Colored-hadron distribution in hadron scattering in SU(2) lattice QCDIn color SU(2) lattice QCD, we investigate colored-diquark distributions in two-hadron scatterings by means of Bethe-Salpeter amplitudes on the lattice. With colored-diquark operators in the Coulomb…Toru T. Takahashi, Yoshiko Kanada-En'yo·Jun 21, 2016SaveLearn
Fermion masses through four-fermion condensatesFermion masses can be generated through four-fermion condensates when symmetries prevent fermion bilinear condensates from forming. This less explored mechanism of fermion mass generation is…Venkitesh Ayyar, Shailesh Chandrasekharan·Jun 20, 2016SaveLearn
Single quark entropy and the Polyakov loopWe study Quantum Chromodynamics (QCD) with 2+1 flavors with almost physical quark masses using the highly improved staggered quark action (HISQ). We calculate the Polyakov loop in a wide temperature…Johannes Heinrich Weber·Jun 20, 2016SaveLearn
The QCD phase diagram in the limit of heavy quarks using complex Langevin dynamicsComplex Langevin simulations allow numerical studies of theories that exhibit a sign problem, such as QCD, and are thereby potentially suitable to determine the QCD phase diagram from first…Gert Aarts, Felipe Attanasio, Benjamin Jäger et al.·Jun 17, 2016SaveLearn
Statistical tweaks and flow scale from massesWe compare lattice scales determined from the vector meson mass and the Wilson flow scale w0 in QCD with two-flavours of rooted naive staggered fermions over a wide range of lattice spacing and…Saumen Datta, Sourendu Gupta, Anirban Lahiri et al.·Jun 17, 2016SaveLearn
Colorful vortex intersections in SU(2) lattice gauge theory and their influencs on chiral propertiesWe introduce topological non-trivial colorful regions around intersection points of two perpendicular vortex pairs and investigate their influence on topological charge density and eigenmodes of the…Seyed Mohsen Hosseini Nejad, Manfried Faber·Jun 15, 2016SaveLearn
Physical properties of Polyakov loop geometrical clusters in SU(2) gluodynamicsWe apply the liquid droplet model to describe the clustering phenomenon in SU(2) gluodynamics, especially, in the vicinity of the deconfinement phase transition. In particular, we analyze the size…A. I. Ivanytskyi, K. A. Bugaev, E. G. Nikonov et al.·Jun 15, 2016SaveLearn
Precision lattice test of the gauge/gravity duality at large-NWe pioneer a systematic, large-scale lattice simulation of D0-brane quantum mechanics. The large-N and continuum limits of the gauge theory are taken for the first time at various temperatures $0.4…Evan Berkowitz, Enrico Rinaldi, Masanori Hanada et al.·Jun 15, 2016SaveLearn
Gluonic Transversity from Lattice QCDWe present an exploratory study of the gluonic structure of the ϕ meson using lattice QCD (LQCD). This includes the first investigation of gluonic transversity via the leading moment of the…W. Detmold, P. E. Shanahan·Jun 14, 2016SaveLearn
Small flow-time representation of fermion bilinear operatorsFermion bilinear operators of mass dimension~3, such as the axial-vector and vector currents, the pseudo-scalar and scalar densities, whose normalizations are fixed by Ward--Takahashi (WT)…Kenji Hieda, Hiroshi Suzuki·Jun 14, 2016SaveLearn
Form the density-of-states method to finite density quantum field theoryDuring the last 40 years, Monte Carlo calculations based upon Importance Sampling have matured into the most widely employed method for determinig first principle results in QCD. Nevertheless,…Kurt Langfeld, Biagio Lucini·Jun 13, 2016SaveLearn
Hamiltonian simulation of the Schwinger model at finite temperatureUsing Matrix Product Operators (MPO) the Schwinger model is simulated in thermal equilibrium. The variational manifold of gauge invariant MPO is constructed to represent Gibbs states. As a first…Boye Buyens, Frank Verstraete, Karel Van Acoleyen·Jun 10, 2016SaveLearn
Nucleon matrix elements using the variational method in lattice QCDThe extraction of hadron matrix elements in lattice QCD using the standard two- and three-point correlator functions demands careful attention to systematic uncertainties. One of the most commonly…Jack Dragos, Roger Horsley, Waseem Kamleh et al.·Jun 10, 2016SaveLearn
The topological susceptibility in finite temperature QCD and axion cosmologyWe study the topological susceptibility in 2+1 flavor QCD above the chiral crossover transition temperature using Highly Improved Staggered Quark action and several lattice spacings, corresponding to…Peter Petreczky, Hans-Peter Schadler, Sayantan Sharma·Jun 9, 2016SaveLearn
Radiative contribution to the effective potential in composite Higgs models from lattice gauge theoryWe develop methods to calculate the electroweak gauge boson contribution to the effective Higgs potential in the context of composite Higgs models, using lattice gauge theory. The calculation is…T. A. DeGrand, M. Golterman, W. I. Jay et al.·Jun 8, 2016SaveLearn
A study of symmetry breaking in a relativistic Bose gas using the contraction algorithmA relativistic Bose gas at finite density suffers from a sign problem that makes direct numerical simulations not feasible. One possible solution to the sign problem is to re-express the path…Andrei Alexandru, Gokce Basar, Paulo Bedaque et al.·Jun 8, 2016SaveLearn
Axial charges of hyperons and charmed baryons using Nf=2+1+1 twisted mass fermionsThe axial couplings of the low lying baryons are evaluated using a total of five ensembles of dynamical twisted mass fermion gauge configurations. The simulations are performed using the Iwasaki…C. Alexandrou, K. Hadjiyiannakou, Ch. Kallidonis·Jun 6, 2016SaveLearn
Lattice study of large Nc QCDWe present a lattice simulation study of large Nc regularities of meson and baryon spectroscopy in SU(Nc) gauge theory with two flavors of dynamical fundamental representation fermions. Systems…Thomas DeGrand, Yuzhi Liu·Jun 3, 2016SaveLearn
Short-distance charmonium correlator on the lattice with Möbius domain-wall fermion and a determination of charm quark massWe calculate charmonium correlators on the lattice with 2+1-flavors of sea quarks and charm valence quark both described by the Möbius domain-wall fermion. Temporal moments of the correlators are…Katsumasa Nakayama, Brendan Fahy, Shoji Hashimoto·Jun 3, 2016SaveLearn
Electromagnetic effects on the light pseudoscalar mesons and determination of mu/mdThe MILC Collaboration has completed production running of electromagnetic effects on light mesons using asqtad improved staggered quarks. In these calculations, we use quenched photons in the…MILC Collaboration, S. Basak, A. Bazavov et al.·Jun 3, 2016SaveLearn
Distribution of the k-th smallest Dirac operator eigenvalue : an updateBased on the exact relationship to random matrix theory, we present an alternative method of evaluating the probability distribution of the k-th smallest Dirac eigenvalue in the epsilon-regime of QCD…Shinsuke M. Nishigaki·Jun 1, 2016SaveLearn
Multiscale Monte Carlo equilibration: Two-color QCD with two fermion flavorsWe demonstrate the applicability of a recently proposed multiscale thermalization algorithm to two-color quantum chromodynamics (QCD) with two mass-degenerate fermion flavors. The algorithm involves…William Detmold, Michael G. Endres·May 31, 2016SaveLearn
Lattice Landau gauge quark propagator and the quark-gluon vertexWe report preliminary results of our ongoing lattice computation of the Landau gauge quark propagator and the soft gluon limit of the quark-gluon vertex with 2 flavors of dynamical O(a) improved…Orlando Oliveira, Ayse Kızılersu, Paulo J. Silva et al.·May 31, 2016SaveLearn
Perturbative renormalization of ΔF = 2 four-fermion operators with the chirally rotated Schrödinger functionalThe chirally rotated Schrödinger functional (χSF) renders the mechanism of automatic O(a) improvement compatible with Schrödinger functional (SF) renormalization schemes. Here we define a family…Mattia Dalla Brida, Mauro Papinutto, Pol Vilaseca·May 29, 2016SaveLearn
Excitations of strange bottom baryonsThe ground state and first excited state masses of Omega(b) and Omega(bb) baryons are calculated in lattice QCD using dynamical 2+1 flavour gauge fields. A set of baryon operators employing different…R. M. Woloshyn·May 29, 2016SaveLearn