Talk:Hard hexagon model

What exactly is this activity variable? It appears to function as a kind of temperature. Is it the same as the fugacity (related to the chemical potential), which is sometimes seen in relation to the grand canonical ensemble? —Preceding unsigned comment added by 62.48.148.126 (talk) 22:01, 21 January 2011 (UTC)


 * I updated the page, hopefully clarifying this point. --Nanite (talk) 08:53, 13 February 2016 (UTC)