Symbol Δ E_Lambda
Δ ambda 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
an exact operator identity, not an approximation valid in some limit: the ledger for a system-only description of a system-plus-bath is precisely the bath’s own energy plus the coupling energy between the two, nothing more and nothing less. = [] for any joint state .
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Symbol ρ
ρ is an argument of the function-like quantity on the left; its role is set by that function’s stated inputs.
Read this term in its guide →Symbol I_S
is one of the signed contributions combined to compute the quantity on the left.
Read this term in its guide →Symbol H_B
is one of the signed contributions combined to compute the quantity on the left.
Read this term in its guide →Symbol H_SB
B is one of the signed contributions combined to compute 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.
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Published contexts (1)
A symbol can carry a different meaning in another article. Each occurrence keeps its own guide and term definitions.
Equation 62 · Evolutionary Physics
The Entry a Relabeling Cannot Write
This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.
an exact operator identity, not an approximation valid in some limit: the ledger for a system-only description of a system-plus-bath is precisely the bath’s own energy plus the coupling energy between the two, nothing more and nothing less. = [] for any joint state .
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