Symbol Δ t
Δ t is part of the quantity the equation computes from the expression on the right.
Read this term in its guide →Published equation contexts
Why this formula appears here
E 0 ′ (the amount of energy it would cost a distant experimenter, at infinity, to deliver that same physical resource down to radius r ), and integrate over the corresponding coordinate interval t = / :
Read the representative guide
Symbol Δτ
Δτ is an input to the expression that computes the quantity on the left.
Read this term in its guide →Symbol f
f is an input to the expression that computes the quantity on the left.
Read this term in its guide →How to interpret it
Read it with the definitions, units, and assumptions supplied by the article.
Published contexts (1)
A symbol can carry a different meaning in another article. Each occurrence keeps its own guide and term definitions.
Equation 51 · Evolutionary Physics
A Horizon Is a Toll Booth, Not a Loophole
This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.
E 0 ′ (the amount of energy it would cost a distant experimenter, at infinity, to deliver that same physical resource down to radius r ), and integrate over the corresponding coordinate interval t = / :
Equation guide → · Article →