Casimir-Lifshitz force between graphene-based structures out of thermal equilibrium
arXiv:2305.18946 · doi:10.1103/PhysRevB.108.115412
Abstract
We study the non equilibrium Casimir-Lifshitz force between graphene-based parallel structures held at different temperatures and in presence of an external thermal bath at a third temperature. The graphene conductivity, which is itself a function of temperature, as well as of chemical potential, allows us to tune in situ the Casimir-Lifshitz force. We explore different non equilibrium configurations while considering different values of the graphene chemical potential. Particularly interesting cases are investigated, where the force can change sign going from attractive to repulsive or where the force becomes non monotonic with respect to chemical potential variations, contrary to the behaviour under thermal equilibrium.
arXiv comment10 pages, 18 figures
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- Tunable non-additivity in Casimir-Lifshitz force between graphene gratings
- Nonequilibrium Casimir-Polder Force between Nanoparticles and Graphene-Coated Silica Plate: Combined Effect of the Chemical Potential and Mass Gap
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- Casimir-Lifshitz force for graphene-covered gratings
- Nonequilibrium Casimir pressure for two graphene-coated plates: Quantum field theoretical approach
- Normal and lateral Casimir-Lifshitz forces between a nanoparticle and a graphene grating