Atomic physics

What are Atom Traps?

Atoms that are cooled below a millikelvin can also be held in space with either static magnetic fields, laser fields,…

1 year ago

The Principle & Application of Nuclear Magnetic Resonance (NMR)

Nuclear magnetic moments (along with electronic magnetic moments) precess (spin) when placed in an external magnetic field, B. The frequency…

1 year ago

Spin Quantum Number

This property of atomic electrons was discovered through experimentation. The close observation of spectral lines revealed that each line was…

1 year ago

Bohr’s Correspondence Principle

Bohr’s correspondence principle states that predictions of quantum theory must correspond to the predictions of classical physics in the region…

1 year ago

Magnetic Quantum Number

The magnetic quantum number for an electron classifies which orientation its subshell shape is pointed. The “lobes” for subshells point…

1 year ago

The Exclusion Principle

The exclusion principle states that no two electrons in an atom can have the same set of quantum numbers i.e.…

1 year ago

Angular Momentum Quantum Number

A shell is made up of subshells. Subshells are regions of space where electron “clouds” are allowed to exist, and…

1 year ago

Principal Quantum Number

Symbolized by the letter n, this number describes the shell that an electron resides in. An electron “shell” is a…

1 year ago

Yukawa Meson Theory of Nuclear Forces

In 1935 Yukawa proposed in his paper that there exist a meson field, that is, a field that is different…

1 year ago

Hadrons vs. Leptons

Generally all particles other than field particles can be classified into two broad categories: Hadrons Leptons Hadrons Particles that interact…

1 year ago