Blar i Institutt for energi og prosessteknikk på tidsskrift "Symmetry"

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    • Casimir energies for isorefractive or diaphanous balls 

      Milton, Kimball A.; Brevik, Iver Håkon (Journal article; Peer reviewed, 2018)
      It is known that the Casimir self-energy of a homogeneous dielectric ball is divergent, although a finite self-energy can be extracted through second order in the deviation of the permittivity from the vacuum value. The ...

    • A new version of the Hermite-Hadamard inequality for Riemann-Liouville fractional integrals 

      Mohammed, P. O.; Brevik, Iver Håkon (Peer reviewed; Journal article, 2020)
      Integral inequalities play a critical role in both theoretical and applied mathematics fields. It is clear that inequalities aim to develop different mathematical methods. Thus, the present days need to seek accurate ...

    • Possible Expansion of Blood Vessels by Means of the Electrostrictive Effect 

      Brevik, Iver Håkon (Peer reviewed; Journal article, 2023)
      In cases when it is desirable to transport medication through blood vessels, especially when dealing with brain cancer being confronted with the narrow arteries in the brain, the blood–brain barrier makes medical treatment ...

    • Remarks on cosmological bulk viscosity in different epochs 

      Brevik, Iver Håkon; Normann, Ben David (Peer reviewed; Journal article, 2020)
      The intention of this paper is mainly two-fold. First, we point out a striking numerical agreement between the bulk viscosity in the lepton era calculated by Husdal (2016) and our own calculations of the present-day bulk ...

    • Singular Behavior of the Dark Universe under the Effect of Thermal Radiation in Curved Spacetime 

      Brevik, Iver Håkon; Timoshkin, Alexander V. (Peer reviewed; Journal article, 2023)
      We consider the late-time accelerated universe in the Friedmann–Robertson–Walker (FRW) spacetime with a nonzero curvature, and investigate cosmological models when the cosmic fluid is taken to be inhomogeneous and viscous ...

    • The reality of Casimir friction 

      Milton, Kimball A.; Høye, Johan Skule; Brevik, Iver Håkon (Journal article; Peer reviewed, 2016)
      For more than 35 years theorists have studied quantum or Casimir friction, which occurs when two smooth bodies move transversely to each other, experiencing a frictional dissipative force due to quantum electromagnetic ...