Determination of the correlation length from short-time dynamics

✍ Scribed by A. Jaster

• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 120 KB
• Volume: 258
• Category: Article
• ISSN: 0375-9601
• DOI: 10.1016/s0375-9601(99)00348-5

✦ Synopsis

We investigate the short-time dynamic relaxation of the two-dimensional XY model in the high temperature phase. Starting from the ordered state, we measure the autocorrelation function and determine the autocorrelation time. It is shown that apart from a constant the equilibrium spatial correlation length can be calculated in this way.