Landau-Ginzburg-Wilson approach to critical phenomena in the presence of gauge symmetriesWe critically reconsider the Landau-Ginzburg-Wilson (LGW) approach to critical phenomena in the presence of gauge symmetries. In the LGW framework, to obtain the universal features of a continuous…Andrea Pelissetto, Antonio Tripodo, Ettore Vicari·Jun 14, 2017SaveLearn
A Novel Non-Perturbative Lattice Regularization of an Anomaly-Free 1 + 1d Chiral SU(2) Gauge TheoryWe present a numerical treatment of a novel non-perturbative lattice regularization of a 1+1d SU(2) Chiral Gauge Theory. Our approach follows recent proposals that exploit the newly discovered…Michael DeMarco, Xiao-Gang Wen·Jun 14, 2017SaveLearn
Convergent series for polynomial lattice models with complex actionsLattice models with complex actions are important for the understanding of matter at finite densities, but not accessible by the standard Monte Carlo techniques due to the sign problem. Here we…Vasily Sazonov·Jun 13, 2017SaveLearn
Gradient flows without blow-up for Lefschetz thimblesWe propose new gradient flows that define Lefschetz thimbles and do not blow up in a finite flow time. We study analytic properties of these gradient flows, and confirm them by numerical tests in…Yuya Tanizaki, Hiromichi Nishimura, Jacobus J. M. Verbaarschot·Jun 12, 2017SaveLearn
The strong coupling from a nonperturbative determination of the Λ parameter in three-flavor QCDWe present a lattice determination of the Λ parameter in three-flavor QCD and the strong coupling at the Z pole mass. Computing the nonperturbative running of the coupling in the range from…M. Bruno, M. Dalla Brida, P. Fritzsch et al.·Jun 12, 2017SaveLearn
Extraction of |Vcd| and |Vcs| from experimental decay rates using lattice QCD D π(K) ν form factorsWe present a determination of the Cabibbo-Kobayashi-Maskawa matrix elements |Vcd| and |Vcs| obtained by combining the momentum dependence of the semileptonic vector form factors $f+D …L. Riggio, G. Salerno, S. Simula·Jun 12, 2017SaveLearn
The localization transition in SU(3) gauge theoryWe study the Anderson-like localization transition in the spectrum of the Dirac operator of quenched QCD. Above the deconfining transition we determine the temperature dependence of the mobility edge…Tamas G. Kovacs, Reka A Vig·Jun 12, 2017SaveLearn
Nucleon Transverse Momentum-dependent Parton Distributions in Lattice QCD: Renormalization Patterns and Discretization EffectsLattice QCD calculations of transverse momentum-dependent parton distribution functions (TMDs) in nucleons are presented, based on the evaluation of nucleon matrix elements of quark bilocal operators…Boram Yoon, Michael Engelhardt, Rajan Gupta et al.·Jun 11, 2017SaveLearn
Unphysical poles and dispersion relations for Möbius domain-wall fermions in free field theory at finite LsWe find that the quark propagator constructed from the domain-wall fermion operator has Ls-1 extra poles as well as the pole that realizes the physical quark in the continuum limit. We show the…Masaaki Tomii·Jun 9, 2017SaveLearn
Scalar and vector form factors of D π(K) ν decays with Nf=2+1+1 twisted fermionsWe present a lattice determination of the vector and scalar form factors of the D π(K) ν semileptonic decays, which are relevant for the extraction of the CKM matrix elements |Vcd|…V. Lubicz, L. Riggio, G. Salerno et al.·Jun 9, 2017SaveLearn
The nucleon spin and momentum decomposition using lattice QCD simulationsWe determine within lattice QCD, the nucleon spin carried by valence and sea quarks, and gluons. The calculation is performed using an ensemble of gauge configurations with two degenerate light…C. Alexandrou, M. Constantinou, K. Hadjiyiannakou et al.·Jun 9, 2017SaveLearn
An Alternative Lattice Field Theory Formulation Inspired by Lattice SupersymmetryWe propose an unconventional formulation of lattice field theories which is quite general, although originally motivated by the quest of exact lattice supersymmetry. Two long standing problems have a…Alessandro D'Adda, Noboru Kawamoto, Jun Saito·Jun 8, 2017SaveLearn
Conserved charge fluctuations at vanishing and non-vanishing chemical potentialUp to 6th order cumulants of fluctuations of net baryon-number, net electric charge and net strangeness as well as correlations among these conserved charge fluctuations are now being calculated in…Frithjof Karsch·Jun 6, 2017SaveLearn
Parton Distribution Function with Non-perturbative Renormalization from Lattice QCDWe present lattice results for the isovector unpolarized parton distribution with nonperturbative RI/MOM-scheme renormalization on the lattice. In the framework of large-momentum effective field…Jiunn-Wei Chen, Tomomi Ishikawa, Luchang Jin et al.·Jun 5, 2017SaveLearn
Masses and decay constants of the Ds0*(2317) and Ds1(2460) from Nf=2 lattice QCD close to the physical pointWe perform a high statistics study of the JP=0+ and 1+ charmed-strange mesons, Ds0*(2317) and Ds1(2460), respectively. The effects of the nearby DK and D*K thresholds…Gunnar S. Bali, Sara Collins, Antonio Cox et al.·Jun 5, 2017SaveLearn
Critical point phase transition for finite temperature 3-flavor QCD with non-perturbatively O(a) improved Wilson fermions at N t=10We study the finite temperature phase structure for three-flavor QCD with a focus on locating the critical point which separates crossover and first order phase transition region in the chiral regime…Xiao-Yong Jin, Yoshinobu Kuramashi, Yoshifumi Nakamura et al.·Jun 5, 2017SaveLearn
Confining potential of Y-string on the lattice at finite TThe potential due to a system of three static quark (3Q) is studied using SU(3) lattice QCD at finite temperature with Polyakov loops operators. We focused our analysis on the large distance…Ahmed S. Bakry, Xurong Chen, Peng-Ming Zhang·Jun 5, 2017SaveLearn
Lorentz-covariant coordinate-space representation of the leading hadronic contribution to the anomalous magnetic moment of the muonWe present a Lorentz-covariant, Euclidean coordinate-space expression for the hadronic vacuum polarisation, the Adler function and the leading hadronic contribution to the anomalous magnetic moment…Harvey B. Meyer·Jun 4, 2017SaveLearn
QCDVis: a tool for the visualisation of Quantum Chromodynamics (QCD) DataQuantum chromodynamics, most commonly referred to as QCD, is a relativistic quantum field theory for the strong interaction between subatomic particles called quarks and gluons. The most systematic…Dean P. Thomas, Rita Borgo, Robert S. Laramee et al.·Jun 4, 2017SaveLearn
Dirac-mode expansion of quark number density and its implications of the confinement-deconfinement transitionWe investigate the quark number density at finite imaginary chemical potential by using the Dirac-mode expansion. In the large quark mass region, it is found that the quark number density can be…Takahiro M. Doi, Kouji Kashiwa·Jun 2, 2017SaveLearn
Nucleon electromagnetic form factors using lattice simulations at the physical pointWe present results for the nucleon electromagnetic form factors using an ensemble of maximally twisted mass clover-improved fermions with pion mass of about 130 MeV. We use multiple sink-source…Constantia Alexandrou, Martha Constantinou, Kyriakos Hadjiyiannakou et al.·Jun 1, 2017SaveLearn
A complete non-perturbative renormalization prescription for quasi-PDFsIn this work we present, for the first time, the non-perturbative renormalization for the unpolarized, helicity and transversity quasi-PDFs, in an RI' scheme. The proposed prescription addresses…Constantia Alexandrou, Krzysztof Cichy, Martha Constantinou et al.·Jun 1, 2017SaveLearn
Scattering phaseshift formulas for mesons and baryons in elongated boxesWe derive Lüscher phaseshift formulas for two-particle states in boxes elongated in one of the dimensions. Such boxes offer a cost-effective way of varying the relative momentum of the particles.…Frank X. Lee, Andrei Alexandru·Jun 1, 2017SaveLearn
Lattice Quantum ChromodynamicsThis lecture provides an introduction to quantum chromodynamics (QCD) on the lattice. The continuum limit and Monte Carlo simulations are briefly discussed. Different facets of QCD are nicely…Francesco Knechtli·Jun 1, 2017SaveLearn
Perturbative Renormalization of quasi-PDFsIn this paper we present results for the renormalization of gauge invariant nonlocal fermion operators which contain a Wilson line, to one-loop level in lattice perturbation theory. Our calculations…Martha Constantinou, Haralambos Panagopoulos·May 31, 2017SaveLearn