Using Neutron Star oscillations to constrain dense matter physics by Debarati Chatterjee

PROGRAM

VIRTUAL MEETING ON COMPACT STARS AND QCD 2020 (ORIGINALLY "COMPACT STARS IN THE QCD PHASE DIAGRAM VIII: THE ERA OF MULTI-MESSENGER ASTRONOMY")

ORGANIZERS: Manjari Bagchi, Sarmistha Banik, Sudip Bhattacharyya, Prashanth Jaikumar, V. Ravindran and Sayantan Sharma
DATE: 17 August 2020 to 21 August 2020
VENUE: Online
This conference will have talks on cutting edge research on theoretical QCD and its application of the astrophysical properties of compact stars. For the benefit of the students, there will be some lectures on stellar structure and evolution too. This program is a concise virtual version of our original program CSQCD-2020, whose description is given below

Compact Stars in the QCD phase diagram (CSQCD) is a biennial international discussion meeting that brings together astroparticle physicists and astrophysicists with the aim of developing theoretical insights into the QCD phase diagram at high baryon density and its applications to the phenomenology of compact stars.

With the dawn of an era of gravitational wave astronomy, CSQCD will serve as a confluence of research on multi-messenger observations of neutron stars, charting promising directions that will uncover the nature of the matter in their core. This field is expected to see many breakthroughs in the coming years, with the aid of terrestrial gravitational wave detectors, pulsar timing array experiments, as well as other precise timing campaigns in which the Square Kilometer Array will play a big role.

The first week of this ICTS program will feature pedagogical lectures covering the following topics based on major themes of CSQCD:

1. Introduction to Neutron Star (NS) phenomenology
2. QCD at finite density and Equation of State for NS
3. Stellar structure and evolution
4. Dark matter clumping and exotic phases of QCD in NS

We invite applications from graduate students and post-doctoral fellows working in the field of compact stars and their multi-messenger observations. Preference will be given to those with strong interests in pursuing compact star research.

The second week will be a discussion meeting consisting of research talks by the CSQCD community, a poster session, and dedicated discussion sessions to stimulate collaborations across countries and disciplines. Participation from young postdocs and advanced graduate students in such endeavors will be strongly encouraged.

Eligibility criteria:
Research experience in broad areas of astrophysics/finite density QCD/ astroparticle physics and a strong interest in the subject of compact stars.


CONTACT US: [email protected]
PROGRAM LINK:
https://www.icts.res.in/program/csqcd...

Table of Contents (powered by https://videoken.com)
0:00:00 Using Neutron Star oscillations to constrain dense matter physics
0:01:12 Neutron stars: Multiwavelength Astronomy
0:01:48 Astrophysical Observables
0:02:20 MODELING THE NS INTERIOR
0:04:34 EQUATION OF STATE (EOS)
0:05:10 SOLVING THE HYPERON PUZZLE
0:06:10 SOLVING THE HYPERON PUZZLE : ROLE OF VECTOR REPULSION
0:06:55 EOS : COMPLEMENTARY TO TERRESTRIAL EXPERIMENTS
0:08:30 NS EOS : THEORETICAL MODELS
0:09:01 NUCLEAR EMPIRICAL PARAMETERS
0:10:33 GWs from Binary NSs
0:11:07 GWS & dense matter EDS Tidal deformations in BNS mergers
0:11:29 GWs & dense matter EOS: QNMs in isolated NSs/postmerger BNS
0:12:50 ASTEROSEISMOLOGY : INVERSE PROBLEM
0:15:10 EMPIRICAL RELATIONS FOR ASTEROSEISMOLOGY
0:17:14 GWs from f-modes
0:18:43 EOS : RELATIVISTIC MEAN FIELD MODEL
0:19:57 SOLVING THE OSCILLATION EQUATIONS
0:21:20 SENSITIVITY STUDY
0:21:57 F-MODES AND TIDAL DEFORMABILITY
0:23:02 F-MODES AND COMPACTNESS
0:24:01 ASTEROSEISMOLOGY RELATIONS
0:24:21 HYPERON BULK VISCOSITY & R-MODES
0:24:50 HYPERONS AND AXIAL W-MODES
0:25:36 RMF EOS WITH HYPERONS
0:27:26 CONSTRAINTS FROM NUCLEAR & HYPERNUCLEAR DATA
0:28:17 EFFECT OF HYPERONS : TESTS
0:31:52 MASS-RADIUS RELATION AND F-MODES
0:33:56 HYPERONS AND F-MODE ASTEROSEISMOLOGY
0:34:31 RECAP - I
0:35:51 RECAP - II
0:36:57 FUTURE PROSPECTS
0:38:37 Q&A