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The recrystallized grain size and texture in alloys can be controlled via the microchemistry state during thermomechanical processing. The influence of concurrent precipitation on recovery and recrystallization is here analyzed by directly…

Materials Science · Physics 2023-02-17 Håkon W. Ånes , Antonius T. J. van Helvoort , Knut Marthinsen

Segregation, precipitation, and phase separation in Fe-Cr systems is investigated. Monte Carlo simulations using semiempirical interatomic potential, first-principles total energy calculations, and experimental spectroscopy are used. In…

Spin engineering of advanced pulse sequences has had a transformative impact on the development of nuclear magnetic resonance (NMR) spectroscopy, to an extending degree also electron paramagnetic resonance (EPR), and the hybrid between the…

Chemical Physics · Physics 2025-01-31 Jose P. Carvalho , Anders Bodholt Nielsen , Eniko Baligacs , Nino Wili , Niels Chr. Nielsen

In this work we develop an analytic approach to study pulsar spindown. We use the monopolar spindown model by Alvarez and Carrami\~{n}ana (2004), which assumes an inverse linear law of magnetic field decay of the pulsar, to extract an…

General Relativity and Quantum Cosmology · Physics 2018-07-11 F. Chishtie , S. R. Valluri

Kinetic transport equations are notoriously difficult to simulate because of their complex multiscale behaviors and the need to numerically resolve a high dimensional probability density function. Past literature has focused on building…

Numerical Analysis · Mathematics 2022-11-10 Zhichao Peng , Yanlai Chen , Yingda Cheng , Fengyan Li

A numerical rotating neutron star solver is used to study the temporal evolution of accreting neutron stars using a multi-polytrope model for the nuclear equation of state named ACB5. The solver is based on a quadrupole expansion of the…

Given that mergers are often invoked to explain many exotic phenomena in massive star evolution, understanding the evolutionary phase directly preceding a merger, the overcontact phase, is of crucial importance. Despite its importance,…

Solar and Stellar Astrophysics · Physics 2022-10-05 Michael Abdul-Masih , Ana Escorza , Athira Menon , Laurent Mahy , Pablo Marchant

Phase field crystal methodology is applied, for the first time, to study the effect of alloy composition on the clustering behavior of a quenched/aged supersaturated ternary Al alloy system. An analysis of the work of formation is built…

Materials Science · Physics 2012-10-19 Vahid Fallah , Nana Ofori-Opoku , Jonathan Stolle , Nikolas Provatas , Shahrzad Esmaeili

It is believed that quark stars or neutron stars with mixed phase in the core have smaller radii compared to ordinary compact stars. With the recent observation of several low radius objects, typically a radius of $<10 Km.$ for star of mass…

High Energy Physics - Phenomenology · Physics 2009-11-10 Ashok Goyal

We present a systematic numerical relativity study of the impact of different treatment of microphysics and grid resolution in binary neutron star mergers. We consider series of simulations at multiple resolutions comparing hydrodynamics,…

High Energy Astrophysical Phenomena · Physics 2023-01-18 Francesco Zappa , Sebastiano Bernuzzi , David Radice , Albino Perego

In recent years, stable and unstable manifolds of invariant objects (such as libration points and periodic orbits) have been increasingly recognized as an efficient tool for designing transfer trajectories in space missions. However, most…

Dynamical Systems · Mathematics 2021-10-01 Bhanu Kumar , Rodney L. Anderson , Rafael de la Llave

Diffusion in ternary, multiphase systems was studied theoretically and experimentally in Ni-Cr-Al system at 1200C. The samples were prepared by the multiple method. It has been shown that the method allows obtaining good quality, planar,…

Materials Science · Physics 2018-05-08 Marek Zajsuz

The long-term dynamical evolution is a crucial point in recent planetary research. Although the amount of observational data is continuously growing and the precision allows us to obtain accurate planetary orbits, the canonical stability…

Earth and Planetary Astrophysics · Physics 2022-11-30 Tamás Kovács , Máté Pszota , Emese Kővári , Emese Forgács-Dajka , Zsolt Sándor

Recent nonmagnetized studies of binary neutron star mergers have indicated the possibility of identifying equation of state features, such as a phase transition or a quark-hadron crossover, based on the frequency shift of the main peak in…

General Relativity and Quantum Cosmology · Physics 2024-11-05 Antonios Tsokaros , Jamie Bamber , Milton Ruiz , Stuart L. Shapiro

We study the properties of strange quark matter in equilibrium with normal nuclear matter. Instead of using the conventional bag model in quark sector, we achieve the confinement by a density-dependent quark mass derived from in-medium…

Astrophysics · Physics 2008-11-26 G. X. Peng , A. Li , U. Lombardo

Recurrence is a fundamental property of dynamical systems, which can be exploited to characterise the system's behaviour in phase space. A powerful tool for their visualisation and analysis called recurrence plot was introduced in the late…

Chaotic Dynamics · Physics 2025-01-27 Norbert Marwan , Maria Carmen Romano , Marco Thiel , Jürgen Kurths

It has now become customary in the field of numerical relativity to couple high order finite difference schemes to mesh refinement algorithms. To this end, different modifications to the standard Berger-Oliger adaptive mesh refinement…

General Relativity and Quantum Cosmology · Physics 2015-04-29 Bishop Mongwane

We model within the kinetic Monte Carlo method the initiation of neck formation and then later evolution of the resulting bridging regions for configurations involving small particles initially positioned fitted between large particles for…

Materials Science · Physics 2014-11-14 Vyacheslav Gorshkov , Vasily Kuzmenko , Vladimir Privman

Powdered materials of sizes ranging from nanometers to microns are widely used in materials science and are carefully selected to enhance the performance of a matrix. Fillers have been used in order to improve, among the others, mechanical,…

Soft Condensed Matter · Physics 2007-05-23 Andrea Corsi , P. D. Gujrati

The visible reflectance spectrum of many solar system bodies changes with changing viewing geometry for reasons not fully understood. It is often observed to redden (increasing spectral slope) with increasing solar phase angle, an effect…

Earth and Planetary Astrophysics · Physics 2017-01-23 S. E. Schröder , Y. Grynko , A. Pommerol , H. U. Keller , N. Thomas , T. L. Roush
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