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Quantum Reports, Volume 2, Issue 3

September 2020 - 11 articles

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Articles (11)

  • Brief Report
  • Open Access
12 Citations
4,516 Views
6 Pages

Demonstration of Software Defined Network Services Utilizing Quantum Key Distribution Fully Integrated with Standard Telecommunication Network

  • Diego R. Lopez,
  • Vicente Martin,
  • Victor Lopez,
  • Fernando de la Iglesia,
  • Antonio Pastor,
  • Hans Brunner,
  • Alejandro Aguado,
  • Stefano Bettelli,
  • Fred Fung and
  • David Hillerkuss
  • + 6 authors

3 September 2020

We present a demonstration of software defined networking (SDN) services utilizing quantum key distribution (QKD) technology, fully integrated with standard telecommunication network connecting production facilities of Telefonica in Madrid. All commu...

  • Article
  • Open Access
2 Citations
2,845 Views
8 Pages

13 August 2020

Arguments for a two boundary theory are briefly outlined. Plausible concepts of how in such a theory an approximate causal macroscopic theory can emerge are presented. A problem with simple implementations of the two boundary theory is that effective...

  • Article
  • Open Access
4 Citations
3,958 Views
28 Pages

7 August 2020

A “time”-covariant Schrödinger equation is defined for the minisuperspace model of the Reissner–Nordström (RN) black hole, as a “hybrid” between the “intrinsic time” Schrödinger and Wheeler&nda...

  • Article
  • Open Access
7 Citations
3,676 Views
14 Pages

21 July 2020

Several methods for exploiting quantum effects in radar have been proposed, and some have been shown theoretically to outperform any classical radar scheme. Here, a model is presented of quantum-enhanced noise radar enabling a similar analysis. This...

  • Article
  • Open Access
14 Citations
3,779 Views
12 Pages

Magnetic Monopoles and Superinsulation in Josephson Junction Arrays

  • Carlo Trugenberger,
  • M. Cristina Diamantini,
  • Nicola Poccia,
  • Flavio S. Nogueira and
  • Valerii M. Vinokur

20 July 2020

Electric-magnetic duality or S-duality, extending the symmetry of Maxwell’s equations by including the symmetry between Noether electric charges and topological magnetic monopoles, is one of the most fundamental concepts of modern physics. In t...

  • Technical Note
  • Open Access
4,305 Views
10 Pages

17 July 2020

We report on the design and construction of a spin-flip Zeeman slower, a quadrupole magnetic trap and a Feshbach field for a new machine for ultra-cold Li-7. The small mass of the Li-7 atom, and the tight lattice spacing, will enable to achieve a 100...

  • Article
  • Open Access
3,943 Views
26 Pages

Graph Approach to Quantum Teleportation Dynamics

  • Efrén Honrubia and
  • Ángel S. Sanz

10 July 2020

Quantum teleportation plays a key role in modern quantum technologies. Thus, it is of much interest to generate alternative approaches or representations that are aimed at allowing us a better understanding of the physics involved in the process from...

  • Article
  • Open Access
2 Citations
3,386 Views
9 Pages

8 July 2020

We investigate the entanglement dynamics of a system comprising a pair of two-level dipole-dipole interacting atoms coupled to a microtoroidal resonator. Each atom is individually coupled with the two counter-propagating whispering gallery modes of t...

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