home.md

@@ -21,3 +21,19 @@ Below is a decription of the variables that appear in secion 1 of the script 'ru
 10. n is the number of samples desired per millisecond. Total number of samples is m= int(n*(tf-ti)) +1. 
 11. alpha = <a href="https://www.codecogs.com/eqnedit.php?latex=\alpha" target="_blank"><img src="https://latex.codecogs.com/gif.latex?\alpha" title="\alpha" /></a> in the Hamiltonian above.
 
+
+
+<h1>Section 2: System size and initial state</h1>
+The variables that appear in this section are described below.
+
+1.  L_apx = number of lattice sites. 
+2.  doublon_fraction = Fraction of atoms bound in doublons. 
+3.  hole_fraction = Fraction of even sites that are empty. 
+
+
+<h1>Section 3:  Approximation parameters</h1>
+The variables that appear in this section are described below.
+
+1.  ell = ell in the approximate method.
+2.  k_up = k_up in the approximate method. 
+3.  k_dn = k_dn in the approximate method.