About: Calculating the Amplitudihedron   Sponge Permalink

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I was watching Nima's very popular talk (download if you're using chrome) (also mirrored at youtube here about the "Amplitudihedron", which has suddenly become very popular recently. He talks all about how the Amplitudihedron computes the same result for the scattering amplitudes as ordinary peturbation theory in a simple and elegant way, but I fail to understand how one actually computes the Amplitudihedron for a certain scattering process anyway? I'm especially stunned by the image (looks like a sort of a concrete example, don't know how they constructed the amplituhedron):

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  • Calculating the Amplitudihedron
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  • I was watching Nima's very popular talk (download if you're using chrome) (also mirrored at youtube here about the "Amplitudihedron", which has suddenly become very popular recently. He talks all about how the Amplitudihedron computes the same result for the scattering amplitudes as ordinary peturbation theory in a simple and elegant way, but I fail to understand how one actually computes the Amplitudihedron for a certain scattering process anyway? I'm especially stunned by the image (looks like a sort of a concrete example, don't know how they constructed the amplituhedron):
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  • Physics Stack Exchange
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  • Lubos Motl
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  • I was watching Nima's very popular talk (download if you're using chrome) (also mirrored at youtube here about the "Amplitudihedron", which has suddenly become very popular recently. He talks all about how the Amplitudihedron computes the same result for the scattering amplitudes as ordinary peturbation theory in a simple and elegant way, but I fail to understand how one actually computes the Amplitudihedron for a certain scattering process anyway? As per the recent TRF posts about Amplitudihedrons and why they don't wear diapers, I can understand that one may calculate the scattering amplitudes by simply taking the volume of the Amplitudihedrons (ignoring constants, I guess), but how does one actually calculate the amplituhedron? I'm especially stunned by the image (looks like a sort of a concrete example, don't know how they constructed the amplituhedron): To summarise my question, how does one actually figure out, or construct, the amplituhedron based on the specific scattzering process? Dimension10 Talk Edits 06:40, November 8, 2013 (UTC)
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