SVD low-rank approximation plus variance extrapolation removes bias from Krylov subspace ground-state extraction in lattice correlators.
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Lattice QCD at m_pi≈292 MeV finds virtual poles in the ^3S1 and ^1S0 NN channels with binding energies 6^{+5}_{-3} MeV and 11^{+6}_{-5} MeV, extracted via Lüscher and NPHF analyses.
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Unbiased Krylov subspace method for the extraction of ground state from lattice correlators
SVD low-rank approximation plus variance extrapolation removes bias from Krylov subspace ground-state extraction in lattice correlators.
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Two-nucleon systems at $m_{\pi}\approx292$ MeV from lattice QCD
Lattice QCD at m_pi≈292 MeV finds virtual poles in the ^3S1 and ^1S0 NN channels with binding energies 6^{+5}_{-3} MeV and 11^{+6}_{-5} MeV, extracted via Lüscher and NPHF analyses.