1. Quenched Superconductivity in Magnetars Monika Sinha Indian Institute of Technology Jodhpur Armen Sedrakian ITP, J. W. Goethe University, Frankfurt, Germany

2. Magnetar… a new class of neutron stars B s = 10 14 -10 15 G Interior field even greater Superconductivity inside magnetar Quenched?

3. Motivation… Type-II superconductivity London’s penetration depth Coherence length Type-II superconductivity exists if From virial theorem Quantum of flux

4. Inputs…

5. Results

6. Implications… cooling Neutrino emissivity Heat capacity Reheating Electrical conductivity Field decay Rotational dynamics glitch

7. Neutrino emissivity Direct Urca process Pair-breaking process Emissivity

8. dUrca emissivity

9. Pair-breaking emissivity

10. Summary and outlook