Louis de Broglie is most prominently known for his doctoral thesis from 1924 in which he introduced the notion of material waves.

Building a theory of quantum gravity remains a significant challenge, primarily due to the lack of experimental evidence.

We examine the mixture equivalence principle (MEP), which states that proper and improper mixed states with the same density matrix…

In a very general setting, entropy quantifies the amount of information about a system that an observer has access to. However, in…

At the dawn of general relativity's golden age in the 1950s, Irish mathematician and physicist John Synge proposed to reduce spatial…