### Abstract

We calculate the boundary S-matrix for the open antiferromagnetic spin- 1/2 isotropic Heisenberg chain with boundary magnetic fields. Our approach, which starts from the model's Bethe-ansatz solution, is an extension of the Korepin-Andrei-Destri method. Our result agrees with the boundary S-matrix for the boundary sine-Gordon model with beta ^{2} to 8 pi and with 'fixed' boundary conditions.

Original language | English (US) |
---|---|

Article number | 025 |

Pages (from-to) | 1027-1045 |

Number of pages | 19 |

Journal | Journal of Physics A: General Physics |

Volume | 28 |

Issue number | 4 |

DOIs | |

State | Published - 1995 |

Externally published | Yes |

### Fingerprint

### ASJC Scopus subject areas

- Mathematical Physics
- Physics and Astronomy(all)
- Statistical and Nonlinear Physics

### Cite this

*Journal of Physics A: General Physics*,

*28*(4), 1027-1045. [025]. https://doi.org/10.1088/0305-4470/28/4/025

**Direct calculation of the boundary S-matrix for the open Heisenberg chain.** / Grisaru, M. T.; Mezincescu, Alexandru; Nepomechie, Rafael.

Research output: Contribution to journal › Article

*Journal of Physics A: General Physics*, vol. 28, no. 4, 025, pp. 1027-1045. https://doi.org/10.1088/0305-4470/28/4/025

}

TY - JOUR

T1 - Direct calculation of the boundary S-matrix for the open Heisenberg chain

AU - Grisaru, M. T.

AU - Mezincescu, Alexandru

AU - Nepomechie, Rafael

PY - 1995

Y1 - 1995

N2 - We calculate the boundary S-matrix for the open antiferromagnetic spin- 1/2 isotropic Heisenberg chain with boundary magnetic fields. Our approach, which starts from the model's Bethe-ansatz solution, is an extension of the Korepin-Andrei-Destri method. Our result agrees with the boundary S-matrix for the boundary sine-Gordon model with beta 2 to 8 pi and with 'fixed' boundary conditions.

AB - We calculate the boundary S-matrix for the open antiferromagnetic spin- 1/2 isotropic Heisenberg chain with boundary magnetic fields. Our approach, which starts from the model's Bethe-ansatz solution, is an extension of the Korepin-Andrei-Destri method. Our result agrees with the boundary S-matrix for the boundary sine-Gordon model with beta 2 to 8 pi and with 'fixed' boundary conditions.

UR - http://www.scopus.com/inward/record.url?scp=21844487326&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=21844487326&partnerID=8YFLogxK

U2 - 10.1088/0305-4470/28/4/025

DO - 10.1088/0305-4470/28/4/025

M3 - Article

AN - SCOPUS:21844487326

VL - 28

SP - 1027

EP - 1045

JO - Journal of Physics A: Mathematical and Theoretical

JF - Journal of Physics A: Mathematical and Theoretical

SN - 1751-8113

IS - 4

M1 - 025

ER -