and resonances on the lattice at nearly physical quark masses and

GS Bali, S Collins, A Cox, G Donald, M Göckeler… - Physical Review D, 2016 - APS
Working with a pion mass m π≈ 150 MeV, we study π π and K π scattering using two flavors
of nonperturbatively improved Wilson fermions at a lattice spacing a≈ 0.071 fm. Employing …

Nucleon isovector couplings from lattice QCD

GS Bali, S Collins, B Gläßle, M Göckeler, J Najjar… - Physical Review D, 2015 - APS
We compute the axial, scalar, tensor and pseudoscalar isovector couplings of the nucleon
as well as the induced tensor and pseudoscalar charges in lattice simulations with N f= 2 …

Direct determinations of the nucleon and pion terms at nearly physical quark masses

GS Bali, S Collins, D Richtmann, A Schäfer, W Söldner… - Physical Review D, 2016 - APS
We present a high statistics study of the pion and nucleon light and strange quark sigma
terms using N f= 2 dynamical nonperturbatively improved clover fermions with a range of …

Parallelizing the QUDA library for multi-GPU calculations in lattice quantum chromodynamics

R Babich, MA Clark, B Joó - SC'10: Proceedings of the 2010 …, 2010 - ieeexplore.ieee.org
Graphics Processing Units (GPUs) are having a transformational effect on numerical lattice
quantum chromo-dynamics (LQCD) calculations of importance in nuclear and particle …

Lattice simulations with improved Wilson fermions at a fixed strange quark mass

GS Bali, EE Scholz, J Simeth, W Söldner… - Physical Review D, 2016 - APS
The explicit breaking of chiral symmetry of the Wilson fermion action results in additive quark
mass renormalization. Moreover, flavor singlet and nonsinglet scalar currents acquire …

[HTML][HTML] Solving the PCAC puzzle for nucleon axial and pseudoscalar form factors

GS Bali, S Collins, M Gruber, A Schäfer, P Wein… - Physics Letters B, 2019 - Elsevier
It has been observed in multiple lattice determinations of isovector axial and pseudoscalar
nucleon form factors, that, despite the fact that the partial conservation of the axialvector …

High resolution numerical study of Rayleigh–Taylor turbulence using a thermal lattice Boltzmann scheme

L Biferale, F Mantovani, M Sbragaglia, A Scagliarini… - Physics of …, 2010 - pubs.aip.org
We present the results of a high resolution numerical study of two-dimensional (2D)
Rayleigh–Taylor turbulence using a recently proposed thermal lattice Boltzmann method …

Memcapacitive reservoir computing

SJD Tran, C Teuscher - 2017 IEEE/ACM International …, 2017 - ieeexplore.ieee.org
Memristors have successfully been used to build efficient reservoir computers. The power
consumption of memristive reservoirs, however, is bounded by the resistive nature of such …

Lattice Boltzmann fluid-dynamics on the QPACE supercomputer

L Biferale, F Mantovani, M Pivanti, M Sbragaglia… - Procedia Computer …, 2010 - Elsevier
In this paper we present an implementation for the QPACE supercomputer of a Lattice
Boltzmann model of a fluid-dynamics flow in 2 dimensions. QPACE is a massively parallel …

Lattice-CSC: Optimizing and building an efficient supercomputer for Lattice-QCD and to achieve first place in Green500

D Rohr, M Bach, G Nešković, V Lindenstruth… - … Conference, ISC High …, 2015 - Springer
In the last decades, supercomputers have become a necessity in science and industry.
Huge data centers consume enormous amounts of electricity and we are at a point where …