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3
votes
1answer
66 views

BCS theory for neutral fermions

As I understand it, Cooper pairs form between two fermions and are the cause of superconductivity. I was told by a teacher that the formation of Cooper pairs and BCS theory requires both fermions to ...
1
vote
2answers
262 views

Fermi Point - What is it?

I'm trying to learn more about the idea of the quantum vacuum being a superfluid and how that can unify physics, but after all the reading I've done I can't quite nail down a conceptual understanding ...
9
votes
1answer
2k views

BCS-BEC crossover

It would be really helpful if somebody could describe what does one mean by a BEC-BCS Crossover. I was going through articles available on the topic, but I was unable to grasp the gist of the topic.
3
votes
4answers
4k views

What is the Difference between a Lepton and a Fermion?

As the Title Says: I am Wondering what the Difference between a Lepton and A Fermion is. I know they both have an ½ integer spin number e.g. a electron, an atom with an odd mass number such as Helium-...