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Theories of Everything with Curt Jaimungal

Cumrun Vafa: Dark Dimensions That Unify Dark Matter and Dark Energy

Theories of Everything with Curt Jaimungal

Curt Jaimungal

Physics, Philosophy, Society & Culture, Science

4.6606 Ratings

🗓️ 19 July 2024

⏱️ 76 minutes

🧾️ Download transcript

Summary

Cumrun Vafa (Harvard) proposes Dark Dimensions theory unifying dark matter and dark energy through extra dimensions He explains how extra dimensions could unify dark matter and dark energy, and shares his intuition behind recent advances.- 00:00 - Intro- 00:50 - Getting Started in Math/Physics- 05:08 - Relationship Between Math and Physics- 11:51 - Gromov-Witten Invariants- 12:29 - Self-Dual Connections (4 Dimensions)- 13:55 - Physics Revolutions- 17:30 - F-Theory (2 Extra Dimensions)- 21:10 - Swampland (Quantum Field Theories)- 45:31 - Quantum vs. Classical- 46:14 - What Defines a “String Theory”- 51:57 - Quantum Gravity Approaches- 54:24 - Incorporating Gravity (Gauge Gravity)- 56:13 - Vafa’s Intuition- 58:18 - Vafa’s Swampland Program- 01:03:39 - Dark Dimensions (Dark Matter)SPONSORS:- Patreon: https://patreon.com/curtjaimungal (early access to ad-free audio episodes!)- Crypto: https://tinyurl.com/cryptoTOE- PayPal: https://tinyurl.com/paypalTOE- TOE Merch: https://tinyurl.com/TOEmerchRESOURCES:- Cumrun’s paper on dark dimension gravitons: https://arxiv.org/abs/2209.09249- Cumrun’s paper on chiral rings: https://lib-extopc.kek.jp/preprints/PDF/1989/8907/8907191.pdf- Get my 'Top 10 TOEs' PDF + Weekly Personal Updates: https://www.curtjaimungal.org- Instagram: https://www.instagram.com/theoriesofeverythingpod- TikTok: https://www.tiktok.com/@theoriesofeverything_- Twitter: https://twitter.com/TOEwithCurt- Discord Invite: https://discord.com/invite/kBcnfNVwqs- iTunes: https://podcasts.apple.com/ca/podcast/better-left-unsaid-with-curt-jaimungal/id1521758802- Pandora: https://pdora.co/33b9lfP- Spotify: https://open.spotify.com/show/4gL14b92xAErofYQA7bU4e- Subreddit r/TheoriesOfEverything: https://reddit.com/r/theoriesofeverything Theories of Everything with Curt Jaimungal features long-form, technically detailed interviews with leading researchers in physics, mathematics, consciousness, and philosophy, exploring topics at the level of active research. For academics, graduate students, and anyone seeking depth beyond popular science. SPONSOR: I personally subscribe to The Economist. TOE listeners get 35% off the annual subscription. No other podcast has this! https://economist.com/TOE FOLLOW: Substack | Spotify | YouTube | Twitter Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

The dark matter, which is this bread and butter of this mysterious mass in the universe,

0:04.9

and the dark energy which is pervading everywhere and we have no idea, we think are related.

0:10.3

Dark dimensions, F theory, and what lies beyond space time.

0:16.3

Kamran Vafa, professor of science at Harvard, whose doctoral advisor was Edward Witten, proposes

0:22.2

a revolutionary idea that could either unify or break decades of physics research.

0:29.1

His theory suggests dark matter and dark energy, comprising 95% of our universe, might be

0:35.7

manifestations of the same underlying phenomenon. Come with me into the

0:41.1

heart of the universe, both observable and not, where the nature of the cosmos hangs in the balance.

0:51.9

Professor Vafa, welcome. Thank you.

0:56.1

I want to know what got you into math and physics.

1:03.0

Well, when I was a child from the very elementary schools, I remember loving math.

1:06.3

So math was always part of my excitement about intellectual excitement.

1:13.4

But physics kind of gradually got into it in the sense that I started looking around things like looking at the moon and I remember I was second grade when I was wondering why the moon isn't falling down

1:18.3

on the earth and what I found amazing was that it didn't bother people around me that fact that

1:25.5

there's something up there like like, kind of suspended.

1:29.1

And it is kind of like, I didn't know, I don't know how to put my finger on.

1:33.5

It didn't seem to intellectually bother them to want to know the answer to it.

1:37.7

So these kind of things from the beginning kind of attracted me to nature and understanding

1:42.8

how it works.

1:43.5

That gradually became my excitement about physics as a whole

1:46.8

and fundamental physics later on.

1:49.0

And luckily for me, my interest in math and physics

...

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