Before revision: Hamiltonian If the Josephson Junction has a junction capacitance , and the gate capacitor , then the charging (Coulomb) energy of one Cooper-pair is: If denotes the number of excess Cooper-pairs in the island (i.e.
After revision: Hamiltonian If the Josephson junction has a junction capacitance , and the gate capacitor , then the charging (Coulomb) energy of one Cooper pair is: If denotes the number of excess Cooper pairs in the island (i.e.