Polyakov strings in background fields Wave functions and quantum cosmology

Details Polyakov strings in background fields Wave functions and quantum cosmology Polyakov strings in background fields Wave functions and quantum cosmology

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988nuphb.297..748l&link_type=abstract

Nuclear Physics B, Volume 297, Issue 4, p. 748-764.

Physics

Nuclear Physics

10

Scientific paper

The wave functions or density matrices of superstring theories in curved spacetimes may be used to illuminate the origin and development of the very early universe. A path integral prescription for the ground state due to Hartle and Hawking has been adapted. This involves an integration over fermionic and bosonic strings with boundaries in a curved spacetime background. The wave functions and density matrices of strings in flat spacetime at zero and finite temperatures have been found this way. Some properties of strings in Calabi-Yau compactified backgrounds are also discussed.

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