24 citations · 65 across the 17 of their papers we have counts for
15 papers · 1 filter
Schrödinger and Planck oscillators: not quite the same physics
Enrique N. Miranda
In the statistical mechanics of quantum harmonic oscillators, the zero-point energy can either be included (Schrödinger oscillators) or omitted (Planck oscillators). For the usual…
The Einstein nanocrystal
D. S. Bertoldi, A. Fernández Guillermet, E. N. Miranda
We study the simplest possible model of nanocrystal consisting in a simple cubic lattice with a small number of atoms (NA ~ 10-10^3), where each atom is linked to its nearest neigh…
Thermostatistics of small systems: Exact results in the microcanonical formalism
E. N. Miranda, Dalia S. Bertoldi
Several approximations are made to study the microcanonical formalism that are valid in the thermodynamics limit. Usually it is assumed that: 1)Stirling approximation can be used t…
Entropy production by simple electrical circuits
E. N. Miranda, S. Nikolskaia
The entropy production by simple electrical circuits (R, RC, RL) is analyzed. It comes out that the entropy production is minimal, in agreement with a well known theorem due to Pri…
What fuel for a rocket?
E. N. Miranda
Elementary concepts from general physics and thermodynamics have been used to analyze rocket propulsion. Making some reasonable assumptions, an expression for the exit velocity of…
Levitation in an "almost" electrostatic field
E. N. Miranda
It is well known that a charged particle cannot be in stable equilibrium in a purely electrostatic field. The situation is different in a magnetostatic field; consequently, magneti…