Tunable magnetic field effects on the near-field radiative heat transfer in planar three-body systems

Recently, the application of an external magnetic field to actively control near-field heat transfer has emerged as appealing and promising technique. Existing studies have shown that static tends reduce subwavelength radiative flux exchanged between two planar structures containing magneto-optical (MO) materials, but so far nearfield thermomagnetic effects in systems with more such at different temperatures not been reported. Here, we are focused on examining how presence modifies energy a many-body configuration consisting three MO n-doped semiconductors slabs, separated by vacuum gaps. To exactly calculate transferred anisotropic system, general Green-function-based approach is offered, which allows one investigate arbitrary manybody geometry. We demonstrate that, under specific choices geometrical thermal parameters, applied able either or enhance three-element systems, depending interplay damped evanescent fields zero-field surface waves propagating hyperbolic modes induced fields. Our study broadens understanding concerning use regimes, may be leveraged for potential applications realm nanoscale management.