Paper 1 (source code)

= Paper 1
{scope}
{title2=Superconductivity and Quantum Coherence}
{title2=Paper 2/SQC}

Original public paper: https://www.whatdotheyknow.com/request/natural_science_tripos_physics_e_2/response/2340776/attach/2/FOI%202023%20399%20Zahid%20materials.pdf?cookie_passthrough=1#page=687[Physical PDF pages 687–688]. All five optional notes and both longer questions are covered. The density plot uses the prescribed fixed-coupling model, with its low-density limitations stated.