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How to identify zero modes for improved staggered fermions

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 نشر من قبل Weonjong Lee
 تاريخ النشر 2017
  مجال البحث
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We present results of the eigenvalue spectrum for the staggered Dirac operator obtained using a modified Lanczos algorithm. We identify zero modes and non-zero modes. We derive the chiral Ward identity derived from the conserved $U(1)_A$ symmetry, and check it numerically. This is the first step toward construction of an improved method to identify zero modes reliably with staggered fermions.



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