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← ScienceWhich mechanism disrupts the superconducting state above Hc2?
A)Orbital pair-breaking reduces kinetic inductance✓
B)Phonon bottleneck limits Cooper pairing
C)Spin fluctuation enhances flux pinning
D)Charge density wave stabilizes coherence
💡 Explanation
Above Hc2, the *orbital pair-breaking* effect becomes significant because strong magnetic fields cause depairing of Cooper pairs through increased orbital momentum; therefore superconductivity vanishes, rather than charge order as other models suggest.
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