String theory spectrum derivation

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String theory spectrum derivation

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How can I find the spectrum of the open bosonic string?

Say we are given\[\sum_{n=1}^{\infty}\alpha_{-n}\alpha_n=1=\alpha'M^2 \]

What is a consistent way of deriving the spectrum from this relation?

asked Mar 18, 2020 in Theoretical Physics by vacua (5 points) [ no revision ]

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