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Quantum Reports, Volume 5, Issue 1

March 2023 - 21 articles

Cover Story: In this work, we show the complexity measures (Cramér–Rao, Fisher–Shannon; LMC–Rényi) for the quantum states of the multi-dimensional hydrogenic system from first principles. Then, we apply them to the highly excited Rydberg states, which are promising elements used to store and manipulate quantum information due to their extraordinary properties (large dipole polarizability, long-range dipolar interactions, etc.). The hydrogenic system plays a fundamental role in multi-dimensional quantum physics, since it encompasses many three-dimensional hydrogenic atoms and low- and high-dimensional objects in condensed matter, quantum cosmology and quantum computation, including quantum wells, wires and dots, semiconductor excitons, qubits, exotic atoms, antimatter atoms, etc. View this paper
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Articles (21)

  • Article
  • Open Access
3,003 Views
17 Pages

Asymptotic Quantization of a Particle on a Sphere

  • José L. Romero and
  • Andrei B. Klimov

21 March 2023

Quantum systems whose states are tightly distributed among several invariant subspaces (variable spin systems) can be described in terms of distributions in a four-dimensional phase-space T∗S2 in the limit of large average angular momentum. Th...

  • Article
  • Open Access
4 Citations
2,314 Views
12 Pages

15 March 2023

Based on the results of a quantum chemical calculation using the DFT method in the B3PW91/TZVP, OPBE/TZVP, M06/TZVP, and M062/Def2TZVP levels, the possibility of the existence of M(N13) chemical compounds (M = Mn, Fe) that are unknown for these eleme...

  • Article
  • Open Access
2 Citations
2,496 Views
14 Pages

6 March 2023

In this article, quantum methods are used to study the optical properties of composite films formed by AB-stacked bilayer graphene and chiral single-walled carbon nanotubes (SWCNT) (12, 6) with a diameter of 1.2 nm. The analysis of optical properties...

  • Article
  • Open Access
1 Citations
1,880 Views
4 Pages

The MWI and Distributive Justice

  • David Papineau and
  • Thomas Rowe

28 February 2023

Everettians generally argue that their view recommends just the same rational choices as orthodoxy. In this note, however, we will show that Everettians should advocate non-standard choices in one specific kind of situation, namely situations where d...

  • Article
  • Open Access
2 Citations
3,573 Views
26 Pages

Analytical Solution to DGLAP Integro-Differential Equation in a Simple Toy-Model with a Fixed Gauge Coupling

  • Gustavo Álvarez,
  • Gorazd Cvetič,
  • Bernd A. Kniehl,
  • Igor Kondrashuk and
  • Ivan Parra-Ferrada

27 February 2023

We consider a simple model for QCD dynamics in which DGLAP integro-differential equation may be solved analytically. This is a gauge model which possesses dominant evolution of gauge boson (gluon) distribution and in which the gauge coupling does not...

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Quantum Rep. - ISSN 2624-960XCreative Common CC BY license