Non-Abelian strings and confinement

Which of the following interactions is the weakest?

• Strong

• Weak

• Gravity

• Electromagnetic

Which of the following interactions is the strongest?

• Strong

• Weak

• Electromagnetic

• Gravity

How many quarks make up baryons?

• 1

• 2

• 3

• 4

How many quarks make up mesons?

• 5

• 3

• 2

• 1

Quarks are...

• Bosons

• Fermions

How does the phenomenological potential V(r) describing confinement behave
at LARGE characteristic distances r? (V(r) is proportional to...)

• const

• 1/r

• ln(r)

• r

How does the phenomenological potential V(r) describing confinement behave
at SHORT characteristic distances r? (V(r) is proportional to...)

• 1/r

• const

• ln(r)

• r

Under what conditions do Abrikosov vortices appear in a superconductor?

• Superconductor is hot

• Superconductor is of the II type

• Superconductor is of the I type

• Magnetic field is strong

What distinguishes a non-Abelian string from an Abelian one?

• presence of translation moduli

• presence of orientation moduli

• presence of size moduli

What is the dimension of the world surface of a non-Abelian string in 4-dimensional QCD?

• 2

• 3

• 4

• 10