| Issue |
EPJ Web Conf.
Volume 274, 2022
XVth Quark Confinement and the Hadron Spectrum Conference (ConfXV)
|
|
|---|---|---|
| Article Number | 08001 | |
| Number of page(s) | 6 | |
| Section | 8 - Parallel Track G | |
| DOI | https://doi.org/10.1051/epjconf/202227408001 | |
| Published online | 22 December 2022 | |
https://doi.org/10.1051/epjconf/202227408001
Kernel controlled real-time Complex Langevin simulation
Faculty of Science and Technology, University of Stavanger, NO-4021 Stavanger, Norway
* e-mail: daniel.alvestad@uis.no
** e-mail: rasmus.n.larsen@uis.no
*** e-mail: alexander.rothkopf@uis.no
Published online: 22 December 2022
This study explores the utility of a kernel in complex Langevin simulations of quantum real-time dynamics on the Schwinger-Keldysh contour. We give several examples where we use a systematic scheme to find kernels that restore correct convergence of complex Langevin. The schemes combine prior information we know about the system and the correctness of convergence of complex Langevin to construct a kernel. This allows us to simulate up to 2β on the real-time Schwinger-Keldysh contour with the 0 + 1 dimensional anharmonic oscillator using m = 1; λ = 24, which was previously unattainable using the complex Langevin equation.
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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