superconductors

Essay specific features

 

Issue:

Science

 

Written by:

Ronald T

 

Date added:

March 28, 2012

 

Level:

 

Grade:

A

 

No of pages / words:

3 / 683

 

Was viewed:

7864 times

 

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Essay content:

It proposes that electrons with opposite spin can become paired (Cooper pairs). In many superconductors, the attractive interaction between electrons, which is necessary for pairing is brought about indirectly by the interaction between the electrons and the vibrating crystal lattice. The resistance of a superconductor drops to zero when the material is cooled below its critical temperature and they repel a magnetic field, which causes magnets to levitate above a superconductor surface (Meissner effect)...
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It proposes that electrons with opposite spin can become paired (Cooper pairs). In many superconductors, the attractive interaction between electrons, which is necessary for pairing is brought about indirectly by the interaction between the electrons and the vibrating crystal lattice. The resistance of a superconductor drops to zero when the material is cooled below its critical temperature and they repel a magnetic field, which causes magnets to levitate above a superconductor surface (Meissner effect)...
displayed 300 characters

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