4 papers
Una dimostrazione diretta della legge di probabilità di Poisson (A direct proof of the Poisson probability law)
Pier Franco Nali
The purpose of this paper is to prove directly, by an elementary method, the Poisson probability law. This proof is offered as an alternative to the more usual derivation from bino…
La leggenda del quanto centenario
A. M. Aloisi, P. F. Nali
Around year 2000 the centenary of Planck's thermal radiation formula awakened interest in the origins of quantum theory, traditionally traced back to the Planck's conference on 14…
La scala dell'energia
A. M. Aloisi, P. F. Nali
In this article, halfway between popularized exposition and historical account, some key moments in the development of atomic theory in its beginnings are discussed. In particular,…
Dirac e il monopolo magnetico
A. M. Aloisi, P. F. Nali
In 1931, Dirac advanced a startling prediction about the existence of a new elementary particle, characterized by a magnetic charge of a single polarity: the magnetic monopole. Thi…