Thank you for the help, I will read the source code to derive the precise expression. Best regards, Rachele 2013/5/29 Matthias Troyer <troyer@phys.ethz.ch>:

It is calculated from the variance of the energy. Please take a look at the source code if you want to know more details.

Best regards

Matthias troyer

On May 29, 2013, at 3:57 AM, Rachele Nerattini <r.nerattini@gmail.com> wrote:

...

Dear Prof. Troyer,

I need to know which is the exact expression used by the command spinmc_evaluate to evaluate the specific heat the Monte Carlo simulation of classical O(n) models.

Thank you for the information

Rachele Nerattini -- ===============================================================================

Rachele Nerattini Dip. di Fisica e Astronomia, Università di Firenze and INFN, sez. di Firenze, Via G. Sansone, 1, 50019 Sesto Fiorentino (FI), Italy office phone: +39 0554572326 e-mail: r.nerattini@gmail.com ===============================================================================

-- =============================================================================== Rachele Nerattini Dip. di Fisica e Astronomia, Università di Firenze and INFN, sez. di Firenze, Via G. Sansone, 1, 50019 Sesto Fiorentino (FI), Italy office phone: +39 0554572326 e-mail: r.nerattini@gmail.com ===============================================================================