K
Krzysztof Cichy
Researcher at Adam Mickiewicz University in Poznań
Publications - 157
Citations - 3338
Krzysztof Cichy is an academic researcher from Adam Mickiewicz University in Poznań. The author has contributed to research in topics: Lattice QCD & Lattice field theory. The author has an hindex of 26, co-authored 143 publications receiving 2590 citations. Previous affiliations of Krzysztof Cichy include Goethe University Frankfurt & Poznań University of Economics.
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Lattice calculation of parton distributions
Constantia Alexandrou,Constantia Alexandrou,Krzysztof Cichy,Krzysztof Cichy,Vincent Drach,Elena Garcia-Ramos,Kyriakos Hadjiyiannakou,Karl Jansen,Fernanda Steffens,Christian Wiese +9 more
TL;DR: In this article, the parton distribution functions from lattice QCD were evaluated using twisted mass fermions with a pion mass of about 370 MeV and the effect of gauge link smearing in the operator to estimate the influence of the Wilson line renormalization.
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The mass spectrum of the Schwinger model with matrix product states
TL;DR: In this paper, the feasibility of tensor network solutions for lattice gauge theories in Hamiltonian formulation by applying matrix product states algorithms to the Schwinger model with zero and non-vanishing fermion mass was shown.
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A complete non-perturbative renormalization prescription for quasi-PDFs
Constantia Alexandrou,Constantia Alexandrou,Krzysztof Cichy,Krzysztof Cichy,Martha Constantinou,Kyriakos Hadjiyiannakou,Karl Jansen,Haralambos Panagopoulos,Fernanda Steffens +8 more
TL;DR: In this article, for the first time, the non-perturbative renormalization for unpolarized, helicity and transversity quasi-PDFs in an RI-scheme was presented.
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Light-Cone Parton Distribution Functions from Lattice QCD.
Constantia Alexandrou,Constantia Alexandrou,Krzysztof Cichy,Martha Constantinou,Karl Jansen,Aurora Scapellato,Aurora Scapellato,Fernanda Steffens +7 more
TL;DR: This first direct nonperturbative evaluation opens a most promising path to compute PDFs in an ab initio way on the lattice and provides a framework for investigating also a wider class of similar quantities, which require the evaluation of hadronic matrix elements of nonlocal operators.
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Updated lattice results for parton distributions
Constantia Alexandrou,Constantia Alexandrou,Krzysztof Cichy,Krzysztof Cichy,Martha Constantinou,Kyriakos Hadjiyiannakou,Karl Jansen,Fernanda Steffens,Christian Wiese +8 more
TL;DR: In this article, the authors provided an analysis of the dependence of the bare unpolarized, helicity, and transversity isovector parton distribution functions (PDFs) from lattice calculations employing (maximally) twisted mass fermions.