TY - JOUR PB - American Physical Society ID - 10.1103/Physics.2.92 TI - Can superconducting rings provide clues to the early development of the universe? JF - Physics JA - Physics J1 - PHYSICS VL - 2 IS - SP - 92 EP - PY - 2009/11/02/ UR - http://link.aps.org/doi/10.1103/Physics.2.92 A1 - Kirtley, John R. AU - Tafuri, Francesco ER -