OurBigBook.comSite Source code

Weak energy condition

The weak energy condition requires

T_{μν} X^{μ} X^{ν} \geq 0

for every timelike vector

X

, so every observer measures nonnegative energy density.

Table of contents 54 1
- Weak energy condition for a quadratic scalar stress-energy ansatz Weak energy condition 34

 Ancestors (5)