From 8bc4ab04fdd13b8a91a0a02aacfdf5310088e6fa Mon Sep 17 00:00:00 2001
From: imppresser <503731351@qq.com>
Date: Wed, 8 Dec 2021 17:23:10 +0800
Subject: [PATCH] Update trotter.py
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1维海森堡哈密顿量构建，周期性边界的相互作用系数由1更改为interaction_strength[interaction_idx]
---
 paddle_quantum/trotter.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/paddle_quantum/trotter.py b/paddle_quantum/trotter.py
index 2220d78..39bb51d 100644
--- a/paddle_quantum/trotter.py
+++ b/paddle_quantum/trotter.py
@@ -588,13 +588,14 @@ def get_1d_heisenberg_hamiltonian(
     # add interactions on (0, n) for closed periodic boundary condition
     if periodic_boundary_condition:
         boundary_sites = [0, length - 1]
-        for interaction in interactions:
+        for interaction_idx in range(len(interactions)):
             term_str = ''
+            interaction = interactions[interaction_idx]
             for idx_word in range(len(interaction)):
                 term_str += interaction[idx_word] + str(boundary_sites[idx_word])
                 if idx_word != len(interaction) - 1:
                     term_str += ', '
-            pauli_str.append([1, term_str])
+            pauli_str.append([interaction_strength[interaction_idx], term_str])
 
     # add magnetic field, if h_z is a single value, then add a uniform field on each site
     if isinstance(h_z, np.ndarray) or isinstance(h_z, list) or isinstance(h_z, tuple):