Sphaleron rate from Euclidean lattice correlators: an exploration

Altenkort L, Eller AM, Kaczmarek O, Mazur L, Moore GD, Shu H-T (2021)
Physical Review D 103(11): 114513.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
We show how the sphaleron rate (the Minkowski rate for topological charge diffusion) can be determined by analytical continuation of the Euclidean topological-charge-density two-point function, which we investigate on the lattice, using gradient flow to reduce noise and provide improved operators which more accurately measure topology. We measure the correlators on large, fine lattices in the quenched approximation at 1.5T(c) with high precision. Based on these data we first perform a continuum extrapolation at fixed physical flow time and then extrapolate the continuum estimates to zero flow time. The extrapolated correlators are then used to study the sphaleron rate by spectral reconstruction based on perturbatively motivated models.
Erscheinungsjahr
2021
Zeitschriftentitel
Physical Review D
Band
103
Ausgabe
11
Art.-Nr.
114513
ISSN
2470-0010
eISSN
2470-0029
Page URI
https://pub.uni-bielefeld.de/record/2950078

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Altenkort L, Eller AM, Kaczmarek O, Mazur L, Moore GD, Shu H-T. Sphaleron rate from Euclidean lattice correlators: an exploration. Physical Review D. 2021;103(11): 114513.
Altenkort, L., Eller, A. M., Kaczmarek, O., Mazur, L., Moore, G. D., & Shu, H. - T. (2021). Sphaleron rate from Euclidean lattice correlators: an exploration. Physical Review D, 103(11), 114513. https://doi.org/10.1103/PhysRevD.103.114513
Altenkort, L., Eller, A. M., Kaczmarek, O., Mazur, L., Moore, G. D., and Shu, H. - T. (2021). Sphaleron rate from Euclidean lattice correlators: an exploration. Physical Review D 103:114513.
Altenkort, L., et al., 2021. Sphaleron rate from Euclidean lattice correlators: an exploration. Physical Review D, 103(11): 114513.
L. Altenkort, et al., “Sphaleron rate from Euclidean lattice correlators: an exploration”, Physical Review D, vol. 103, 2021, : 114513.
Altenkort, L., Eller, A.M., Kaczmarek, O., Mazur, L., Moore, G.D., Shu, H.-T.: Sphaleron rate from Euclidean lattice correlators: an exploration. Physical Review D. 103, : 114513 (2021).
Altenkort, Luis, Eller, Alexander M., Kaczmarek, Olaf, Mazur, Lukas, Moore, Guy D., and Shu, Hai-Tao. “Sphaleron rate from Euclidean lattice correlators: an exploration”. Physical Review D 103.11 (2021): 114513.

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arXiv: 2012.08279

Inspire: 1836643

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