Search Results - "Cichy, Krzysztof"

A Guide to Light-Cone PDFs from Lattice QCD: An Overview of Approaches, Techniques, and Results by Cichy, Krzysztof, Constantinou, Martha

“…Within the theory of Quantum Chromodynamics (QCD), the rich structure of hadrons can be quantitatively characterized, among others, using a basis of universal…”
Get full text

Parton distributions from lattice data: the nonsinglet case by Cichy, Krzysztof, Del Debbio, Luigi, Giani, Tommaso

“…A bstract We revise the relation between Parton Distribution Functions (PDFs) and matrix elements computable from lattice QCD, focusing on the quasi-Parton…”
Get full text

Overview of lattice calculations of the x -dependence of PDFs, GPDs and TMDs by Cichy, Krzysztof

“…For a long time, lattice QCD was unable to address the x -dependence of partonic distributions, direct access to which is impossible in Euclidean spacetime…”
Get full text

A complete non-perturbative renormalization prescription for quasi-PDFs by Alexandrou, Constantia, Cichy, Krzysztof, Constantinou, Martha, Hadjiyiannakou, Kyriakos, Jansen, Karl, Panagopoulos, Haralambos, Steffens, Fernanda

“…In this work we present, for the first time, the non-perturbative renormalization for the unpolarized, helicity and transversity quasi-PDFs, in an RI′ scheme…”
Get full text

Tensors cast their nets for quarks by Bañuls, Mari Carmen, Cichy, Krzysztof

“…Many aspects of gauge theories — such as the one underlying quantum chromodynamics, which describes quark physics — evade common numerical methods. Tensor…”
Get full text

Running Coupling Constant from Position-Space Current-Current Correlation Functions in Three-Flavor Lattice QCD by Calì, Salvatore, Cichy, Krzysztof, Korcyl, Piotr, Simeth, Jakob

“…In this Letter, we provide a determination of the coupling constant in three-flavor quantum chromodynamics (QCD), α_{s}^{MS[over ¯]}(μ), for MS[over ¯]…”
Get full text

Comparison of topological charge definitions in Lattice QCD by Alexandrou, Constantia, Athenodorou, Andreas, Cichy, Krzysztof, Dromard, Arthur, Garcia-Ramos, Elena, Jansen, Karl, Wenger, Urs, Zimmermann, Falk

“…In this paper, we show a comparison of different definitions of the topological charge on the lattice. We concentrate on one small-volume ensemble with 2…”
Get full text

On systematic effects in the numerical solutions of the JIMWLK equation by Calì, Salvatore, Cichy, Krzysztof, Korcyl, Piotr, Kotko, Piotr, Kutak, Krzysztof, Marquet, Cyrille

“…In the high energy limit of hadron collisions, the evolution of the gluon density in the longitudinal momentum fraction can be deduced from the Balitsky…”
Get full text

Efficient Basis Formulation for ( 1 + 1 )-Dimensional SU(2) Lattice Gauge Theory: Spectral Calculations with Matrix Product States by Bañuls, Mari Carmen, Cichy, Krzysztof, Cirac, J. Ignacio, Jansen, Karl, Kühn, Stefan

“…We propose an explicit formulation of the physical subspace for a (1+1 )-dimensional SU(2) lattice gauge theory, where the gauge degrees of freedom are…”
Get full text

Chiral condensate from the twisted mass Dirac operator spectrum by Cichy, Krzysztof, Garcia-Ramos, Elena, Jansen, Karl

“…A bstract We present the results of our computation of the dimensionless chiral condensate r 0 Σ 1/3 with N f = 2 and N f = 2 + 1 + 1 flavours of maximally…”
Get full text

Towards overcoming the Monte Carlo sign problem with tensor networks by Bañuls, Mari Carmen, Cichy, Krzysztof, Ignacio Cirac, J., Jansen, Karl, Kühn, Stefan, Saito, Hana

“…The study of lattice gauge theories with Monte Carlo simulations is hindered by the infamous sign problem that appears under certain circumstances, in…”
Get full text

Computation of parton distributions from the quasi-PDF approach at the physical point by Alexandrou, Constantia, Bacchio, Simone, Cichy, Krzysztof, Constantinou, Martha, Hadjiyiannakou, Kyriakos, Jansen, Karl, Koutsou, Giannis, Scapellato, Aurora, Steffens, Fernanda

“…We show the first results for parton distribution functions within the proton at the physical pion mass, employing the method of quasi-distributions. In…”
Get full text

Zero modes and matching for the twist-3 PDFs by Bhattacharya, Shohini, Cichy, Krzysztof, Constantinou, Martha, Metz, Andreas, Scapellato, Aurora, Steffens, Fernanda

“…The quasi-PDF approach, proposed by X. Ji in 2013, has made it possible to directly extract light-cone PDFs from lattice QCD. This approach relies on the…”
Get full text

Twist-3 partonic distributions from lattice QCD by Bhattacharya, Shohini, Cichy, Krzysztof, Constantinou, Martha, Metz, Andreas, Scapellato, Aurora, Steffens, Fernanda

“…Twist-3 partonic distributions contain important information that characterizes nucleon’s structure. In this work, we show our lattice exploration of the…”
Get full text

Progress in computing parton distribution functions from the quasi-PDF approach by Alexandrou, Constantia, Cichy, Krzysztof, Constantinou, Martha, Hadjiyiannakou, Kyriakos, Jansen, Karl, Panagopoulos, Haralambos, Scapellato, Aurora, Steffens, Fernanda

“…We discuss the current developments by the European Twisted Mass Collaboration in extracting parton distribution functions from the quasi-PDF approach. We…”
Get full text

Topological Susceptibility under Gradient Flow by Mejía-Díaz, Héctor, Bietenholz, Wolfgang, Cichy, Krzysztof, Forcrand, Philippe de, Dromard, Arthur, Gerber, Urs, Sandoval, Ilya Orson

“…We study the impact of the Gradient Flow on the topology in various models of lattice field theory. The topological susceptibility X t is measured directly,…”
Get full text

Tensor Network study of the (1+1)-dimensional Thirring Model by Carmen Bañuls, Mari, Cichy, Krzysztof, Kao, Ying-Jer, David Lin, C.-J., Lin, Yu-Ping, Tao-Lin Tan, David

“…Tensor Network methods have been established as a powerful technique for simulating low dimensional strongly-correlated systems for over two decades. Employing…”
Get full text

Quark mass anomalous dimension and ΛMS¯ from the twisted mass Dirac operator spectrum by Cichy, Krzysztof

“…A bstract We investigate whether it is possible to extract the quark mass anomalous dimension and its scale dependence from the spectrum of the twisted mass…”
Get full text

Light-Cone Parton Distribution Functions from Lattice QCD by Alexandrou, Constantia, Cichy, Krzysztof, Constantinou, Martha, Jansen, Karl, Scapellato, Aurora, Steffens, Fernanda

“…We extract parton distribution functions (PDFs) of the nucleon from lattice QCD using an ensemble of gauge field configurations simulated with light quark…”
Get full text

Wilson chiral perturbation theory for dynamical twisted mass fermions vs lattice data—A case study by Cichy, Krzysztof, Zafeiropoulos, Savvas

“…We compute the low lying eigenvalues of the Hermitian Dirac operator in lattice QCD with Nf=2+1+1 twisted mass fermions. We discuss whether these eigenvalues…”
Get full text