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Physics, Volume 3, Issue 1

2021 March - 12 articles

Cover Story: In 1950, Alan M. Turing wondered if brain networks operate under a critical regimen, referring to the neuron’s sensitivity to receive activity and then propagate it. Ordered or silent systems poorly propagate information, whereas highly sensitive systems exhibit overactivation that does not allow dynamic pattern recovery. In contrast, many biological systems, including brain networks, share intermediate or critical stability properties, displaying a broad dynamic repertoire, memory, and robustness. Moreover, the metabolic cost could shape the brain network dynamics during biological evolution. We show that critical neural dynamics exhibits minimum metabolic consumption and global communication, outperforming highly sensitive and ordered systems. View this paper.
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Articles (12)

  • Article
  • Open Access
2 Citations
3,087 Views
16 Pages

23 March 2021

The problem of natural convection in a binary mixture subject to realistic boundary conditions of imposed zero mass flux on the solid walls shows solutions that might lead to unrealistic negative values of the mass fraction (or solute concentration)....

(This article belongs to the Special Issue Physics in Engineering: A Themed Issue in Honour of Professor Peter Vadasz on the Occasion of His 70th Birthday)
  • Article
  • Open Access
1 Citations
3,720 Views
16 Pages

22 March 2021

This paper shortly reviews the sensitivities that can be achieved to unambiguously point out the presence of a signal of Galactic origin in dark matter experiments with solid-scintillator detectors. Examples of the experimental sensitivities obtained...

(This article belongs to the Special Issue Radiation Spectroscopy with Solid Scintillators for Rare Events)
  • Article
  • Open Access
3,078 Views
9 Pages

16 March 2021

The main scope of this study is a critical comparison of data coming from different regions in the world, where significant outbreaks of the Covid-19 pandemic took place, accounting for age differences among the considered samples. Scaling laws are d...

(This article belongs to the Special Issue Physics Methods in Coronavirus Pandemic Analysis)
  • Review
  • Open Access
3 Citations
4,352 Views
16 Pages

9 March 2021

The investigation of 2β decay is an important issue in modern physics, allowing the test of the Standard Model of elementary particles and the study of the nature and properties of neutrinos. The crystal scintillators, especially made of isotopically...

(This article belongs to the Special Issue Radiation Spectroscopy with Solid Scintillators for Rare Events)
  • Article
  • Open Access
13 Citations
4,918 Views
18 Pages

18 February 2021

A new two-parameter kinetic equation model is proposed to describe the spatial spread of the virus in the current pandemic COVID-19. The migration of infection carriers from certain foci inherent in some countries is considered. The one-dimensional m...

(This article belongs to the Special Issue Physics Methods in Coronavirus Pandemic Analysis)
  • Review
  • Open Access
4 Citations
4,338 Views
14 Pages

Material Screening with Mass Spectrometry

  • Francesca Marchegiani,
  • Francesco Ferella and
  • Stefano Nisi

15 February 2021

Inductively coupled plasma mass spectrometry is a powerful analytical technique. Because of its sensitivity, accuracy, multielement capability, high throughput, rapid analysis times and low detection limits, it is able to determine simultaneously lon...

(This article belongs to the Special Issue Radiation Spectroscopy with Solid Scintillators for Rare Events)
  • Article
  • Open Access
4 Citations
3,886 Views
12 Pages

12 February 2021

The Ermakov–Milne–Pinney equation is ubiquitous in many areas of physics that have an explicit time-dependence, including quantum systems with time-dependent Hamiltonian, cosmology, time-dependent harmonic oscillators, accelerator dynamics, etc. The...

(This article belongs to the Section Classical Physics)
  • Article
  • Open Access
3 Citations
6,357 Views
17 Pages

10 February 2021

Brain dynamics show a rich spatiotemporal behavior whose stability is neither ordered nor chaotic, indicating that neural networks operate at intermediate stability regimes including critical dynamics represented by a negative power-law distribution...

(This article belongs to the Section Biophysics and Life Physics)
  • Article
  • Open Access
1 Citations
4,291 Views
25 Pages

Scattering on Quasi-Spherical Black-Holes: Features and Beyond

  • Adam M. Arslanaliev and
  • Alexei J. Nurmagambetov

28 January 2021

Recent developments in the gravitational waves interferometry require more pertinent theoretical models of gravitational waves generation and propagation. Untouched possible mechanisms of spin-2 spacetime perturbations production, we will consider th...

(This article belongs to the Special Issue Beyond the Standard Models of Physics and Cosmology)
  • Communication
  • Open Access
4,608 Views
9 Pages

Emergence of Many Mini-Circles from a Coffee Suspension with Mechanical Rotation

  • Hiroshi Ueno,
  • Mayu Shono,
  • Momoko Ogawa,
  • Koichiro Sadakane and
  • Kenichi Yoshikawa

22 January 2021

Drying of an aqueous suspension containing fine granules leads to the formation of a circular pattern, i.e., the coffee-ring effect. Here, we report the effect of mechanical rotation with drying of an aqueous suspension containing a large amount of g...

(This article belongs to the Special Issue Dedication to Professor Michael Tribelsky: 50 Years in Physics)
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Physics - ISSN 2624-8174