QCD phase diagram for finite imaginary chemical potential with HISQ fermionsWe present results from an ongoing study of the phase diagram of (2+1)-flavor QCD using the HISQ action with smaller than physical light quark masses in the Roberge-Weiss (RW) plane on lattices with…Jishnu Goswami, Frithjof Karsch, Anirban Lahiri et al.·Nov 6, 2018SaveLearn
Nucleon-J/ψ and nucleon-ηc scattering in Pc pentaquark channels from LQCDThe lattice QCD simulation of NJ/ψ and Nηc scattering is performed at mπ 266~MeV in channels with all possible JP. This includes JP=3/2 and 5/2 where LHCb discovered…Ursa Skerbis, Sasa Prelovsek·Nov 6, 2018SaveLearn
O(a) improved quark mass renormalization for a non-perturbative matching of HQET to three-flavor QCDThe use of Heavy Quark Effective Theory (HQET) on the lattice as an approach to B-physics phenomenology is based on a non-perturbative matching of HQET to QCD in finite volume. As a first step to…Patrick Fritzsch, Jochen Heitger, Simon Kuberski·Nov 6, 2018SaveLearn
Tensor polarizability of the vector mesons from SU(3) lattice gauge theoryThe magnetic dipole polarizabilities of the vector ρ0 and ρ mesons in SU(3) pure gauge theory are calculated in the article. Based on this the authors explore the contribution of the…E. V. Luschevskaya, O. V. Teryaev, D. Yu. Golubkov et al.·Nov 6, 2018SaveLearn
Baryonic states in supersymmetric Yang-Mills theoryIn N=1 supersymmetric Yang-Mills theory the superpartner of the gluon is the gluino, which is a spin 1/2 Majorana particle in the adjoint representation of the gauge group. Combining…Sajid Ali, Georg Bergner, Henning Gerber et al.·Nov 6, 2018SaveLearn
Phase structure of N=1 super Yang-Mills theory from the gradient flowComposite operators of bare fermion fields evolved along a trajectory on field space by means of flow equations are multiplicatively renormalized. Therefore, even in the case of Wilson fermions, the…Georg Bergner, Camilo Lopez, Stefano Piemonte·Nov 6, 2018SaveLearn
Improved study of the β-function of SU(3) gauge theory with Nf = 10 massless domain-wall fermionsI perform an improved study of the β-function of SU(3) lattice gauge theory with Nf=10 massless optimal domain-wall fermions in the fundamental representation, which serves as a check to…Ting-Wai Chiu·Nov 5, 2018SaveLearn
The Leutwyler-Smilga relation on the latticeAccording to the Leutwyler-Smilga relation, in Quantum Chromodynamics (QCD) the topological susceptibility vanishes linearly with the quark masses. Calculations of the topological susceptibility in…Gernot Münster, Raimar Wulkenhaar·Nov 5, 2018SaveLearn
Phase structure of lattice Yang-Mills theory on T2 × R2We study properties of SU(2) Yang-Mills theory on a four-dimensional Euclidean spacetime in which two directions are compactified into a finite two-dimensional torus T2 while two others…M. N. Chernodub, V. A. Goy, A. V. Molochkov·Nov 5, 2018SaveLearn
Localization in SU(3) gauge theoryIn this paper we study the localization transition of Dirac eigenmodes in quenched QCD. We determined the temperature dependence of the mobility edge in the quark-gluon plasma phase near the…Tamas G. Kovacs, Reka A. Vig·Nov 5, 2018SaveLearn
Supersymmetric and conformal theories on the lattice: from super Yang-Mills towards super QCDThis talk is an overview of our recent investigations of supersymmetric and near conformal gauge theories. We have studied extensively N=1 super Yang-Mills theory, most recently with the…Georg Bergner, Stefano Piemonte·Nov 5, 2018SaveLearn
N=1 Supersymmetric SU(3) Gauge Theory -- Pure Gauge sector with a twistSupersymmetric gauge theories are an essential part of most theories beyond the standard model. In the present work we investigate the pure gauge sector of Super-QCD focusing on the bound states,…Marc Steinhauser, Andre Sternbeck, Björn Wellegehausen et al.·Nov 5, 2018SaveLearn
N=1 Supersymmetric SU(3) Gauge Theory - Towards simulations of Super-QCDN=1 supersymmetric QCD (SQCD) is a possible building block of theories beyond the standard model. It describes the interaction between gluons and quarks with their superpartners, gluinos…Björn Wellegehausen, Andreas Wipf·Nov 5, 2018SaveLearn
Temporal Correlators in the Continuous Time Formulation of Strong Coupling Lattice QCDWe present results for lattice QCD in the limit of infinite gauge coupling on a discrete spatial but continuous Euclidean time lattice. A worm type Monte Carlo algorithm is applied in order to sample…Marc Klegrewe, Wolfgang Unger·Nov 5, 2018SaveLearn
Quasi-PDFs from Twisted mass fermions at the physical pointWe present results for the flavor non-singlet u-d parton distribution functions within the nucleon using the quasi-PDF approach. The lattice calculation is performed by employing the twisted mass…Constantia Alexandrou, Krzysztof Cichy, Martha Constantinou et al.·Nov 5, 2018SaveLearn
Light-cone PDFs from Lattice QCDUsing the approach proposed a few years ago by X. Ji, it has become feasible to extract parton distribution functions (PDFs) from lattice QCD, a task thought to be extremely difficult before Ji's…Constantia Alexandrou, Krzysztof Cichy, Martha Constantinou et al.·Nov 5, 2018SaveLearn
On the distinction between color confinement, and confinementThe property of color confinement ("C confinement"), meaning that all asymptotic particle states are color neutral, holds not only in QCD, but also in gauge-Higgs theories deep in the Higgs…Jeff Greensite, Kazue Matsuyama·Nov 5, 2018SaveLearn
Challenges Implementing non-Abelian SU(2) Quantum Chromodynamics Gauge Links On a Universal Quantum ComputerThe traditional approach for studying the physics of the strong interactions employs a basic computational construct originally proposed by Wilson in the 1970s. Over the years additional enhancements…Patrick Dreher·Nov 4, 2018SaveLearn
PDFs in small boxesPDFs can be studied directly using lattice QCD by evaluating matrix elements of non-local operators. A number of groups are pursuing numerical calculations and investigating possible systematic…Raúl A. Briceño, Juan V. Guerrero, Maxwell T. Hansen et al.·Nov 3, 2018SaveLearn
Lattice sine-Gordon modelWe obtain nonperturbative results on the sine-Gordon model using the lattice field technique. In particular, we employ the Fourier accelerated hybrid Monte Carlo algorithm for our studies. We find…James Flamino, Joel Giedt·Nov 3, 2018SaveLearn
Unphysical properties of the static quark-antiquark four-point correlator in Landau gaugeWe consider the four point connected correlator representing a static quark-antiquark pair separated by a spatial distance R, propagating for a Euclidean time T. This function is computed by lattice…Jeff Greensite, Evan Owen·Nov 2, 2018SaveLearn
Four fermion condensates in SU(2) Yang-Mills-Higgs theory on a latticeWe study a model of four reduced staggered fields transforming in the bifundamental representation of a SU(2)× SU(2) symmetry group where just one of the SU(2) factors is gauged. This field…Nouman Butt, Simon Catterall·Nov 2, 2018SaveLearn
Towards leading isospin breaking effects in mesonic masses with open boundariesWe present an exploratory study of leading isospin breaking effects in mesonic masses using O(a) improved Wilson fermions with open boundaries. Isospin symmetry is explicitly broken by distinct…Andreas Risch, Hartmut Wittig·Nov 2, 2018SaveLearn
B D(*)ν form factors from Nf\!=\!2+1 QCD with Möbius domain-wall quarksWe report on our study of the B D(*) νsemileptonic decays at zero and nonzero recoils in 2+1 flavor QCD. The Möbius domain-wall action is employed for light, charm and bottom quarks at…Takashi Kaneko, Yasumichi Aoki, Brian Colquhoun et al.·Nov 2, 2018SaveLearn
Recent Developments in x-dependent Structure CalculationsFirst principles calculations of the Bjorken-x dependence of hadron structure have been a long-standing challenge for lattice QCD. This year marks a significant milestone: the first determinations…Christopher Monahan·Nov 1, 2018SaveLearn