Subject
quantum chemistry
3
particle
2
quantum mechanics
2
Fermi gas
1
Heisenberg model
1
absorption
1
annihilation
1
approximation
1
approximation theory
1
atom
1
boson
1
correlation theory
1
electrodynamics
1
electromagnetic radiation
1
electron
1
electron density
1
electron gas
1
field equation
1
harmonic oscillator
1
helium
1
hydrogen
1
interaction
1
invariance
1
linear operator
1
many body problem
1
mathematics
1
operator
1
pairing interaction
1
perturbation theory
1
photon
1
photon emission
1
photon scattering
1
potential
1
quantum electrodynamics
1
quantum theory
1
rotation
1
spin
1
uncertainty
1
wave
1