Create entanglement_swapping.py

nexus-infinity/qen_utils/entanglement_swapping.py

@@ -0,0 +1,40 @@
+from qen import QuantumEntanglementNetwork
+from qen_models.node import Node
+
+class EntanglementSwapping:
+    def __init__(self, qen):
+        self.qen = qen
+
+    def swap_entanglement(self, node1, node2, node3):
+        # Simulate entanglement swapping between three nodes
+        if node1 in node2.entangled_nodes and node2 in node3.entangled_nodes:
+            node1.entangled_nodes.append(node3)
+            node3.entangled_nodes.append(node1)
+            return True
+        else:
+            raise ValueError("Nodes are not entangled")
+
+    def extend_entanglement(self, node1, node2, node3):
+        # Simulate extending entanglement between three nodes
+        if node1 in node2.entangled_nodes:
+            self.qen.entangle_nodes(node2, node3)
+            return True
+        else:
+            raise ValueError("Nodes are not entangled")
+
+# Example usage:
+qen = QuantumEntanglementNetwork()
+node1 = Node("Node 1")
+node2 = Node("Node 2")
+node3 = Node("Node 3")
+qen.add_node(node1)
+qen.add_node(node2)
+qen.add_node(node3)
+edge1 = Edge(node1, node2)
+edge2 = Edge(node2, node3)
+qen.add_edge(edge1)
+qen.add_edge(edge2)
+qen.entangle_nodes(node1, node2)
+es = EntanglementSwapping(qen)
+es.swap_entanglement(node1, node2, node3)
+print("Entanglement swapped between Node 1 and Node 3")