Present and future of CosmoLattice
arXiv:2312.15056 · doi:10.1088/1361-6633/ad616a
Abstract
We discuss the present state and planned updates of CosmoLattice, a cutting-edge code for lattice simulations of non-linear dynamics of scalar-gauge field theories in an expanding background. We first review current capabilities of the code, including the simulation of interacting singlet scalars and of Abelian and non-Abelian scalar-gauge theories. We also comment on new features recently implemented, such as the simulation of gravitational waves from scalar and gauge fields. Secondly, we discuss new extensions of CosmoLattice that we plan to release publicly. On the one hand, we comment on new physics modules, which include axion-gauge interactions , non-minimal gravitational couplings , creation and evolution of cosmic defect networks, and magneto-hydro-dynamics (MHD). On the other hand, we discuss new technical features, including evolvers for non-canonical interactions, arbitrary initial conditions, simulations in 2+1 dimensions, and higher accuracy spatial derivatives.
Invited article for Reports on Progress in Physics, matches published version. 20 pages + references
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Cited by in corpus (4)
- Revisiting evolution of domain walls and their gravitational radiation with CosmoLattice
- The non-linear dynamics of axion inflation: a detailed lattice study
- Gravitational wave and particle emission from a cosmic string loop: local case
- Ephemeral Oscillons in Scalar-Tensor Theories: The Higgs-like case