Cover art for podcast Quantized Ramblings

Quantized Ramblings

19 EpisodesProduced by Chetan PandeyWebsite

This podcast is an attempt to record the (hopefully) coherent ramblings of three guys working their way through a physics degree. We like to listen to each other talk about physics. We will recklessly extrapolate and assume that you like to listen to us ramble too. Welcome to Quantized Ramblings

19 Episodes | 2020 - 2022

8.5 Part 3: String theory and (other) science fiction

February 2nd, 2022


Chetan begins by reviewing the eikonal approximation, and factorization theorems for amplitudes. Amartya then discusses this in context of quantum gravity, causality constraints and regge behaviour. This brings us to …

8.5 Part 2

January 22nd, 2022


Santhosh begins this episode with a discussion about transverse field Ising chains and dualities, anyon algebras, and systems with known spectra but unknown states. Amartya then talks about the relation between the …

8.5 Part 1: Impromptu over chai

January 16th, 2022


We reunite in person after nearly 2 years. Chetan begins this episode with a discussion about Witten's recent work on the deep connection between gauge-gravity amplitudes and geometry in twistor space, and how this …

Positivity bounds and gravity

May 14th, 2021


In this episode, we begin by reviewing the weak gravity conjecture. We then discuss such "swampland conjectures" from the EFT perspective- in the form of positivity bounds, and discuss in detail the UV completion of …

CPT and the neutrino story

May 6th, 2021


In this episode, we discuss aspects of hermiticity and unitarity, in the context of PT-symmetric Hamiltonians. Then, we take a detour towards discussing the fascinating story of neutrinos in the standard model, the big …

Thoughts on Academia

May 1st, 2021


In this episode, we discuss what has our experience doing physics been so far-how it's different from what we thought it'd be, what lies ahead. We express (some very strongly) our thoughts about the general nature of …

2D magnetism with Rohan Maniar

April 25th, 2021


In this episode, our friend and today's guest on the podcast, Rohan Maniar, talks about his area of research- 2D magnetic systems. We discuss long-range order in 2D systems and the Mermin-Wagner theorem. We then ramble …

"Chai pe charcha"

April 19th, 2021


We start by briefly discussing axions and inflation. Amartya then rambles about the structure of vacua in compactified theories. Chetan discusses an …


April 9th, 2021


In this episode, we discuss ideas of integrability in physics, ranging from classical mechanics to classical and quantum field theories. Amartya discusses some ideas about positivity bounds and the swampland, and with a …

From Parafermions to the Swampland

April 2nd, 2021


In this episode, Santhosh describes some features of 1D interacting systems, exploring Bethe ansatz, parafermions, dualities, etc. and Amartya rambles about unitarity bounds, 'ghosts', etc;  distinguishing 'healthy' …

Cosmological collider physics

October 11th, 2020


In this episode, Amartya rambles about an interesting idea of studying inflationary correlators, and we discuss the unreasonable effectiveness of physics in math.

An operator for time?

September 4th, 2020


In this episode, we discuss the consequences of having a "time" operator in physical theories and ramble about related ideas.

Bose-Einstein condensates with Gautam Hegde

August 15th, 2020


In this episode, we have our first guest, our good friend Gautam, who rambles about cool stuff from granular gases to superfluids.

Spontaneous Symmetry Breaking

July 29th, 2020


In this episode, we talk about an idea central to both condensed matter and particle physics-spontaneous symmetry breaking. Starting from the instructive example of a ferromagnet, we move to the famous Higgs mechanism …

But, what is Time?

July 21st, 2020


In this episode, we discuss the idea of time in physics, inspired by the concept in the movie, Arrival. We ramble about general covariance in …

From Compactifications to Topological Insulators

July 13th, 2020


In this episode, we discuss the interesting ideas of spontaneous compactification of higher dimensions in theories like string theory, the …

Starts with a bang: story of the Universe

July 9th, 2020


In this episode, we discuss the million dollar question- how did the universe begin? Why does it expand? How does large scale structure form? Listen …

Hot stuff: From Temperature to Black holes

June 29th, 2020


In this episode, we discuss various ideas to understand what "temperature" is. Usually a statistical parameter describing equilibrium systems, we try to look for a more general description, which leads to a discussion …

RG flows and all that

June 20th, 2020


In this episode, we (Chetan, Amartya, and Santhosh) discuss some random ideas about quantum field theories, which range from hidden structures/symmetries, RG flows, anomalies to ideas about condensed matter physics.

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