Results 81 to 90 of about 28,658 (246)
Classical and quantum wormholes in a 5D compact Kaluza-Klein theory
, 2012 We study the classical and quantum Euclidean wormholes for an empty (4+1) dimensional Kaluza-Klein universe with a positive cosmological constant and a spatially flat Robertson-Walker type metric. It is shown that classical wormholes do not exist neither
Darabi, F.
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Yukawa–Casimir wormholes in the framework of f(R) gravity
The European Physical Journal CIn this article, we explore the Yukawa modification of the Casimir wormhole within the framework of f(R) gravity. To accomplish this, we adopt an approach proposed by Garattini (Eur Phys J C 81:824, 2021), wherein the original Casimir source is modified ...
V. Venkatesha +2 more
semanticscholar +1 more source
Traversable wormholes supported by GUP corrected Casimir energy [PDF]
The European Physical Journal C, 2020 In this paper, we investigate the effect of the Generalized Uncertainty Principle (GUP) in the Casimir wormhole spacetime recently proposed by Garattini (Eur Phys J C 79: 951, 2019).
K. Jusufi, P. Channuie, M. Jamil
semanticscholar +1 more source
Establishing Shape Correspondences: A Survey
Computer Graphics Forum, EarlyView.Abstract Shape correspondence between surfaces in 3D is a central problem in geometry processing, concerned with establishing meaningful relations between surfaces. While all correspondence problems share this goal, specific formulations can differ significantly: Downstream applications require certain properties that correspondences must satisfy ...
A. Heuschling, H. Meinhold, L. Kobbelt
wiley +1 more source
Evolving wormhole geometry from dark matter energy density
European Physical Journal C: Particles and FieldsWe analyse traversable wormholes defined by the dynamic line elements that asymptotically approach Friedmann–Robertson–Walker (FRW) universe. These dynamical wormholes is supported by the galactic dark matter as well as perfect isotropic fluid.
Farook Rahaman, Bikramarka S. Choudhury
doaj +1 more source
Elliptical Space with the McVittie Metrics
UniverseThe main feature of elliptical space—the topological identification of its antipodal points—could be fundamental for understanding the nature of the cosmological redshift.
Vladimir N. Yershov
doaj +1 more source
Static traversable wormholes in Lyra manifold
, 2017 At first, considering the Einstein framework, we introduce some new static traversable wormholes, and study the effects of a dark energy-like source on them.
Jahromi, A. Sayahian, Moradpour, H.
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Evolving wormhole geometries [PDF]
, 1997 We present here analytical solutions of General Relativity that describe evolving wormholes with a non-constant redshift function. We show that the matter that threads these wormholes is not necessarily exotic.
A. Agnese +23 more
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Free energy from replica wormholes [PDF]
, 2020 Euclidean wormholes---geometries which connect disconnected boundaries---present a challenge to a standard quantum mechanical interpretation of the theory.
Netta Engelhardt +2 more
semanticscholar +1 more source
The FEBS Journal, EarlyView.Exercise‐related microRNAs cel‐miR‐249‐3p and cel‐miR‐77‐5p in C. elegans regulate lifespan, fitness, mitochondrial morphology and membrane potential. Although lacking direct mammalian orthologs, H2O2‐induced microRNAs mmu‐miR‐181a‐5p and mmu‐miR‐378a‐3p regulate myogenesis, autophagy, mitochondrial content and respiration in murine myoblasts ...
Qin Xia +7 more
wiley +1 more source