(Online) Seminar series on Indian scientists: Nov 21st: 3 - 5 PM@IITGN

Published on : 07-Nov-2020

We are glad to announce the second edition of the event: Seminar series on Indian scientists.

In the first half of the 20th century, there was a great renaissance of modern scientific thinking in India starting from the pioneering works by J. C Bose. The pioneers of modern Indian Science & Mathematics from this era contributed significantly to contemporary scientific understanding. At the same time, they motivated and led the national movement to create scientific institutions in India.

The “Seminar series on Indian scientists” aims to honour the contributions of these towering figures of Indian Science & Mathematics.

In this second edition, on Saturday 21st November 2020, there will be two ONLINE seminars on the life and works of Harish-Chandra and CV Raman. The speakers are

1. November 21st, 2020: 3:00 PM - 4:00 PM

Harish-Chandra - The Mathematician and the Artist

Prof. C S Aravinda

TIFR CAM, Bangalore

2. November 21st, 2020: 4:05 PM - 5:05 PM

The life, works and legacy of Prof. C V Raman

Prof. Rupak Banerjee

IIT Gandhinagar

Both the talks may cover a few technical aspects, they will also deal with the historical and social contexts in which those pioneers worked. As such, they should appeal to faculty and students across a wide range of disciplines.

Nobel Prize in Physics 2020: Online Colloquia @ IIT Gandhinagar

Published on : 04-Nov-2020

We are happy to announce two Online colloquia about this year's Nobel prize in physics on November 6th 2020.

The speakers are 

Prof. Banibrata Mukhopadhyay

Indian Institute of Science (IISc) Bangalore, India

November 6th, 3:30 PM - 5:00 PM (IST)

Prof. Badri Krishnan

Max Planck Institute for Gravitational Physics    

(Albert Einstein Institute). Germany. 

November 6th, 5:30 PM - 7:00 PM (IST)

The speakers will elaborate the theoretical framework and the observational aspects of the physics of black holes, and the contribution of this year's physics laureates, Prof. Roger Penrose, Prof. Reinhard Genzel and Prof. Andrea Ghez.

Online physics colloquium: Conservation of Quantum Information, 4:30 PM, 21st October

Published on : 14-Oct-2020

Prof. Arun K. Pati from HRI, Allahabad, will give a colloquium on 21st October (Wednesday).  We will have the talk between 4:30 PM to 5:30 PM.

Title and abstract are given below. 

Title: Conservation of Quantum Information

Abstract: The linearity and the unitarity are two fundamental tenets of quantum mechanics. Any consequence that follows from these two must be respected. We will discuss how the stronger no-cloning and the no-deleting theorems suggest that we cannot create quantum information nor can we destroy it. Further, we will discuss the implication of the no-hiding theorem which states that if the information is lost from one of the systems, it must move to some other part of the universe. Thus, the conservation of quantum information holds for all physical processes. Finally, we will discuss the no-masking theorem and its ramifications in quantum information.

Online physics colloquium: "Fire burn, and cauldron bubble: Probing the Milky Way star formation and the interstellar medium using radio observations", 4:30 PM, 14th October

Published on : 13-Oct-2020
We will have a colloquium (online via zoom) by Nirupam Roy from IISc, Bangalore on 
14th October, 4:30 PM (IST).

He works in the field of Astrophysics and Cosmology and his research interest includes studies of the properties of the interstellar medium using radio observations. He is a very good speaker. We encourage all to attend the colloquium. 

The abstract, the title is given below. 

TitleFire burn, and cauldron bubble: Probing the Milky Way star formation and the interstellar medium using radio observations

Abstract:  The interstellar medium, from which the new stars are born and to which the old stars inject matter and energy thereby enriching it, is indeed an integral and important component of the galaxies. Understanding the structure and evolution of the interstellar medium, that involves a diverse range of phenomena and a wide range of scales, is an interesting exercise. Multiwavelength observations, in particular, a few recent surveys of the Milky Way galactic plane at radio frequencies have revealed a few of these complex aspects. In this talk, I will present some interesting results showing how we can learn more about the multiphase interstellar medium and star formation from such studies. 

Online Physics Seminar: Extreme-matter under the strongest magnetic fields in the universe, 14 August, 2020, 5:00 PM - 6:00 PM

Published on : 09-Aug-2020

We are hosting an online Physics seminar on Aug 14, 2020, by Prof. Victor Roy from NISER with the details below.

Title: Extreme-matter under the strongest magnetic fields in the universe.

Speaker:    Prof. Victor Roy

Affiliation:   NISER Bhubaneswar, India 

Day/Date:   Friday, Aug 14, 2020

Time:          17:00-18:00 Hrs (IST)

Abstract: Lorentz boosted heavy-ions produce the strongest magnetic fields in the universe in the collider experiments. 

I will talk about some of the implications that we expect from such an unprecedented combination of matter under extreme temperatures and intense magnetic fields.

About the speaker:

Victor has been a faculty member in the School of Physical Science at NISER Bhubaneswar since 2016. Prior to that, he had been at Frankfurt University as an Alexander von Humboldt Postdoctoral fellow (2014-16) and at Hua-Zhong Normal Univ  (2013-14). He obtained his Ph.D. degree from VECC Kolkata in 2012. 

His area of research is Strong interaction Physics and Relativistic Heavy-ion Collisions with research interests on Numerical relativistic hydrodynamics and magnetohydrodynamics, Transport coefficients of Quark-Gluon Plasma, Relativistic Transport models and Electromagnetic field in high energy heavy-ion collisions. 

To know more about the speaker, you can click on

Online Physics Colloquium : The Noise of Gravitons by Prof. Maulik Parikh, 10th August, 10.30 AM

Published on : 17-Jul-2020
We are organizing a colloquium (online via google meet) by Prof. Maulik Parikh from the Arizona State University on 10th August, 10:30 AM - 11:30 AM. (IST)

Title: The Noise of Gravitons

Abstract: If gravity is quantized, then gravitons exist. I will show that the bombardment of gravitons affects the motion of falling objects — by adding tiny fluctuations to their classical trajectories. Detection of these fluctuations (or “noise”) would provide evidence for the quantization of gravity and the existence of gravitons.

To attend the colloquium, I request you to kindly register using this google form: LINK

You may find further details in our physics colloquium page:

Black Hole Second Law from large D membranes

Published on : 10-Jan-2020
Dr. Arunabha Saha from the University of Geneva will be visiting us from 13th to 15th Jan 2020. He will be delivering a seminar on 14th January.
The details are:

Time and Venue: 2:30 PM- 3:30 PM, Block 6/203

Title: Black Hole Second Law from large $D$ membranes 

Abstract: I will discuss the duality between black hole dynamics and co-dimension one membranes in the limit of spacetime dimensionality tending to infinity. I will then use this duality to find an entropy current on the membrane world volume which captures the second law for the dual black hole in the Einstein -Gauss-Bonnet gravity. I will work up to the second subleading order in 1/D where the non-trivial entropy production starts. This analysis will be up to linear order in the Gauss-Bonnet parameter. I will also present some initial results for a non-perturbative analysis in the GB parameter up to leading order in 1/D. 

Compact binary Coalescences: Constraints on waveforms

Published on : 09-Jan-2020
 Mr. Neev Khera, who is a Ph.D. student at Penn State University will be visiting us on 16th January. He will be delivering a seminar on 16th, the details are:

Venue and Time: Block 5/203, 4:00 PM - 5:00 PM

Title: Compact binary Coalescences: Constraints on waveforms

Abstract: Gravitational-wave detections of compact binary coalescences (CBCs) are reliant on accurate modeling.  With upcoming future detectors, our models must improve by orders of magnitude. Exact general relativity applied to compact binary coalescences (CBCs) gives constraints that the waveforms must satisfy. These constraints can then be used as qualitatively new checks on the accuracy of waveform models. In this talk, we see the derivation of these constraints using the Bondi-Metzner-Sachs (BMS) group and its associated balance laws in the context of CBCs. We also see applications of this work in understanding the issue of angular momentum ambiguities for CBCs in general asymptotically flat spacetimes.  

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