Prefer a chat interface with context about you and your work?
Full-Gap Superconductivity Robust against Disorder in Heavy-Fermion <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>CeCu</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>Si</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>
Magnetic penetration depth measurements show that the superconducting gap in this iconic heavy-fermion superconductor is robust against the introduction of disorder, ruling out some superconductivity mechanisms as explanations.