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mathieu.json

@@ -160,5 +160,11 @@
         "query":"Concerning electrolyte solutions, what assumption makes the primitive model  (PM) regarding ions?",
         "target_page":1,
         "target_passage":"simple phenomenological models such as the primitive model (PM), for which the ions are assimi- lated to charged hard spheres"
+    },
+    {
+        "source_file":"1010.2692.pdf",
+        "query":"What is the principle of the liquid perturbation theory (LPT) ?",
+        "target_page":2,
+        "target_passage":"The principle of LPT is to describe the properties of a given system in terms of those of a well known reference system, with the differ- ence between them treated as a perturbation in the ref- erence potential"
     }
 ]