Copy Hamiltonian ground state before passing to adiabatic evolution

qiboteam · Apr 25, 2023 · 6a8abdf · 6a8abdf
1 parent 87ed54f
commit 6a8abdf
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/qibo/models/evolution.py b/src/qibo/models/evolution.py
@@ -236,7 +236,9 @@ def execute(self, final_time, start_time=0.0, initial_state=None):
             )
         self.hamiltonian.total_time = final_time - start_time
         if initial_state is None:
-            initial_state = self.hamiltonian.ground_state()
+            initial_state = self.backend.cast(
+                self.hamiltonian.ground_state(), copy=True
+            )
         return super().execute(final_time, start_time, initial_state)
 
     @staticmethod