Appendix B — Notation

Every symbol keeps the same meaning across the whole book.

Symbol	Meaning	Unit
\(k_B\)	Boltzmann constant	\(\mathrm{J\,K^{-1}}\)
\(T\)	Thermodynamic temperature	\(\mathrm{K}\)
\(S\)	Entropy	\(\mathrm{J\,K^{-1}}\)
\(E\)	Energy	\(\mathrm{J}\)
\(\hbar\)	Reduced Planck constant, \(h / 2\pi\)	\(\mathrm{J\,s}\)
\(c\)	Speed of light in vacuum	\(\mathrm{m\,s^{-1}}\)