From 5baa6aaf74fa33d1f6dbb285af04d73683ad8183 Mon Sep 17 00:00:00 2001
From: Anthony Scemama <scemama@irsamc.ups-tlse.fr>
Date: Thu, 4 Feb 2021 17:26:30 +0100
Subject: [PATCH] Fixed tau_max

---
 QMC.org | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/QMC.org b/QMC.org
index 6562ae7..097b81d 100644
--- a/QMC.org
+++ b/QMC.org
@@ -2412,7 +2412,7 @@ gfortran hydrogen.f90 qmc_stats.f90 vmc_metropolis.f90 -o vmc_metropolis
       E_L(\mathbf{r}_n)$,
       and the weight $W(\mathbf{r}_n)$ for the normalization
    5) Update $\tau_n = \tau_{n-1} + \delta t$
-   6) If $\tau_{n} > \tau_\text{max}$, the long projection time has
+   6) If $\tau_{n} > \tau_\text{max}$ ($\tau_\text{max}$ is an input parameter), the long projection time has
       been reached and we can start an new trajectory from the current
       position: reset $W(r_n) = 1$ and $\tau_n
       = 0$
@@ -2457,7 +2457,7 @@ gfortran hydrogen.f90 qmc_stats.f90 vmc_metropolis.f90 -o vmc_metropolis
      In the limit $\delta t \rightarrow 0$, you should recover the exact
      energy of H for any value of $a$, as long as the simulation is stable. 
      We choose here a time step of 0.05 a.u. and a fixed projection
-     time $\tau$ =100 a.u. 
+     time $\tau_{\text{max}}$ =100 a.u. 
      #+end_exercise
    
     *Python*
@@ -2768,7 +2768,7 @@ gfortran hydrogen.f90 qmc_stats.f90 pdmc.f90 -o pdmc
   And compute the ground state energy.
   
       
-   
+  
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