Update roadmap

README.md

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 	1.1 Methods in fourier_mod.f90 have been validated by tests on Hasegawa Wakatani system
 
 	1.1 Qualitative test : find similar turbulences as Hasegawa Wakatani system with few moments
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+2. HeLaZ is now working with a non linear term and shows good qualitative turbulences
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+	2.1 Zonal flows are observed in a similar way to Ricci Rogers 2006 with GS2
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+	2.2 Linear analysis showed that a certain amount of PJ are recquired to trigger mode
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+		2.2.1 The \eta_B = 0.5 case is easier since it converged better in linear analysis than \eta_B = 1.0
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+		2.2.2 Collisionality helps
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+	2.3 Quantitative study with stationary average particle flux \Gamma_\infty
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+		2.3.1 Convergence study of \Gamma_\infty w.r.t. P and J
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+		2.3.2 Direct comparison with GS2 results of Ricci,Rogers 2006