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What is super fluid state?

Updated: 8/19/2019
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13y ago

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Superfluidity is a state of matter. When some gases are cooled to near 0 degrees Kelvin, they become superfluid. In this state they have zero viscosity because the viscosity of gases increases with temperature. They have zero entropy because they have infinite thermal conductivity and there is no thermal transfer from high temperature regions to low temperature regions.

Viscosity is the resistance of a fluid to flow, honey has a higher viscosity than water.

Entropy states that thermal energy travels from hot to cold.

Infinite thermal conductivity means there cannot be a difference in temperature in the superfluid because any change is instantaneous throughout the entire sample.

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13y ago
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Q: What is super fluid state?
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