Abstract
Approaches to the sign problem based on the density of states have been recently revived by the introduction of the LLR algorithm, which allows us to compute the density of states itself with exponential error reduction. In this work, after a review of the generalities of the method, we show recent results for the Bose gas in four dimensions, focussing on the identification of possible systematic errors and on methods of controlling the bias they can introduce in the calculation.
Publication Date
2018-01-01
Publication Title
Proceedings of Science
Volume
336
Organisational Unit
School of Engineering, Computing and Mathematics
Recommended Citation
Lucini, B., Francesconi, O., Holzmann, M., & Rago, A. (2018) 'The density of states approach to the sign problem', Proceedings of Science, 336. Retrieved from https://pearl.plymouth.ac.uk/secam-research/207
