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Gradient Flow for the Jet Transport Coefficient: A Quenched Lattice Benchmark
Hai-Tao Shu, Cheng Zhang
We apply the gradient-flow framework to determine the nonperturbative medium contribution to the jet transport coefficient using quenched lattice QCD in the temperature ra…
Lattice KP type equations arising from eigenfunctions and Dbar problem
Leilei Shi, Peter van der Kamp, Cheng Zhang +1
In this paper, we construct the lattice Kadomtsev-Petviashvili (KP) type eigenfunction equations. A homogeneous nonlocal problem is considered, from which we are a…
-invariant integrable systems from factorisation of linear differential and difference operators
Frank Nijhoff, Linyu Peng, Cheng Zhang +1
In this paper, we present a unified approach to constructing continuous and discrete -invariant integrable systems, formulated in terms of the common dependent var…
On consistency around a cube and Q3 analogue of the lattice Boussinesq equation
Pengyu Sun, Cheng Zhang, Frank Nijhoff
In this paper, we present two new aspects of lattice Boussinesq (BSQ) equations. First, we show that the lattice potential BSQ (lpBSQ) equation defined on a nine-point square latti…
Shear and bulk viscosities of the gluon plasma across the transition temperature from lattice QCD
Heng-Tong Ding, Hai-Tao Shu, Cheng Zhang
We investigate the temperature dependence of the shear viscosity () and bulk viscosity () of the gluon plasma using lattice QCD over the range 0.76--2.25, extending fr…