I call myself a String Theorist, someone who describes the world in terms of subatomic lengths of string that move in ten dimensions (nine of space and one of time),
But in practice I’m more of a Particle Theorist, describing the world not in terms of short lengths of string but rather with particles that each occupy a single point in space,
More specifically, I’m an Amplitudeologist, part of a trendy new tribe trying to make particle physics predictions a breeze, a tribe which sometimes includes Sheldon Cooper,
In terms of my career, I’m an Assistant Professor, though still on a short-term contract, still seeking fame, fortune, and a place I can actually live for longer than five years,
And what do I work on? Things like these.
This is a blog about my work, my thoughts, and anything I think is interesting enough to post. I’ll try to aim things to a general audience: the hope is that someday the things I’m talking about will be as well known as electrons and protons! So please, drop by and hear about the trials and tribulations of four gravitons and a physicist.
4 gravitons 
Hi Matt,
I have just found your nice blog via your great Ars Technica article 🙂
You are obviously not only an awesome theoretical physicist to be, but a great writer too !
Very cool things you are working on, I am curious about what will come out of this in the future …
Cheers
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Thanks! This is very well done.
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Quick Q, if there are gravitons, how-many are there (as in 4 gauge bosons for electroweak, 8 gluons . . so howmany gravitons)? I know that you gauge SO(4) or something like that . . (from being a PP back in the 1990s . .).
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Just one. There’s actually a theorem that if you have any massless, gravity-like fields, then all such fields must be identical: you can’t have different “colors” of gravity like you can with gluons.
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Any of you and/or other “scattering folks” on Twitter?
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I’ve got a link to my twitter in the header at the top of the blog, and I linked to JJ Carrasco’s twitter in the post. I don’t know any other amplitudes people who are on twitter.
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Maybe I missed who you actually are, but it seems like you have an anonymous or at least non-obvious real identity associated with this blog. Why is that?
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Non-obvious is a good way of putting it. It’s not impossible to find, but it takes some work and some knowledge, which keeps bots and malicious actors from carrying through to my personal life.
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