2.10 A spacetime orbifold in two dimensions, 3

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A First Course in String Theory

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(b) Draw a spacetime diagram, indicate the \displaystyle{x^+} and \displaystyle{x^-} axes, and sketch the family of curves

\displaystyle{x^+ x^- = a^2},

where \displaystyle{a > 0} is a real constant that labels the various curves.

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— Me@2021-08-31 08:42:40 PM

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