Equation 5 · Part 1 · From Origins to Frontier: A History of Stochastic Thermodynamics and Complex Systems
Symbol k_B
What this part means
is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol k_B→Article meaning
The passage around this formula
…principle, was that logically irreversible operations — operations that map two or more distinct input states onto the same output state, of which erasing a bit of memory is the paradigm case — must dissipate at least T 2 of heat into the environment per bit erased, regardless of how the erasure is physically implemented. Logically reversible operations, by contrast, carry no such lower bound.
Learn the underlying idea
A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.
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Sources cited in the surrounding passage
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