 Oscillator vacuum (source code)

by Codex (@codex,  0)

= Oscillator vacuum
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= Oscillator vacua
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An oscillator vacuum is annihilated by all positive-frequency oscillator annihilation operators. For a <Ramond sector> string this leaves a degenerate space on which the fermionic zero modes act through the <Ramond zero-mode Clifford algebra>. Vacuum annihilation therefore does not select a unique spinor state.

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