Robert Harlander

Institut für Theoretische Teilchenphysik und Kosmologie
Fakultät für Mathematik, Informatik, Naturwissenschaften
RWTH Aachen University
52056 Aachen, Germany
phone: +49-241-80-27045
fax: +49-241-80-22187
harlander(at)physik.rwth-aachen.de
Büro: 28A414, Campus Melaten

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Robert Harlander: Research Interests -/- Home -/- TTP Karlsruhe -/- CERN Theory -/- HET Brookhaven

Research interests:


Most recent works

click here for a full list of my papers
M. Black, R.V. Harlander, J.T. Kohnen, F. Lange, A. Rago, A. Shindler, O. Witzel,
Heavy-Meson Bag Parameters using Gradient Flow
[arXiv:2603.28517]

We provide more details to the letter-style article on the calculation of bag parameters for heavy-meson lifetimes. We also apply the same method to heavy-meson mixing.

M. Black, R.V. Harlander, J.T. Kohnen, F. Lange, A. Rago, A. Shindler, O. Witzel,
Bag Parameters for Heavy Meson Lifetimes
[arXiv:2603.28516]

Combining lattice data with the perturbative matching coefficient, we calculate bag parameters for heavy-meason lifetime predictions. More details are provided in the accompanying longer article.

L. Georg, R.V. Harlander, R.H. Mason,
The gradient-flow coupling of three- and four-dimensional QED
[arXiv:2601.13914]

The gradient-flow coupling in QED is just the Laplace transform of the regular photon polarization function. Among other things, this paper studies the renormalization group structure of three-dimensional QED in this scheme.

R.V. Harlander, R.H. Mason,
Quark-mass effects in gradient-flow observables through next-to-next-to-leading order in QCD
[arXiv:2512.19613]

We provide the results for important observables in the gradient-flow formalism including effects from a massive quark.

R.V. Harlander, J.T. Kohnen, A. Shindler,
Short-flow-time expansion of non-singlet twist-two operators at next-to-next-to-leading order QCD
[arXiv:2511.17145]

Here we provide crucial input for the determination of parton density function on the lattice using the gradient flow formalism, see this paper.


Robert Harlander: Research Interests -/- Home -/- TTP Karlsruhe -/- CERN Theory -/- HET Brookhaven
last updated on Mar 31, 2026 by RH
Most recent works (Robert Harlander)