Contents

supersymmetry

# Contents

## Idea

In physics, the Pauli exclusion principle (Pauli 25) states that no two spinors may inhabit the same quantum state. This is a consequence of the spin-statistics theorem, which states that spinors must be fermions.

Mathematically this is the statement that fermion fields are the odd-graded elements of a superalgebra of functions in supergeometry.

The Pauli exclusion principle implies that fermions, as opposed to bosons, may form solid bodies that do not necessarily collapse under their own gravity (as opposed to bosonic condensates): the exclusion principle induces an outward pressure?, the degeneracy pressure (see also at Fermi sea? and neutron star). It is used in the explanation of the stability of matter of the second kind.

## References

### General

• Wolfgang Pauli, Über den Zusammenhang des Abschlusses der Elektronengruppen im Atom mit der Komplexstruktur der Spektren, Zeitschrift für Physik, February 1925, Volume 31, Issue 1, pp 765-783

• Wikipedia, Pauli exclusion principle

### Relation to s-rule for D-brane intersections

An interpretation of the s-rule for D-brane intersections with NS5-branes (Dp-D(p+2) brane intersections and Dp-D(p+4) brane intersections) as a version of the Pauli exclusion principle is discussed in:

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