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- University of AntwerpBE39 papers
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12 papers · 1 filter
Cosmological Consequences of a Variable Cosmological Constant Model
Hemza Azri, A. Bounames
We derive a model of dark energy which evolves with time via the scale factor. The equation of state is studied as a function of a parameter introduced in thi…
Observation of the rare decay from the combined analysis of CMS and LHCb data
The CMS, LHCb Collaborations, : +2807
A joint measurement is presented of the branching fractions and in proton-proton collisions at the LHC by the CMS and LHCb experiments. The data sam…
Spin-spin correlations of magnetic impurities in graphene
A. D. Guclu, Nejat Bulut
We study the interaction between two magnetic adatom impurities in graphene using the Anderson model. The two-impurity Anderson Hamiltonian is solved numerically by using the quant…
Higgsed Stueckelberg Vector and Higgs Quadratic Divergence
Durmus Ali Demir, Canan Nurhan Karahan, Beste Korutlu
Here we show that, a hidden vector field whose gauge invariance is ensured by a Stueckelberg scalar and whose mass is spontaneously generated by the Standard Model Higgs field cont…
Tunneling in Polymer Quantization and the Quantum Zeno Effect
Durmus Ali Demir, Ozan Sargin
As an application of the polymer quantization scheme, in this work we investigate the one dimensional quantum mechanical tunneling phenomenon from the perspective of polymer repres…
Riemann-Eddington theory: Incorporating matter, degravitating the cosmological constant
Durmus A. Demir
Here we show that, Eddington's pure affine gravity, when extended with Riemann curvature, leads to gravitational field equations that incorporate matter. This Riemanned Eddington g…