Fluctuations and irreversibility: An experimental demonstration of a second-law-like theorem using a colloidal particle held in an optical trap

Carberry, D. M., Reid, J. C., Wang, G. M., Sevick, E. M., Searles, D. J., & Evans, D. J. (2004). Fluctuations and irreversibility: An experimental demonstration of a second-law-like theorem using a colloidal particle held in an optical trap. Physical Review Letters, 92(14). https://doi.org/10.1103/PhysRevLett.92.140601