Why some metals have 0 resistance at 0 kelvin

AI Thread Summary
Some metals exhibit zero electrical resistance at absolute zero (0 K) due to the phenomenon of superconductivity, which can occur at temperatures above 0 K, including high-temperature superconductors that transition above 100 K. The discussion clarifies that zero resistance alone does not define superconductivity, as other criteria like the Meissner effect are also essential. Participants seek a deeper understanding of the mechanisms behind this behavior in metals. The conversation emphasizes the need for clarification on whether the inquiry pertains to superconductivity or the theoretical aspects of resistance at absolute zero. Understanding these concepts is crucial for grasping the broader implications of superconductivity in materials science.
nipiano93
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Hey someone please explain why some metals have 0 resistance at 0 kelvin (absolute zero).
Please explain the complete mechanism properly.
 
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nipiano93 said:
Hey someone please explain why some metals have 0 resistance at 0 kelvin (absolute zero).
Please explain the complete mechanism properly.

Er... what you are describing is NOT superconductivity. Superconductivity doesn't have to occur only at 0 K. That's the whole point of this phenomenon. High Tc superconductors have a transition temperature often above 100 K!

Based on your question, I'm not sure if you're asking about the phenomenon of superconductivity, or if you want to know why metals are projected to have zero resistance at 0K. The latter isn't a superconductor because zero resistance isn't the only criteria for superconductivity (Meissner effect, etc.)

So please provide further clarification.

Zz.
 
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