Columbia subject headings:
Many-body problem--Approximation methods.
Nanostructures.
Particles (Nuclear physics)
Quantum theory.
Solid state physics.
Harvard subject headings:
Many-body problem--Approximation methods.
Many-body problem.
Particles (Nuclear physics)
Quantum theory.
Princeton subject headings:
Many-body problem.
Nanostructures.
Quantum liquids.
Solid state physics.