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  • Article
  • Open Access
2 Citations
7,582 Views
18 Pages

Quantum Brain Dynamics: Optical and Acoustic Super-Radiance via a Microtubule

  • Akihiro Nishiyama,
  • Shigenori Tanaka and
  • Jack A. Tuszynski

We aim to derive a super-radiance solution of coherent light and sound waves involving water degrees of freedom in the environment of a microtubule. We introduce a Lagrangian density functional of quantum electrodynamics with non-relativistic charged...

  • Article
  • Open Access
6 Citations
6,910 Views
17 Pages

Assessment of Humic and Fulvic Acid Sorbing Potential for Heavy Metals in Water

  • Eirini S. Papadaki,
  • Theodoros Chatzimitakos,
  • Vassilis Athanasiadis,
  • Dimitrios Kalompatsios,
  • Eleni Bozinou,
  • Paraskevi Mitlianga and
  • Stavros I. Lalas

7 December 2023

Pollution of water sources with heavy metals is a pressing environmental issue. To this end, various procedures are being used to remediate water, including sorption. The aim of this study was to investigate the effectiveness of humic acids (HAs) and...

  • Article
  • Open Access
1 Citations
5,986 Views
33 Pages

We investigate the application of the Galerkin finite element method to approximate a stochastic semilinear space–time fractional wave equation. The equation is driven by integrated additive noise, and the time fractional order α∈(1,...

  • Review
  • Open Access
8 Citations
5,150 Views
20 Pages

Review of the Uses of Acoustic Emissions in Monitoring Cavitation Erosion and Crack Propagation

  • Ismael Fernández-Osete,
  • David Bermejo,
  • Xavier Ayneto-Gubert and
  • Xavier Escaler

24 February 2024

Nowadays, hydropower plants are being used to compensate for the variable power produced by the new fluctuating renewable energy sources, such as wind and solar power, and to stabilise the grid. Consequently, hydraulic turbines are forced to work mor...

  • Article
  • Open Access
5 Citations
4,864 Views
21 Pages

18 April 2023

The discussion of what matter and mass are has been going on for more than 2500 years. Much has been discovered about mass in various areas, such as relativity theory and modern quantum mechanics. Still, quantum mechanics has not been unified with gr...

  • Review
  • Open Access
4,480 Views
11 Pages

4 September 2023

A brief review of the classical and quantum description of the interaction of electromagnetic radiation with matter based on the model of a harmonic oscillator is presented. This review includes the generalized Bohr correspondence principle, the exci...

  • Perspective
  • Open Access
2 Citations
3,980 Views
10 Pages

16 February 2023

Zeolites, both natural and synthetic, are certainly some of the most versatile minerals for their applications. Since the 1940s, they have been used in the chemical industry as catalysts, adsorbents and ion exchanger extensively, and the development...

  • Article
  • Open Access
2 Citations
3,499 Views
24 Pages

1 October 2024

Hyperfine splittings play an important role in quantum information and spintronics applications. They allow for the readout of the spin qubits, while at the same time providing the dominant mechanism for the detrimental spin decoherence. Their exact...

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Foundations - ISSN 2673-9321