An Account of Thermodynamic Entropy


Alberto Gianinetti

DOI: 10.2174/97816810839331170101
eISBN: 978-1-68108-393-3, 2017
ISBN: 978-1-68108-394-0

Indexed in: EBSCO.

The second law of thermodynamics is an example of the fundamental laws that govern our universe and is relevant to every branch of sci...[view complete introduction]
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- Pp. 149-151 (3)

Alberto Gianinetti


Entropy quantification can be performed under the assumption that both the position of a particle in space and its level of energy can be defined as corresponding to one among many enumerable states, even if their number is hugely high. This means that, if absolute values of entropy have to be computed, neither energy nor space should be continuous variables, even though entropy changes can be calculated in any case. Remarkably, quantum theory just says that’s the case, because at a very short scale both energy and space seem to behave like discrete quantities rather than as continuous ones. So, a general string theory, which represents the evolution of quantum theory, appears to be the natural, preferable theoretical framework for the definition of entropy.

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