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- Colin Morningstar, David Lenkner, +5 authors K. Jimmy Juge
- 2015

A new method of stochastically estimating the low-lying effects of quark propagation is proposed which allows accurate determinations of temporal correlations of single-hadron and multihadron… (More)

- Michael Peardon, John Bulava, +7 authors K. Jimmy Juge
- 2009

A new quark-field smearing algorithm is defined which enables efficient calculations of a broad range of hadron correlation functions. The technique applies a low-rank operator to define smooth… (More)

- Huey-Wen Lin, Thomas Jefferson, +19 authors Sinéad M. Ryan
- 2009

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA Department of Physics,… (More)

- Chik Him Wong, John Bulava, +4 authors Bálint Joó
- 2016

Currently, the best way to extract the low-energy predictions of quantum chromodynamics (QCD) is by estimating the QCD path integrals using the Monte Carlo method formulated on a space-time lattice.… (More)

- Neal McBride, John Bulava
- ArXiv
- 2017

We introduce a Markov Chain Monte Carlo algorithm which samples from the space of spanning trees of complete graphs using local rewiring operations only. The probability distribution of graphs of… (More)

- John Bulava, Baryon Correlators
- 2008

The effectiveness of various dilution schemes in the evaluation of baryonic two-point functions is compared. The error of a representative set of observables as a function of the number of Dirac… (More)

- Colin Morningstar, John Bulava, Jennifer A Foley, K. Jimmy Juge, C. H. Wong
- XSEDE '12
- 2012

A new method for computing the mass spectrum of excited baryons and mesons from the temporal correlations of quantum-field operators in quantum chromodynamics is described. The correlations are… (More)

- Colin Morningstar, John Bulava, +5 authors Colin Morningstar
- 2016

Multi-hadron operators are crucial for reliably extracting the masses of excited states lying above multi-hadron thresholds in lattice QCD Monte Carlo calculations. The construction of multi-hadron… (More)

The energies of the excited states of the nucleon, Á, and are computed in lattice QCD, using two light quarks and one strange quark on anisotropic lattices. The calculation is performed at three… (More)

- John Bulava, Robert Edwards, +6 authors Stephen J. Wallace
- 2008

The determination of the pattern of hadronic resonances as predicted by Quantum Chromodynamics requires the use of non-perturbative techniques. Lattice QCD has emerged as the dominant tool for such… (More)