Quark-meson duality for two-point functions of vector and axial-vector QCD currents is investigated in the large-Nc approximation. We find that the joint constraints of duality and chiral symmetry… (More)

Properties of the proton and neutron are studied in partially-quenched chiral perturbation theory at finite lattice spacing. Masses, magnetic moments, the matrix elements of isovector twist-2… (More)

We present results of the first fully dynamical lattice QCD determination of nucleon-nucleon scattering lengths in the 1S0 channel and 3S1 - 3D1 coupled channels. The calculations are performed with… (More)

Properties of the proton and the neutron are explored in partiallyquenched chiral perturbation theory with two non-degenerate light flavors. Masses, magnetic moments, matrix elements of isovector… (More)

The low-energy effective theories for the twoand three-flavor colorsuperconductors arising in the high density limit of QCD are discussed. Using an effective field theory to describe quarks near the… (More)

New constraints on resonance saturation in chiral perturbation theory are investigated. These constraints arise because each consistent saturation scheme must map to a representation of the full QCD… (More)

The study of nuclei predates by many years the theory of quantum chromodynamics. More recently, effective field theories have been used in nuclear physics to “cross the border” from QCD to a nuclear… (More)

The dependence of the nuclear force on standard model parameters plays an important role in bounding time and space variations of fundamental couplings over cosmological time scales. We discuss the… (More)

The pion-deuteron scattering length is computed to next-to-next-to-leading order in baryon chiral perturbation theory. A modified power-counting is then formulated which properly accounts for… (More)

We explore the quark-mass dependence of two-nucleon systems. Allowed regions for the scattering lengths in the S0 and S1 channels as functions of the light-quark masses are determined from the… (More)