Diffusion driven by temperature or concentration gradients is a fundamental mechanism of
energy and mass transport that inherently differs from wave propagation in both physical …

Nanophotonic engineering provides an effective platform to manipulate thermal emission on-
demand, enabling unprecedented heat management superior to conventional bulk …

Controlling emission and absorption, and radiative heat transfer, is important for photonic
energy conversion and thermal management. However, the reciprocal emission and …

Regarded as a promising alternative to spatially shaping matter, time-varying media can be
seized to control and manipulate wave phenomena, including thermal radiation. Here …

The ability to break Kirchhoff's law is of fundamental importance in thermal radiation. Various
nonreciprocal emitters have been proposed to break the balance between absorption and …

The emission of thermal radiation is a physical process of fundamental and technological
interest. From different approaches, thermal radiation can be regarded as one of the basic …

The traditional approach to studying near-field thermal transfer is based on fluctuational
electrodynamics. However, this approach may not be suitable for nonequilibrium states due …

To violate Kirchhoff s law is very important in the areas of thermal radiation. However, due to
the weak nonreciprocity in natural materials, it is necessary to engineer novel structures to …

Thermal nanophotonics has undergone a revolution in recent decades, benefiting from in-
depth studies in nano-optics and breakthroughs in nanotechnologies. The majority of …

Thermodynamics strongly restricts the direction of heat flow in static macroscopic thermal
diffusive systems. To overcome this constraint, spatiotemporal modulated systems are used …