Energy-momentum tensor on the lattice: non-perturbative renormalization in Yang--Mills theoryWe construct an energy-momentum tensor on the lattice which satisfies the appropriate Ward Identities (WIs) and has the right trace anomaly in the continuum limit. It is defined by imposing suitable…Leonardo Giusti, Michele Pepe·Mar 24, 2015SaveLearn
General solution of cyclic Leibniz ruleWe study the general solution of the cyclic Leibniz rule (CLR) which was recently proposed as a new approach to the lattice supersymmetry. Introducing some mathematical preliminaries related to the…Daisuke Kadoh, Naoya Ukita·Mar 24, 2015SaveLearn
The B D ν form factors at nonzero recoil and |Vcb| from 2+1-flavor lattice QCDWe present the first unquenched lattice-QCD calculation of the hadronic form factors for the exclusive decay B → D ν at nonzero recoil. We carry out numerical…Fermilab Lattice, MILC Collaborations, : et al.·Mar 24, 2015SaveLearn
Fluctuation effects on QCD phase diagram at strong couplingWe study the QCD phase diagram away from the strong coupling limit (SCL) with fluctuation effects in the auxiliary field Monte-Carlo (AFMC) method. First, we give an effective action which contains…Terukazu Ichihara, Akira Ohnishi·Mar 24, 2015SaveLearn
The Static Quark Potential from the Gauge Independent Abelian DecompositionWe investigate the relationship between colour confinement and the gauge independent Cho-Duan-Ge Abelian decomposition. The decomposition is defined in terms of a colour field n; the principle…Nigel Cundy, Y. M. Cho, Weonjong Lee·Mar 24, 2015SaveLearn
From Doubled Chern-Simons-Maxwell Lattice Gauge Theory to Extensions of the Toric CodeWe regularize compact and non-compact Abelian Chern-Simons-Maxwell theories on a spatial lattice using the Hamiltonian formulation. We consider a doubled theory with gauge fields living on a lattice…T. Z. Olesen, N. D. Vlasii, U. -J. Wiese·Mar 24, 2015SaveLearn
Measuring the Topological Susceptibility in a Fixed SectorFor field theories with a topological charge Q, it is often of interest to measure the topological susceptibility chit = ( < Q2 > - < Q >2 ) / V. If we manage to perform a Monte Carlo simulation…Irais Bautista, Wolfgang Bietenholz, Arthur Dromard et al.·Mar 23, 2015SaveLearn
Current status of K with lattice QCD inputsWe present the Standard Model evaluation of the indirect CP violation parameter K using inputs determined from lattice QCD together with experiment: |Vus|, |Vcb|, ξ0, and…Jon A. Bailey, Yong-Chull Jang, Weonjong Lee et al.·Mar 23, 2015SaveLearn
Determination of Reference Scales for Wilson Gauge Action from Yang--Mills Gradient FlowA parametrization of the lattice spacing (a) in terms of the bare coupling (β) for the SU(3) Yang--Mills theory with the Wilson gauge action is given in a wide range of~β. The Yang--Mills…Masayuki Asakawa, Takumi Iritani, Masakiyo Kitazawa et al.·Mar 23, 2015SaveLearn
Two-Color QCD with Non-zero Chiral Chemical PotentialThe phase diagram of two-color QCD with non-zero chiral chemical potential is studied by means of lattice simulation. We focus on the influence of a chiral chemical potential on the…V. V. Braguta, V. A. Goy, E. -M. Ilgenfritz et al.·Mar 23, 2015SaveLearn
Quantum phase transition of high dimensional Yang-Mills theoriesWe determine the critical value of the coupling where the first order quantum phase transition takes place for lattice SU(2) Yang-Mills theories in dimensions higher than four. Within a Mean-Field…Nikos Irges, George Koutsoumbas, Konstantinos Ntrekis·Mar 22, 2015SaveLearn
Chiral Corrections to Nucleon Two- and Three-Point Correlation FunctionsWe consider multi-particle contributions to nucleon two- and three-point functions from the perspective of chiral dynamics. Lattice nucleon interpolating operators, which have definite chiral…Brian C. Tiburzi·Mar 21, 2015SaveLearn
Disconnected Quark Loop Contributions to Nucleon StructureWe calculate the disconnected contribution to isoscalar nucleon charges for scalar, axial and tensor channels of light and strange quarks. The calculation has been done with the Clover valence quarks…Tanmoy Bhattacharya, Rajan Gupta, Boram Yoon·Mar 20, 2015SaveLearn
B-meson decay constants: a more complete picture from full lattice QCDWe extend the picture of B-meson decay constants obtained in lattice QCD beyond those of the B, Bs and Bc to give the first full lattice QCD results for the B*, B*s and B*c. We…B. Colquhoun, C. T. H. Davies, R. J. Dowdall et al.·Mar 19, 2015SaveLearn
Critical point and scale setting in SU(3) plasma: An updateWe explore a method developed in statistical physics which has been argued to have exponentially small finite-volume effects, in order to determine the critical temperature Tc of pure SU(3) gauge…A. Francis, O. Kaczmarek, M. Laine et al.·Mar 19, 2015SaveLearn
Potential description of the charmonium from lattice QCDWe present spin-independent and spin-spin interquark potentials for charmonium states, that are calculated using a relativistic heavy quark action for charm quarks on the PACS-CS gauge configurations…Taichi Kawanai, Shoichi Sasaki·Mar 19, 2015SaveLearn
Standard Model evaluation of K using lattice QCD inputs for BK and VcbWe report the Standard Model evaluation of the indirect CP violation parameter K using inputs determined from lattice QCD: the kaon bag parameter BK, ξ0, |Vus| from the…Jon A. Bailey, Yong-Chull Jang, Weonjong Lee et al.·Mar 18, 2015SaveLearn
Vector and scalar charmonium resonances with lattice QCDWe perform an exploratory lattice QCD simulation of D D scattering, aimed at determining the masses as well as the decay widths of charmonium resonances above open charm threshold. Neglecting…C. B. Lang, Luka Leskovec, Daniel Mohler et al.·Mar 18, 2015SaveLearn
Supersymmetric quantum mechanics on the lattice: II. Exact resultsSimulations of supersymmetric field theories with spontaneously broken supersymmetry require in addition to the ultraviolet regularisation also an infrared one, due to the emergence of the massless…David Baumgartner, Urs Wenger·Mar 17, 2015SaveLearn
On the efficient numerical solution of lattice systems with low-order couplingsWe apply the Quasi Monte Carlo (QMC) and recursive numerical integration methods to evaluate the Euclidean, discretized time path-integral for the quantum mechanical anharmonic oscillator and a…A. Ammon, A. Genz, T. Hartung et al.·Mar 17, 2015SaveLearn
Density of states method for the Z(3) spin modelWe apply the density of states approach to the Z(3) spin model with a chemical potential mu. For determining the density of states we use restricted Monte Carlo simulations on small intervals of the…Christof Gattringer, Pascal Törek·Mar 17, 2015SaveLearn
Restoration of supersymmetry in two-dimensional SYM with sixteen supercharges on the latticeWe perform lattice simulations of two-dimensional supersymmetric Yang-Mills theory with sixteen supercharges with a lattice action which has two exact supercharges (Sugino lattice action). According…Eric Giguère, Daisuke Kadoh·Mar 15, 2015SaveLearn
Towards the large volume limit - A method for lattice QCD + QED simulationsWe present a method to couple finite-volume QCD to infinite-volume QED by an appropriate twist-averaging procedure. We demonstrate the prescription numerically for the leading-order hadronic…Christoph Lehner, Taku Izubuchi·Mar 15, 2015SaveLearn
Euclidean Dynamical Triangulation revisited: is the phase transition really 1st order? (extended version)The transition between the two phases of 4D Euclidean Dynamical Triangulation [1] was long believed to be of second order until in 1996 first order behavior was found for sufficiently large systems…Tobias Rindlisbacher, Philippe de Forcrand·Mar 12, 2015SaveLearn
Nucleon-pion-state contribution to nucleon two-point correlation functionsWe study the nucleon-pion-state contribution to the QCD two-point function of the standard nucleon interpolating fields. For sufficiently small quark masses these two-particle states are expected to…Oliver Bar·Mar 12, 2015SaveLearn