QCD phase transition at real chemical potential with canonical approachWe study the finite density phase transition in the lattice QCD at real chemical potential. We adopt canonical approach and the canonical partition function is constructed for Nf=2 QCD. After…Atsushi Nakamura, Shotaro Oka, Yusuke Taniguchi·Apr 17, 2015SaveLearn
Expressing the three-particle finite-volume spectrum in terms of the three-to-three scattering amplitudeIn this article we complete our formalism relating the finite-volume energy spectrum of a scalar quantum field theory to the three-to-three scattering amplitude, M3. In previous work we…Maxwell T. Hansen, Stephen R. Sharpe·Apr 16, 2015SaveLearn
Canonical approach to the finite density QCD with winding number expansionThe canonical partition function is related to the grand canonical one through the fugacity expansion and is known to have no sign problem. In this paper we perform the fugacity expansion by a method…Atsushi Nakamura, Shotaro Oka, Yusuke Taniguchi·Apr 16, 2015SaveLearn
QCD thermodynamics with continuum extrapolated Wilson fermions IIWe continue our investigation of 2+1 flavor QCD thermodynamics using dynamical Wilson fermions in the fixed scale approach. Two additional pion masses, approximately 440 MeV and 285 MeV, are added to…Szabolcs Borsanyi, Stephan Durr, Zoltan Fodor et al.·Apr 14, 2015SaveLearn
Masses and decay constants of pions and kaons in mixed-action staggered chiral perturbation theoryLattice QCD calculations with different staggered valence and sea quarks can be used to improve determinations of quark masses, Gasser-Leutwyler couplings, and other parameters relevant to…Jon A. Bailey, Hyung-Jin Kim, Jongjeong Kim et al.·Apr 10, 2015SaveLearn
Exploring a new SU(4) symmetry of meson interpolatorsIn recent lattice calculations it has been discovered that mesons upon truncation of the quasi-zero modes of the Dirac operator obey a symmetry larger than the SU(2)L × SU(2)R× U(1)A…L. Ya. Glozman, M. Pak·Apr 9, 2015SaveLearn
First order transition regions in the quark masses and chemical potential parameter space of QCDWe investigate the phase transitions of (2+Nf)-flavor QCD, where two light flavors and Nf massive flavors exist, aiming to understand the phase structure of (2+1)-flavor QCD. Performing simulations…Shinji Ejiri, Norikazu Yamada, Hiroshi Yoneyama·Apr 9, 2015SaveLearn
Phase transition in finite density and temperature lattice QCDWe investigate the behavior of the chiral condensate in lattice QCD at finite temperature and finite chemical potential. The study was done using two flavors of light quarks and with a series of β…Rui Wang, Ying Chen, Ming Gong et al.·Apr 9, 2015SaveLearn
Improved lattice fermion action for heavy quarksWe develop an improved lattice action for heavy quarks based on Brillouin-type fermions, that have excellent energy-momentum dispersion relation. The leading discretization errors of O(a) and…Yong-Gwi Cho, Shoji Hashimoto, Andreas Jüttner et al.·Apr 7, 2015SaveLearn
Coupled channel approach to strangeness S = -2 baryon-bayron interactions in Lattice QCDThe baryon-baryon interactions with strangeness S = -2 with the flavor SU(3) breaking are calculated for the first time by using the HAL QCD method extended to coupled channel system in lattice QCD.…Kenji Sasaki, Sinya Aoki, Takumi Doi et al.·Apr 7, 2015SaveLearn
The kaon semileptonic form factor in Nf=2+1 domain wall lattice QCD with physical light quark massesWe present the first calculation of the kaon semileptonic form factor with sea and valence quark masses tuned to their physical values in the continuum limit of 2+1 flavour domain wall lattice QCD.…Peter A. Boyle, Norman H. Christ, Jonathan M. Flynn et al.·Apr 7, 2015SaveLearn
Pion masses in 2-flavor QCD with η condensationWe investigate the 2-flavor QCD with non-degenerate quark masses at low-energy, using the chiral perturbation theory including the η meson and anomaly effects. For the fixed md=0, the…Sinya Aoki, Michael Creutz·Apr 7, 2015SaveLearn
Effects of finite volume on the KL-KS mass differencePhenomena that involve two or more on-shell particles are particularly sensitive to the effects of finite volume and require special treatment when computed using lattice QCD. In this paper we…Norman H. Christ, Xu Feng, Guido Martinelli et al.·Apr 5, 2015SaveLearn
Estimates of critical quantities from an expansion in mass: Ising model on the simple cubic latticeIn the Ising model on the simple cubic lattice, we describe the inverse temperature β and other quantities relevant for the computation of critical quantities in terms of a dimensionless squared…Hirofumi Yamada·Apr 5, 2015SaveLearn
Curvature of the critical line on the plane of quark chemical potential and pseudo scalar meson mass for three-flavor QCDWe investigate the phase structure of three-flavor QCD in the presence of finite quark chemical potential μ/T1.2 by using the non-perturbatively O(a) improved Wilson fermion action on…Xiao-Yong Jin, Yoshinobu Kuramashi, Yoshifumi Nakamura et al.·Apr 1, 2015SaveLearn
mu-Squared Dependent Deviation of the Non Perturbative ZA,MOM from the True Axial Renormalisation Constant, Implied by Ward IdentityIt is recalled why, as already stated in a previous paper, there seems to be an inconsistency in identifying the non perturbative ZA,MOM as the renormalisation of the axial current, or equivalently,…Ph. Boucaud, J. -P. Leroy, A. Le Yaouanc et al.·Mar 31, 2015SaveLearn
Coulomb vs. physical string tension on the latticeFrom continuum studies it is known that the Coulomb string tension σC gives an upper bound for the physical (Wilson) string tension σW [D. Zwanziger, Phys. Rev. Lett. 90, 102001 (2003)]. How…G. Burgio, M. Quandt, H. Reinhardt et al.·Mar 31, 2015SaveLearn
Hopping parameter expansion to all orders using the complex Langevin equationWe propose two novel formulations of the hopping parameter expansion for finite density QCD using Wilson fermions, while keeping the gauge action intact. We use the complex Langevin equation to…G. Aarts, E. Seiler, D. Sexty et al.·Mar 30, 2015SaveLearn
Hadronic InteractionsUnderstanding hadronic interactions is crucial for investigating the properties of unstable hadrons, since measuring physical quantities for unstable hadrons including the resonance mass and decay…Takeshi Yamazaki·Mar 30, 2015SaveLearn
Charmed baryon spectroscopy and light flavour symmetry from lattice QCDWe determine the ground state and first excited state masses of singly and doubly charmed spin 1/2 and 3/2 baryons with positive and negative parity. Configurations with Nf=2+1 non-perturbatively…Gunnar Bali, Sara Collins, Paula Pérez-Rubio·Mar 29, 2015SaveLearn
Gauge/gravity duality and lattice simulations of one dimensional SYM with sixteen superchargesWe study the gauge/gravity duality for supersymmetric SU(N) Yang-Mills theory in 1+0 dimension with sixteen supercharges using lattice simulations. The conjectured duality states that the gravity…Daisuke Kadoh, Syo Kamata·Mar 29, 2015SaveLearn
Gauge-invariant implementation of the Abelian Higgs model on optical latticesWe present a gauge-invariant effective action for the Abelian Higgs model (scalar electrodynamics) with a chemical potential μ on a 1+1 dimensional lattice. This formulation provides an expansion…Alexei Bazavov, Yannick Meurice, Shan-Wen Tsai et al.·Mar 28, 2015SaveLearn
QCD phase diagram from the lattice at strong couplingThe phase diagram of lattice QCD in the strong coupling limit can be measured in the full μ-T plane, also in the chiral limit. In particular, the phase diagram in the chiral limit features a…Philippe de Forcrand, Owe Philipsen, Wolfgang Unger·Mar 27, 2015SaveLearn
|Vub| from Bπν decays and (2+1)-flavor lattice QCDWe present a lattice-QCD calculation of the Bπν semileptonic form factors and a new determination of the CKM matrix element |Vub|. We use the MILC asqtad 2+1-flavor lattice…Fermilab Lattice, MILC Collaborations, : et al.·Mar 26, 2015SaveLearn
Ωc γ→Ωc transition in lattice QCDWe study the electromagnetic Ωc γ→Ωc transition in 2+1 flavor lattice QCD, which gives access to the dominant decay mode of Ωc baryon. The magnetic dipole and the electric…H. Bahtiyar, K. U. Can, G. Erkol et al.·Mar 25, 2015SaveLearn