activity
20062021
most citedPower and group velocity

1 citations · 1 across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.mtrl-sci2021

Topological invariants of electronic currents in magnetic fields

S. Selenu

In this article it is reported a formulation of the solenoidal nature of quantum electronic currents at the nanoscale whose divergence is expressed as the coupling of a magnetic fi…

cond-mat.mtrl-sci2020

Quantum body in uniform magnetic fields

S. Selenu

In this article it will be presented the first attempt made in order to perform gauge invariant calculations of eigenstates of a quantum body in its condensed phase, the latter rea…

cond-mat.other2010

Variations of polarisation in cerystals

Simone Selenu

It is nowadays a quite diffuse idea that variations of electronic polarisation, as introduced by Resta[1], in condensed matter theory are related to a "Berry phase"[2], as shown by…

cond-mat.mtrl-sci2009

Variations of polarisation in external electrostatic fields

Simone Selenu

It is nowadays a quite diffuse idea that variations of polarisation in condensed matter theory are related to a "Berry phase". The derivation of the latter geometric phase is corre…

cond-mat.mtrl-sci2008

Geometric phase in external electromagnetic fields

Simone Selenu

Variations of polarization of the electronic field is a dielectric property quantified by Resta et al. and discovered to be a Berry phase of the electronic subsystem. In order to c…

cond-mat.mtrl-sci2006

Conserved geometric phase and group velocity

Simone Selenu

In this paper we make use of the concept of conserved geometric phase and of group velocity,in conjunction with the representation theory\cite{Dirac,Dirac-letture}, in order to der…