twistor59

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I'm an ex-twistor theorist who worked on the original twistor programme until 1984, when I decided that I wasn't clever enough to be a mathematical physicist ! Have worked in industry since then and am now trying to catch up on what has been happening in physics.


165 Answers

newest activity votes
16
Irreducible tensors concept
15
Why is the covariant derivative of the metric tensor zero?
10
Does a finite wave necessarily have to be non-monochromatic in reality?
9
Is time Scalar or Vector
9
Is there Pair production in between charged plates
8
Is the quantization of gravity necessary for a quantum theory of gravity?
8
Chern-Simons term
8
MVH amplitudes and the unitarity method
8
Relation between unitarity and conservation of probability
7
First and second fundamental forms
7
Are photons deterministic?
7
What is the weight equation through general relativity?
7
Has the concept of non-integer $(n+m)$-dimensional spacetime ever been investigated by theoretical physicists?
7
The meaning of imaginary time
7
Entanglement spectrum
7
Why singularity in a black hole, and not just “very dense”?
6
Laplace operator's interpretation
6
Magnetic monopoles
6
Can the path of a charged particle under the influence of a magnetic field be considered piecewise linear?
6
What are the differences between indistinguishable and identical?
6
Connection between quantum physics and consciousness
6
Don't understand the integral over the square of the Dirac delta function
6
Was uncertainty principle inferred by Fourier analysis?
6
Homotopy $\pi_4(SU(2))=\mathbb{Z}_2$
6
Disproving a refutation of quantum mechanics (QM) via a calculation of the ground state of the helium atom
6
Gentle introduction to twistors
6
How can there be a path to ground with thick shoes and a carpet?
5
Can a dot of light travel faster than the speed of light?
5
Does universal wave function exist?
5
Qubit, one or two complex numbers?
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