Far-field heat and angular momentum radiation of the Haldane model

Abstract

We investigate the radiation of energy and angular momentum from 2D topological systems with broken inversion symmetry and time reversal symmetry. A general theory of far-field radiation is developed using the linear response of 2D materials to the fluctuational electromagnetic field. Applying the theory to the Haldane model, we verify that the heat radiation complies with Planck's law only at low temperature and deviates from it as temperature becomes high. Angular momentum radiation is possible for this system and exhibits saturation as temperature increases. Parameters crucial to the radiation are investigated and optimized. This research enlightens the possibility of transposing the quantum information to the angular momentum degree of freedom.

arXiv comment18 pages, 5 figures

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Cited by in corpus (4)

• Controllable thermal radiation from twisted bilayer graphen
• Quantum interference and the time-dependent radiation of nanojunctions
• Electroluminescence and thermal radiation from metallic carbon nanotubes with defects
• Analytical formulas for far-field radiated energy and angular momentum of metallic thin films