Grown lattice matched to GaN, InAlN-based heterojunction field effect transistors (HFETs) are promising due to the relatively large band discontinuity at the interface and lack of misfit strain. Despite the recent progress in the growth, there still exists some questions as to the true lattice matching condition of InAlN to GaN due to discrepancies in the value of the lattice parameters of the ...

The low energy effective Hamiltonian of the standard model includes ∆S = 1 four-fermion operators with corresponding Wilson coefficients, which contains all the short-distance physics. The low energy effects of the electroweak and strong interactions can be expressed in terms of matrix elements of the four-fermion operators between hadronic states. Lattice QCD is wellsuited to calculate these m...

We present a preliminary result for second moment of the light cone wave function of the pion. This parameter is the subject of a discrepancy between theoretical predictions (coming from lattice and sum rules) and a recent experimental result (that remarkably agrees with purely perturbative predictions). In this work we exploit lattice hypercubic symmetries to remove power divergences and, more...

We investigate a two-component lattice with a quadratic nonlinearity and find with the multiple scale technique that integrable three-wave interaction takes place between plane wave solutions when these fulfill resonance conditions. We demonstrate that energy conversion and pulse propagation known from three-wave interaction is reproduced in the lattice and that exact phase matching of parametr...

We present a preliminary calculation of the charmonium spectrum using the dynamical 2+1 flavor 243 × 64 domain wall fermion lattice configurations generated by the RBC and UKQCD collaborations. We use the relativistic heavy quark action with 3 parameters non-perturbatively determined by matching to experimental quantities. Chiral extrapolation is done on four light sea quark masses from 0.005 t...

We apply the tadpole and cactus improvement methods to the measurement of the gluon condensate of 3D SU(3) Yang-Mills theory. The matching of the lattice measurement to the continuum MS scheme involves the subtraction of a series of lattice artifacts divergent up to four loop, which has recently appeared in the literature. The two tested improvement methods are found to significantly increase t...

Using the results of several quenched lattice simulations, we predict the value of the strange and charm quark masses in the continuum at the next-to-leading order, m M S s (µ = 2 GeV) = (128 ± 18) MeV and m M S ch (µ = 2 GeV) = (1.48± 0.28) GeV. The errors quoted above have been estimated by taking into account the original statistical error of the lattice results and the uncertainties coming ...

We discuss lattice simulations of the ground state of dilute neutron matter at nextto-leading order in chiral effective field theory. In a previous paper the coefficients of the next-to-leading-order lattice action were determined by matching nucleon-nucleon scattering data for momenta up to the pion mass. Here the same lattice action is used to simulate the ground state of up to 12 neutrons in...

We develop a model of many-to-many matching with contracts which subsumes as special cases many-to-many matching markets and buyer-seller markets with heterogeneous and indivisible goods. In our setting, in contrast to results for the setting of many-to-one matching with contracts, preference substitutability is sufficient and necessary to guarantee the existence of a nonempty lattice of stable...