
Differential Algebras in Non-Commutative Geometry
W. Kalau, N. A. Papadopoulos, J. Plass +1
We discuss the differential algebras used in Connes' approach to Yang-Mills theories with spontaneous symmetry breaking. These differential algebras generated by algebras of the fo…
Scaling in Steiner Random Surfaces
C. F. Baillie, A. Irback, W. Janke +1
It has been suggested that the modified Steiner action functional has desirable properties for a random surface action. In this paper we investigate the scaling of the string tensi…