Random Walks in Rindler Spacetime and String Theory at the Tip of the Cigar

Abstract

In this paper, we discuss Rindler space string thermodynamics from a thermal scalar point of view as an explicit example of the results obtained in JHEP 1402 (2014) 127. We discuss the critical behavior of the string gas and interpret this as a random walk near the black hole horizon. Combining field theory arguments with the random walk path integral picture, we realize (at genus one) the picture put forward by Susskind of a long string surrounding black hole horizons. We find that thermodynamics is dominated by a long string living at string-scale distance from the horizon whose redshifted temperature is the Rindler or Hawking temperature. We provide further evidence of the recent proposal for string theory at the tip of the cigar by comparing with the flat space orbifold approach to Rindler thermodynamics. We discuss all types of closed strings (bosonic, type II and heterotic strings).

54 pages, v2: version accepted for publication in JHEP

References in corpus (4)

• Double Field Theory: A Pedagogical Review
• String theory at the tip of the cigar
• Near-Hagedorn Thermodynamics and Random Walks: a General Formalism in Curved Backgrounds
• Strings in Horizons, Dissipation and a Possible Interpretation of the Hagedorn Temperature

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