Vacuum energy cancellation in a nonsupersymmetric string

Journal Article · Sat May 01 00:00:00 EDT 1999 · Physical Review, D

DOI:https://doi.org/10.1103/PhysRevD.59.106004· OSTI ID:337603

Kachru, S ^[1]; Kumar, J ^[2]; Silverstein, E ^[3]

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1. Department of Physics, University of California at Berkeley, Berkeley, California 94720 (United States)
2. Department of Physics, Stanford University, Stanford, California 94305 (United States)
3. Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309 (United States)

We present a nonsupersymmetric orbifold of type II string theory and show that it has a vanishing cosmological constant at the one and two loop levels. We argue heuristically that the cancellation may persist at higher loops. {copyright} {ital 1999} {ital The American Physical Society}

• OSTI ID: 337603
• Journal Information: Physical Review, D, Vol. 59, Issue 10; Other Information: PBD: May 1999
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
STRING MODELS
COSMOLOGICAL CONSTANT
PERTURBATION THEORY
SUPERSYMMETRY
SYMMETRY BREAKING