by Chetan Pandey
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
Language
🇺🇲
Publishing Since
6/20/2020
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February 2, 2022
<p>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 Vasiliev gravity the origins of string theory, and Chetan makes interesting remarks about string worldsheets, Ricci flows, the a-theorem, and the Poincare conjecture. We briefly discuss Weyl anomalies and the a-theorem in 6 dimensions. Santhosh then rambles about things such as advanced civilizations, lost knowledge, alien worlds and other fascinating plots for science fiction. Amartya concludes by describing about the recent developments in the anomalous (g-2) of muons, and tension between proposed models and data.</p>
January 22, 2022
<p>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 emergence proposal in EFTs and the weak gravity conjecture, the graviton forward pole, and string theory motivated regge-behavior of amplitudes. Chetan then rambles about the limitations of string theoretic models, SIMPs, and Strominger's work on asymptotic symmetries.</p>
January 16, 2022
<p>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 suggests a more fundamental language underlying gauge theories and gravity; with many sacred principles of QFTs coming out as emergent. Amartya then elaborates upon signatures of violations of these sacred principles, the IR-UV correspondences used to constrain physics beyond the standard model, extra dimensions, swampland conjectures and the S-matrix bootstrap. Santhosh then rambles about an array of related topics in condensed matter, from density functional theory, percolation theory, equilibrium, thermalization and Anderson Localization, to stochastic thermodynamics and non-hermitian hamiltonians. We discuss how Supersymmetry seems to be the common conceptual bridge between these topics. We close with an array of questions to be discussed subsequently and ramble about how nice it is to be back.</p>
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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
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