# How to identify zero modes for improved staggered fermions

Jeong H, Jwa S, Kim J, Kim S, Lee S, Lee W, Pak J (2017)
In: 35th International Symposium on Lattice Field Theory (Lattice 2017).

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Abstract
We present results of the eigenvalue spectrum for the staggered Dir\"ac 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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Conference
35th International Symposium on Lattice Field Theory (Lattice 2017)
Location
Granada, Spain
Conference Date
2017-06-18 – 2017-06-24
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Jeong H, Jwa S, Kim J, et al. How to identify zero modes for improved staggered fermions. In: 35th International Symposium on Lattice Field Theory (Lattice 2017). 2017.
Jeong, H., Jwa, S., Kim, J., Kim, S., Lee, S., Lee, W., & Pak, J. (2017). How to identify zero modes for improved staggered fermions. 35th International Symposium on Lattice Field Theory (Lattice 2017)
Jeong, H., Jwa, S., Kim, J., Kim, S., Lee, S., Lee, W., and Pak, J. (2017). “How to identify zero modes for improved staggered fermions” in 35th International Symposium on Lattice Field Theory (Lattice 2017).
Jeong, H., et al., 2017. How to identify zero modes for improved staggered fermions. In 35th International Symposium on Lattice Field Theory (Lattice 2017).
H. Jeong, et al., “How to identify zero modes for improved staggered fermions”, 35th International Symposium on Lattice Field Theory (Lattice 2017), 2017.
Jeong, H., Jwa, S., Kim, J., Kim, S., Lee, S., Lee, W., Pak, J.: How to identify zero modes for improved staggered fermions. 35th International Symposium on Lattice Field Theory (Lattice 2017). (2017).
Jeong, Hwancheol, Jwa, Seungyeob, Kim, Jangho, Kim, Sunghee, Lee, Sunkyu, Lee, Weonjong, and Pak, Jeonghwan. “How to identify zero modes for improved staggered fermions”. 35th International Symposium on Lattice Field Theory (Lattice 2017). 2017.
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