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19982026
most citedCosmology Intertwined II: The Hubble Constant Tension

540 citations

Showing 2015Show all

7 papers · 1 filter

gr-qc2015★ 1 cited

Comment on "Classification of Cosmic Scale Factor via Noether Gauge Symmetries" [Int. J. Theor. Phys. 54, 2343 (2015)]

A. Paliathanasis, K. Krishnakumar, P. G. L. Leach

We discuss the relationship between the Noether point symmetries of the geodesic Lagrangian, in a (pseudo)Riemannian manifold, with the elements of the Homothetic algebra of the sp…

physics.ao-ph2015★ 3 cited

Rossby Wave Green's Functions in an Azimuthal Wind

G. M. Webb, C. T. Duba, Q. Hu

Green's functions for Rossby waves in an azimuthal wind are obtained, in which the stream-function depends on , and , where is cylindrical radius and is the a…

gr-qc2015★ 50 cited

Braneworld gravastars admitting conformal motion

Ayan Banerjee, Farook Rahaman, Sayeedul Islam +1

In this work, we study the Mazur and Mottola gravastar model within the context of Randall-Sundrum II type braneworld scenario, based on the fact that our four dimensional space-ti…

math.AP2015★ 19 cited

Lie Symmetry Analysis of the Black-Scholes-Merton Model for European Options with Stochastic Volatility

A. Paliathanasis, K. Krishnakumar, K. M. Tamizhmani +1

We perform a classification of the Lie point symmetries for the Black--Scholes--Merton Model for European options with stochastic volatility, , in which the last is defined by a…

physics.plasm-ph2015★ 11 cited

Multi-Symplectic Magnetohydrodynamics: II, Addendum and Erratum

G. M. Webb, J. F. McKenzie, G. P. Zank

A recent paper arXiv:1312.4890 on multi-symplectic magnetohydrodynamics (MHD) using Clebsch variables in an Eulerian action principle with constraints is further extended. We relat…

quant-ph2015★ 29 cited

Non-Hermitian Hamiltonians and stability of pure states

Konstantin G. Zloshchastiev

We demonstrate that quantum fluctuations can cause, under certain conditions, the dynamical instability of pure states that can result in their evolution into mixed states. It is s…

quant-ph2015★ 41 cited

Quantum entropy of systems described by non-Hermitian Hamiltonians

Alessandro Sergi, Konstantin G. Zloshchastiev

We study the quantum entropy of systems that are described by general non-Hermitian Hamiltonians, including those which can model the effects of sinks or sources. We generalize the…