spacing tweak on detailed balance equation

1 files changed, 1 insertions, 1 deletions

diff --git a/monte-carlo.tex b/monte-carlo.tex
index 2bc29ee..a3e18a4 100644
--- a/monte-carlo.tex
+++ b/monte-carlo.tex
@@ -231,7 +231,7 @@ C\subset E$ is related to the probability of the reverse process $P(\set{s'}\to\
     &=\frac{f_{m_0}(r\mid\set s)}{f_{m_0}(r^{-1}\mid\set s)}\prod_{\{i,j\}\in
   C}\frac{p_r(s_i,s_j)}{p_{r^{-1}}(s_i',s_j')}\prod_{\{i,j\}\in\partial
   C}\frac{1-p_r(s_i,s_j)}{1-p_{r^{-1}}(s'_i,s'_j)}
-  =\prod_{\{i,j\}\in\partial
+  =\!\!\!\!\prod_{\{i,j\}\in\partial
   C}e^{\beta(\J(s_i',s_j')-\J(s_i,s_j))}
   =\frac{e^{-\beta\H(\set{s'})}}{e^{-\beta\H(\set s)}},
 \end{aligned}