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InertialObservr's profile
〈 Berger | Dillon 〉
〈 Berger | Dillon 〉
〈 Berger | Dillon 〉
@InertialObservr

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〈 Berger | Dillon 〉

@InertialObservr

PhD student of Theoretical Particle Physics @UCIrvine l @NSF Fellow l Physics & Math Animations l Patreon: https://www.patreon.com/inertialobserver …

DC → CA
youtube.com/c/InertialObse…
Joined August 2015

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    1. 〈 Berger | Dillon 〉‏ @InertialObservr 6 Jun 2019
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      Suppose you're a little creature living on a Möbius strip. 👉Then after "walking in a circle" (i.e. 2π radians), you will actually be upside-down. 👉In order to get back to where you started, you have to go around twice! Check out my neat gif! 👇pic.twitter.com/1MMvp83IWG

      6 replies 21 retweets 111 likes
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    2. 〈 Berger | Dillon 〉‏ @InertialObservr 6 Jun 2019
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      The 𝐏𝐚𝐮𝐥𝐢 𝐈𝐝𝐞𝐧𝐭𝐢𝐭𝐲 tells us how to rotate a 2 component 𝒗𝒆𝒄𝒕𝒐𝒓 of complex numbers, called a "spinor", around an axis θ̂. 👉for spinors, a rotation by 2π yields -1 👉only a rotation by 4π yields identity ..sound familiar?pic.twitter.com/ECGtLshlH2

      13 replies 16 retweets 61 likes
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    3. EXTREM :II: TOPOLOGIE FAN‏ @zimtyzimtbart 14 Jul 2019
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      Replying to @InertialObservr

      Fun fact: Spinor calculus already contains tensor calculus. Every tensor has a spinor analogue. A spin-vector multiplied by its complex conjugate produces a null vector.

      1 reply 0 retweets 0 likes
    4. 〈 Berger | Dillon 〉‏ @InertialObservr 14 Jul 2019
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      Replying to @zimtyzimtbart

      by null vector you mean SU(N) invariant? Then i agree. What's more is that you can construct all tensor reps of SU(N) by suitable direct products of the fundamental representation!

      1 reply 0 retweets 1 like
    5. EXTREM :II: TOPOLOGIE FAN‏ @zimtyzimtbart 14 Jul 2019
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      Replying to @InertialObservr

      I'm coming from GR here. There is a isomorphism between the space of real [1,1]-index spinors and the tangent space of 4d space-time. (By (1,1) I mean 1 index from a spin-vector space and one from it's complex conjugate). 1/~

      2 replies 0 retweets 1 like
    6. 〈 Berger | Dillon 〉‏ @InertialObservr 14 Jul 2019
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      Replying to @zimtyzimtbart

      yea! we're saying the same thing! What you're calling a [1,1] spinor is actually just the (1/2, 1/2) representation of the Poincare group!

      1 reply 0 retweets 1 like
    7. EXTREM :II: TOPOLOGIE FAN‏ @zimtyzimtbart 14 Jul 2019
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      Replying to @InertialObservr

      nice! I should really take a look at rep theory :D

      1 reply 0 retweets 1 like
      〈 Berger | Dillon 〉‏ @InertialObservr 14 Jul 2019
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      Replying to @zimtyzimtbart

      yes! it's a beautiful field and you'll make a lot of connections (no put intended!) coming from GR

      2:13 PM - 14 Jul 2019
      • 2 Likes
      • Alex Decameron McCall EXTREM :II: TOPOLOGIE FAN
      1 reply 0 retweets 2 likes
        1. Cenobyte‏ @cenobyte3 15 Jul 2019
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          Replying to @InertialObservr @zimtyzimtbart

          Quite affine connection indeed.

          0 replies 0 retweets 3 likes
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