One-loop perturbative coupling of A and A through the chiral overlap operatorWe study the one-loop effective action defined by the chiral overlap operator in the four-dimensional lattice formulation of chiral gauge theories by Grabowska and Kaplan. In the tree-level continuum…Hiroki Makino, Okuto Morikawa, Hiroshi Suzuki·Apr 17, 2017SaveLearn
New higher-order transition in causal dynamical triangulationsWe reinvestigate the recently discovered bifurcation phase transition in Causal Dynamical Triangulations (CDT) and provide further evidence that it is a higher order transition. We also investigate…J. Ambjorn, D. Coumbe, J. Gizbert-Studnicki et al.·Apr 14, 2017SaveLearn
Simulating chiral magnetic effect and anomalous transport phenomena in the pre-equilibrium stages of heavy-ion collisionsWe present a first principles approach to study the Chiral Magnetic Effect during the pre-equilibrium stage of a heavy-ion collision. We discuss the dynamics of the Chiral Magnetic Effect and Chiral…Mark Mace, Niklas Mueller, Soeren Schlichting et al.·Apr 13, 2017SaveLearn
Lattice QCD thermodynamics at finite chemical potential and its comparison with ExperimentsWe compare higher moments of baryon numbers measured at the RHIC heavy ion collision experiments with those by the lattice QCD calculations. We employ the canonical approach, in which we can access…D. Boyda, V. G. Bornyakov, V. Goy et al.·Apr 13, 2017SaveLearn
Ideal Walking Dynamics via a Gauged NJL ModelAccording to the Ideal Walking Technicolor paradigm large mass anomalous dimensions arise in gauged Nambu--Jona-Lasinio (NJL) models when the four-fermion coupling is sufficiently strong to induce…Jarno Rantaharju, Claudio Pica, Francesco Sannino·Apr 13, 2017SaveLearn
RG scaling relations at chiral phase transition in two-flavor QCDWe investigate the nature of the chiral phase transition in the massless two-flavor QCD using the renormalization group improved gauge action and the Wilson quark action on 323× 16,…K. -I. Ishikawa, Y. Iwasaki, Yu Nakayama et al.·Apr 11, 2017SaveLearn
Tensor network simulation of QED on infinite lattices: learning from (1+1)d, and prospects for (2+1)dThe simulation of lattice gauge theories with tensor network (TN) methods is becoming increasingly fruitful. The vision is that such methods will, eventually, be used to simulate theories in (3+1)…Kai Zapp, Roman Orus·Apr 10, 2017SaveLearn
Reply to "Comment on 'Lattice Gluon and Ghost Propagators, and the Strong Coupling in Pure SU(3) Yang-Mills Theory: Finite Lattice Spacing and Volume Effects' "The quenched gluon and ghost propagator data published in [1] is reanalysed following the suggestion of [2] to resolve the differences between the infrared data of the simulations. Our results…Anthony G. Duarte, Orlando Oliveira, Paulo J. Silva·Apr 10, 2017SaveLearn
Low-lying baryon masses using Nf=2 twisted mass clover-improved fermions directly at the physical pointThe masses of the low-lying baryons are evaluated using an ensemble with two degenerate light twisted mass clover-improved quarks with mass tuned to reproduce the physical pion mass. The Iwasaki…Constantia Alexandrou, Christos Kallidonis·Apr 9, 2017SaveLearn
u d b b tetraquark resonances with lattice QCD potentials and the Born-Oppenheimer approximationWe study tetraquark resonances with lattice QCD potentials computed for a static bbar bbar pair in the presence of two lighter quarks u d, the Born-Oppenheimer approximation and the emergent wave…Pedro Bicudo, Marco Cardoso, Antje Peters et al.·Apr 7, 2017SaveLearn
Comment on "Lattice Gluon and Ghost Propagators, and the Strong Coupling in Pure SU(3) Yang-Mills Theory: Finite Lattice Spacing and Volume Effects"The authors of ref. Phys.Rev. D94 (2016) no.1, 014502 reported about a careful analysis of the impact of lattice artifacts on the SU(3) gauge-field propagators. In particular, they found that the…Ph. Boucaud, F. De Soto, J. Rodríguez-Quintero et al.·Apr 6, 2017SaveLearn
An accurate calculation of the nucleon axial charge with lattice QCDWe report on a lattice QCD calculation of the nucleon axial charge, gA, using Möbius Domain-Wall fermions solved on the dynamical Nf=2+1+1 HISQ ensembles after they are smeared using the…Evan Berkowitz, David Brantley, Chris Bouchard et al.·Apr 4, 2017SaveLearn
Borici-Creutz fermions on 2-dim latticeMinimally doubled fermion proposed by Creutz and Borici is a promising chiral fermion formulation on lattice. In this work, we present excited state mass spectroscopy for the meson bound states in…Jishnu Goswami, Dipankar Chakrabarti, Subhasish Basak·Apr 4, 2017SaveLearn
|Vcb| using lattice QCDLattice QCD calculations of hadronic matrix elements allow one to draw inferences about quark flavor interactions from measurements of hadron decays. Within the context of the Standard Model, the…Matthew Wingate·Apr 3, 2017SaveLearn
|Vus| from K decays in theoryLeptonic and semileptonic kaon decays represent till now the golden modes for the extraction of the Cabibbo angle from experiments, provided the relevant hadronic quantities, namely the ratio of the…S. Simula·Apr 3, 2017SaveLearn
Estimating the central charge from the Rényi entanglement entropyWe calculate the von Neumann and Rényi bipartite entanglement entropy of the O(2) model with a chemical potential on a 1+1 dimensional Euclidean lattice with open and periodic boundary conditions.…A. Bazavov, Y. Meurice, S. -W. Tsai et al.·Mar 30, 2017SaveLearn
Isospin susceptibility in the O(n) sigma-model in the delta-regimeWe compute the isospin susceptibility in an effective O(n) scalar field theory (in d=4 dimensions), to third order in chiral perturbation theory (χPT) in the delta--regime using the quantum…Ferenc Niedermayer, Peter Weisz·Mar 30, 2017SaveLearn
The Light-Quark Magnetic Moment of the Lambda(1405) Antikaon-Nucleon MoleculeThe light-quark sector of the Lambda(1405) baryon is examined in the context of the recent discovery of a dominant antikaon-nucleon composition at low quark masses. Further evidence for this…Jonathan M. M. Hall, Waseem Kamleh, Derek B. Leinweber et al.·Mar 29, 2017SaveLearn
Combining the complex Langevin method and the generalized Lefschetz-thimble methodThe complex Langevin method and the generalized Lefschetz-thimble method are two closely related approaches to the sign problem, which are both based on complexification of the original dynamical…Jun Nishimura, Shinji Shimasaki·Mar 28, 2017SaveLearn
Bs Ds ν Form Factors and the Fragmentation Fraction Ratio fs/fdWe present a lattice quantum chromodynamics determination of the scalar and vector form factors for the Bs → Ds ν decay over the full physical range of momentum transfer. In…Christopher J Monahan, Heechang Na, Chris M Bouchard et al.·Mar 28, 2017SaveLearn
Light baryons below and above the deconfinement transition: medium effects and parity doublingWe study what happens to the Nucleon, Delta and Omega baryons in the hadronic gas and the quark-gluon plasma, with particular interest in parity doubling and its emergence as the plasma is heated.…Gert Aarts, Chris Allton, Davide De Boni et al.·Mar 27, 2017SaveLearn
Nucleon scalar and tensor charges using lattice QCD simulations at the physical value of the pion massWe present results on the light, strange and charm nucleon scalar and tensor charges from lattice QCD, using simulations with Nf=2 flavors of twisted mass Clover-improved fermions with a physical…C. Alexandrou, M. Constantinou, P. Dimopoulos et al.·Mar 26, 2017SaveLearn
Matching issue in quasi parton distribution approachIn recent years, the quasi parton distribution has been introduced for extracting the parton distribution functions from lattice QCD simulations. The quasi and standard distribution share the same…Tomomi Ishikawa, Yan-Qing Ma, Jian-Wei Qiu et al.·Mar 25, 2017SaveLearn
Off-forward gluonic structure of vector mesonsThe spin-independent and transversity generalised form factors (GFFs) of the ϕ meson are studied using lattice QCD calculations with light quark masses corresponding to a pion mass mπ450(5)…W. Detmold, D. Pefkou, P. E. Shanahan·Mar 23, 2017SaveLearn
Shift of Symmetries of Naive Fermions in QCD-like Lattice TheoriesWe study the global symmetries of naive lattices Dirac operators in QCD-like theories in any dimension larger than two. In particular we investigate how the chosen number of lattice sites in each…Mario Kieburg, Tim R. Würfel·Mar 23, 2017SaveLearn