linkedin post 2021-03-03 06:08:51

linkedin post 2021-03-03 06:08:51

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STAR COLLAPSE. “The nuclear fusion reactions in the core of a star exhibit a dynamical behavior in the structure constitution as well as evolution of astrophysical objects. The fusion processes in the star core generate outward directed thermal pressure to overcome the gravitational pull produced by a star mass. Once the nuclear fuel is entirely burnt out, there remains no sufficient pressure to resist the attractive force of gravity, consequently, the star experiences the stellar death, a phenomenon known as gravitational collapse.” https://www.sciencedirect.com/science/article/pii/S0577907319309773 View in LinkedIn
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linkedin post 2021-03-03 06:07:10

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LAB HI-DENSITY. “The objectives of our project were to improve technical capabilities in laser-driven dynamic compression experiments and to use the new platforms to document the influence of high density and temperature on the insulator-to-metal transition in dense fluid helium.” https://lnkd.in/dtAti2a View in LinkedIn
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linkedin post 2021-03-03 06:05:06

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SIMPLE DOES NOT EXIST. “Because helium does not form molecules, understanding the microscopic mechanisms underpinning its transition from an insulator to a warm dense metal should be more straightforward. Helium therefore constitutes an excellent testbed for advanced numerical and theoretical methods for warm dense low-Z system physics. Unfortunately, large discrepancies still exist between the scarce existing experimental data and state-of-the-art simulation results.” https://lnkd.in/dtAti2a View in LinkedIn
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linkedin post 2021-03-05 06:01:42

linkedin post 2021-03-05 06:01:42

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MODIFYING EINSTEIN’S RELATIVITY. “The simplest extension to GR is f(R) theory originated by placing a generic function f(R) instead of curvature scalar (R) in the Einstein-Hilbert action.” (GR = General relativity). https://www.sciencedirect.com/science/article/pii/S0577907319309773 View in LinkedIn
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linkedin post 2021-03-03 06:03:38

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PHASE CHANGES. “There has been significant progress recently toward a better understanding of the insulator-to-metal transition in dense fluid hydrogen.However, the relationship of the molecular dissociation to the metalization and ionization processes must be described before we can understand the roles of density and temperature in that transition.” https://lnkd.in/dtAti2a View in LinkedIn
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linkedin post 2021-03-05 05:59:54

linkedin post 2021-03-05 05:59:54

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COSMIC EXPANSION. “This expansion ensures the appearance of an enigmatic force with large negative pressure dubbed as dark energy. Modified or extended theories of gravity have shown a fundamental role to explore the diverse features of dark energy and dark matter.” https://www.sciencedirect.com/science/article/pii/S0577907319309773 View in LinkedIn
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linkedin post 2021-03-03 06:00:27

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THE SIMPLEST UNKNOWNS. “In the wake of the tremendous amount of data collected by NASA's Juno and Cassini probes at Jupiter and Saturn, the need increases for accurate models of the physical and chemical properties of gas-giant constituents such as hydrogen isotopes, helium, and their mixtures.” https://lnkd.in/dtAti2a View in LinkedIn
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linkedin post 2021-03-05 05:57:35

linkedin post 2021-03-05 05:57:35

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EINSTEIN ALTERNATIVES. “General relativity (GR) has made remarkable achievements in resolving various hidden puzzles of the cosmos but it is not adequate to inspect the universe at large scales. In this regard, alternative theories to GR are identified as the most effective approaches to deal with the stimulating mysteries such as dark matter and current accelerated cosmic expansion.” https://www.sciencedirect.com/science/article/pii/S0577907319309773 View in LinkedIn
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