# Interactions for winding strings in Misner space

## Abstract

We compute correlation functions of closed strings in Misner space, which is a big crunch/big bang universe. We develop a general method for correlators with twist fields, which are relevant for the investigation of the condensation of winding tachyons. We propose to compute the correlation functions by performing an analytic continuation of the results in the C/Z{sub N} Euclidean orbifold. In particular, we obtain a finite result for a general four point function of twist fields, which might be important for the interpretation as the quartic term of the tachyon potential. Three point functions are read off through the factorization.

- Authors:

- DESY Theory Group, Notkestrasse 85, D-22603 Hamburg (Germany)

- Publication Date:

- OSTI Identifier:
- 21011117

- Resource Type:
- Journal Article

- Resource Relation:
- Journal Name: Physical Review. D, Particles Fields; Journal Volume: 75; Journal Issue: 4; Other Information: DOI: 10.1103/PhysRevD.75.046002; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CORRELATION FUNCTIONS; COSMOLOGY; EUCLIDEAN SPACE; FACTORIZATION; POTENTIALS; QUANTUM FIELD THEORY; SPACE-TIME; STRING MODELS; TACHYONS; UNIVERSE

### Citation Formats

```
Hikida, Yasuaki.
```*Interactions for winding strings in Misner space*. United States: N. p., 2007.
Web. doi:10.1103/PHYSREVD.75.046002.

```
Hikida, Yasuaki.
```*Interactions for winding strings in Misner space*. United States. doi:10.1103/PHYSREVD.75.046002.

```
Hikida, Yasuaki. Thu .
"Interactions for winding strings in Misner space". United States.
doi:10.1103/PHYSREVD.75.046002.
```

```
@article{osti_21011117,
```

title = {Interactions for winding strings in Misner space},

author = {Hikida, Yasuaki},

abstractNote = {We compute correlation functions of closed strings in Misner space, which is a big crunch/big bang universe. We develop a general method for correlators with twist fields, which are relevant for the investigation of the condensation of winding tachyons. We propose to compute the correlation functions by performing an analytic continuation of the results in the C/Z{sub N} Euclidean orbifold. In particular, we obtain a finite result for a general four point function of twist fields, which might be important for the interpretation as the quartic term of the tachyon potential. Three point functions are read off through the factorization.},

doi = {10.1103/PHYSREVD.75.046002},

journal = {Physical Review. D, Particles Fields},

number = 4,

volume = 75,

place = {United States},

year = {Thu Feb 15 00:00:00 EST 2007},

month = {Thu Feb 15 00:00:00 EST 2007}

}

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