Singularities in String Theory
Singularities in String Theory
Singularities in String Theory
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Results from str<strong>in</strong>g perturbation theory<br />
Liu, Moore, Seiberg<br />
Horowitz, Polch<strong>in</strong>ski<br />
• For special k<strong>in</strong>ematics the str<strong>in</strong>g amplitudes<br />
diverge.<br />
• The energy of an <strong>in</strong>com<strong>in</strong>g particle is blue<br />
shifted to <strong>in</strong>f<strong>in</strong>ity by the contraction at the<br />
s<strong>in</strong>gularity, which generates <strong>in</strong>f<strong>in</strong>itely large<br />
gravitational field and distorts the geometry.
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