Faerman Yakov

Primary Category:

Post-Docs

Discipline:

Astrophysics and Relativity

E-Mail:

Upcoming Events

Thursday, March 20th

semester start
- End date: Thursday, March 20th
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Sunday, March 23rd

Special Astrolunch: David Barba Gonzalez
- Start time: 02:00pm
- End date: Sunday, March 23rd
- End time: 03:00pm
- Speaker: David Barba-Gonzalez (Universidad de Salamanca, Spain)Title: Realistic simulations of relativistic plasmas, astrophysical implications and multimessenger constraints on the nuclear equation of stateAbstract:In this seminar, I will give an overview of results produced by the Astroparticle and Nuclear Astrophysics Group at the University of Salamanca, within the context of my PhD thesis. In the first part, I will describe our Molecular Dynamics (MD) code capable of realistically simulating relativistic, fully-ionized plasmas in neutron stars and white dwarfs interiors. I will explain how transport and elastic properties are relevant for gravitational wave physics, and the importance of realistically characterizing the electrostatic sector of the crust Equation of State (EoS) at finite temperature. Secondly, I will discuss our contributions to constrain the Nuclear Equation of State from multimessenger signals from kilonovae. Ejected matter radioactively powers the electromagnetic emission, which contains critical information about size, compactness and tidal deformability of the binary stars. This is crucial for connecting the microscopic properties of the EoS with the observables from future binary neutron star merger multimessenger observations.Zoom link:https://huji.zoom.us/j/88000652036?pwd=3c2Rwo4aGz8VUnZHJD5bs8PipV4Gea.1Meeting ID: 880 0065 2036Passcode: 869294 Contact: Sivan Ginzburg
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Monday, March 24th

Physics Colloquium : "Positron Annihilation Spectroscopy - Methods and Opportunities"
- Start time: 12:00pm
- End date: Monday, March 24th
- End time: 01:30pm
- Lecturer: Prof. Guy Ron and Prof. Hadar Steinberg (HUJI)Abstract:Positron Annihilation Spectroscopy (PAS) is a spectroscopic technique thatmakes use of positrons impinging on a material sample to perform ultra-sensitive spectroscopic measurement of the defect concentration (and types)and chemical environment in a material.If this talk we will present the basic methodology behind PAS, as well as de-scribe the SPOT-IL positron facility at the Hebrew University, which consistsof two independent and complimentary measurement setups. We will further describe our advances in graphene-based positron charge sensors, and their potential in probing positron transport. We will outline our vision for future applications of PAS-based local probes.
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Faerman Yakov