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‎_config.yml‎

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type: lectures
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values:
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topic: "Quantum Technologies"
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- scope:
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path: "_lectures/classical-mechanics"
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type: lectures
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values:
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topic: "Classical Mechanics"
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- scope:
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path: "_lectures/linear-algebra"
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type: lectures
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values:
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topic: "Linear Algebra"
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- scope:
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path: "_lectures/special-relativity"
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type: lectures
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values:
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topic: "Special Relativity"
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- scope:
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path: "_lectures/differential-geometry"
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type: lectures
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values:
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topic: "Differential Geometry"
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- scope:
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path: "_lectures/group-theory"
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type: lectures
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values:
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topic: "Group Theory"
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- scope:
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path: "_lectures/quantum-mechanics"
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type: lectures
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values:
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topic: "Quantum Mechanics"
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path: "_lectures/other-topics"
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type: lectures

‎_data/openday.yml‎

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- Braess' Paradox (2).jpg
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- Chiral Spiral Open Day (3).png
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- Copy of Colorful Illustrative Buy a Used Car Tips Infographic Poster (Flexi_20250225_232134_0000.png
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- Copy of Ensemble Open Day.png
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- Gyroscope final.png
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- Lenz's Law (1).png
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- Lissajous Curves.png
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- Open Day 2025.png
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- open day.png
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- Path Of Electron Poster.jpg
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- ppa.png
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- Sarthak Arora Susmit Roy Mainak Chandra N Kishan Gowda (33.1 x 46.8 in).png

‎_events/2025-03-16-paper-presentation.md‎

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---
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title: Paper Presentation
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layout: post
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author: Ritabrata Ghosh
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author: Simar Narula
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image: /assets/img/events/paper-presentation/poster.webp
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---
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‎_events/2025-08-02-paper-presentation-2.md‎

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---
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title: Paper Presentation 2.0
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layout: post
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author: Simar Narula
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image: /assets/img/events/paper-presentation-2/poster.webp
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---
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Announcement of Paper Presentation 2.0
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<!--more-->
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We hope you all had a wonderful summer break and are ready to dive back into physics discussions because Paper Presentation 2.0 is here!
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This second round continues the momentum of the first, with new topics and deeper explorations. The aim is simple: engage with key research papers and present them as your own, sparking discussion and insight.
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All the papers for this round can be accessed here: [Paper Presentation 2.0](https://indianinstituteofscience-my.sharepoint.com/:f:/g/personal/simarnarula_iisc_ac_in/ErDoqnemO5lOlsIkXVG4BuABu_vtaXo9ynxrfiiryV6A2A?e=uapULM)
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Please refer to the instruction.docx file in the folder for all presentation guidelines and read it thoroughly.
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Looking forward for another round of great presentations!

‎_events/2025-08-05-meeting-with-barry-c-barish - Copy.md‎

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---
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title: Online Meeting with Prof. Barry C. Barish
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layout: post
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author: Prof. Barry C. Barish
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image: /assets/img/events/meeting-with-barry-c-barish/poster.webp
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---
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Notification regarding online meeting with Prof. Barry C. Barish
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<!--more-->
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A rare opportunity to hear directly from one of the pioneers of gravitational wave astronomy.
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**Prof. Barry C. Barish**, Nobel Laureate in Physics (2017), will be delivering a lecture today on gravitational waves and the early universe. The talk is being hosted by the Physics Society of IISER Thiruvananthapuram.
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Prof. Barish was awarded the Nobel Prize for his decisive contributions to the LIGO experiment and the first direct detection of gravitational waves.
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Topic: **Gravitational Waves and the Early Universe**
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Time: **10 PM (IST) , 05-August-2024**
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Through a collaboration between Ensemble and IISER TVM’s Physics Society, IISc students are invited to attend this special lecture.
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‎_events/2025-11-15-major-selection-talk.md‎

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---
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title: O Captains! My Captains! Welcome to the Dead Physicists' Society
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layout: post
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author: Ritabrata Ghosh
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---
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Major Selection Talk for Physics majors
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After hearing from all other majors, it's time to hear about the major that you'll take anyways!
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You, Sophomores, are at a crossroads today. You're being told to be practical, to be realistic, to choose an easy path. But we don't do Physics because it's easy. We study physics because we are members of the human race. And the human race is filled with passion. Chemistry, Biology, Maths, Materials; these are noble pursuits and necessary to sustain life. But physics, beauty, curiosity, wonder... these are what we stay alive for.
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So meet with us, the upper-year ghosts of the Dead Physicists' Society, on 15th Nov from **9:30pm** at **F-08A**, where we will:
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Stand on our desks (metaphorically... probably) to show you how to look at physics in a new light.
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Discuss the courses: The "Carpe Diems" (the ones to seize!) and the "Caveat Emptors" (the ones to... approach with caution).
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Share our 'why': Why we chose this path and why, despite the all-nighters, we’d do it all again (I guess).
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Answer your questions: No holds barred. Ask us about research, courses, life, lab reports, or which energy drink to pick for solving those integrals!
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So let's gather for the Physics Major Selection Meeting. No we don't have pizzas to offer you. We just have our enthusiasm. With this enthusiasm, we would write you a weird announcement with a movie reference when we have a quiz to prepare for the next day. But you are not nerdy enough to understand that!

‎_lectures/classical-mechanics/2025-08-13-lagrangian-and-hamiltonian.md‎

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---
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title: Lagrangian and Hamiltonian Formalism
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author: Sriraj Chandra
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layout: post
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image: /assets/img/posts/lagrangian_and_hamiltonian/poster.webp
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# topic: "Classical Mechanics"
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---
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A warm welcome to all first-year students! We’re excited to begin this semester’s Ensemble sessions with a lecture tailored especially for you.
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Our topic is Lagrangian and Hamiltonian mechanics, ideas that form the backbone of physics and appear everywhere from vibration of molecules to quantum systems and field theory.
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In this session, we will start with the calculus of variations, exploring some famous examples, then move on to Hamilton’s principle and the Lagrangian formalism with its advantages. From there, we’ll transition to the Hamiltonian formalism, discuss its properties, and introduce canonical transformations and Poisson brackets. If time permits, we’ll also touch on canonical invariants, Liouville’s theorem, and Noether’s theorem.
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## Details of the session:
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Speaker: **Sriraj Chandra (3rd Year UG)**
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Date: **13th August (Wednesday)**
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Time: **9:30 PM**
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Venue: **F-08A, OPB**
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> Lecture notes, link to the video, and pictures taken during session can be found in [this folder](https://indianinstituteofscience-my.sharepoint.com/:f:/g/personal/vidhic_iisc_ac_in/EpmYqJFv8LtJmBmJ01KLxTUBDzJ9P5_FEQ-fObU5zDYipA?e=qRhFpN).

‎_lectures/classical-mechanics/2025-08-18-lagrangian-and-hamiltonian-2.md‎

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title: Lagrangian and Hamiltonian Formalism 2
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author: Sriraj Chandra
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layout: post
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image: /assets/img/posts/lagrangian_and_hamiltonian_2/poster.webp
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video: https://youtu.be/klJSRlUfLsI?si=Zlotr5vaJj31iMkH
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# topic: "Classical Mechanics"
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---
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<!--more-->
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In this session, we will continue from where we left off with the Lagrangian formalism and explore its properties, followed by a parallel discussion of the Hamiltonian formalism. We will then move on to canonical transformations and Poisson brackets. If time permits, we will also touch upon other canonical invariants, Noether’s theorem, and work through a few illustrative examples.
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## Details of the session:
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Speaker: **Sriraj Chandra (3rd Year UG)**
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Date: **18th August (Monday)**
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Time: **9:30 PM**
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Venue: **F-08A, OPB**
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> Lecture notes can be found in [this folder](https://indianinstituteofscience-my.sharepoint.com/:f:/g/personal/vidhic_iisc_ac_in/EnRxFAAdwBxCgRbYFNwO3z8BYkXbesXdQiiRTkjEzvNJeQ?e=qohK1e).

‎_lectures/classical-mechanics/index.md‎

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---
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layout: topic-page
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permalink: '/lectures/classical-mechanics/'
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title: Classical Mechanics
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---

‎_lectures/differential-geometry/2025-10-16-differential-geometry.md‎

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title: Differential Geometry 1
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author: Simar Narula
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layout: post
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image: /assets/img/posts/differential_geometry/poster.webp
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slides: /assets/files/DiffGeoLecture1_Simar.pdf
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video: https://youtu.be/a_8zGUC_7vw?si=fVWmosVBP34Q6eUX
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# topic: "Differential Geometry"
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---
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<!--more-->
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We are delighted to announce a series of lectures on Differential Geometry which forms a backbone for the General Theory of Relativity.
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General Relativity is one of the most elegant and profound theories in physics, describing the very fabric of spacetime and gravity. To truly appreciate its beauty, a solid grasp of the underlying mathematical framework: differential geometry is essential.
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The first lecture will cover the basics of topology , introducing its formalism and key properties, followed by an introduction to topological and smooth manifolds, including charts, atlases, and coordinate maps. We will then go on to develop the language of tensors, which provides the mathematical structure central to GR.
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## Details of the session:
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Speaker: **Simar Narula (3rd Year UG)**
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Date: **16th October (Thursday)**
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Time: **9:30 PM**
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Venue: **F-08A, OPB**

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