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where R is the radius of a n-dimensional sphere at time t. The radiation is represented by a (n+1)-dimensional CFT. The entropy of that CFT is then given by the formula = (), where E c is the Casimir effect, and E the total energy. The above reduced formula gives the maximal entropy
The three-state Potts CFT, also known as the parafermion CFT, is a conformal field theory in two dimensions. It is a minimal model with central charge c = 4 / 5 {\displaystyle c=4/5} . It is considered to be the simplest minimal model with a non-diagonal partition function in Virasoro characters , as well as the simplest non-trivial CFT with ...
The cubic foot (symbol ft 3 or cu ft) [1] is an imperial and US customary (non-metric) unit of volume, used in the United States and the United Kingdom.It is defined as the volume of a cube with sides of one foot (0.3048 m) in length, or exactly 28.316 846 592 L, which is very close to 1 / 35 of a cubic metre).
A cord is the amount of wood that, when "racked and well stowed" (arranged so pieces are aligned, parallel, touching, and compact), occupies a volume of 128 cubic feet (3.62 m 3). [1] This corresponds to a well-stacked woodpile 4 feet (122 cm) high, 8 feet (244 cm) wide, and 4 feet (122 cm) deep; or any other arrangement of linear measurements ...
In theoretical physics, a rational conformal field theory [1] is a special type of two-dimensional conformal field theory with a finite number of conformal primaries.In these theories, all dimensions (and the central charge) are rational numbers that can be computed from the consistency conditions of conformal field theory.
The S.I. unit for the mold constant B is seconds per metre squared (s/m 2). [4] According to Askeland, the constant n is usually 2, however Degarmo claims it is between 1.5 and 2.
A simplified version of the definition is: The k v factor of a valve indicates "The water flow in m 3 /h, at a pressure drop across the valve of 1 kgf/cm 2 when the valve is completely open. The complete definition also says that the flow medium must have a density of 1000 kg/m 3 and a kinematic viscosity of 10 −6 m 2 /s , e.g. water.
Example: How many standard cubic feet are in 1 cubic foot of gas at 80 °F and gauge pressure 50 psi? (assuming that there is 13.6 psi atmospheric pressure and ignoring super compressibility) V s = 1 cu ft × [(13.6 psi + 50 psi) / 14.73 psi] × [(60 °F + 459.67 °F) / (80 °F + 459.67 °F)]