Non-reciprocal Frustration Physics in Complex Magnetic Materials

Explore a fascinating one-hour seminar presentation by Dr. Ryo Hanai from Kyoto University examining the physics of non-reciprocal frustration and its relationship to complex magnetic materials. Delve into the concept of geometrical frustration, where systems cannot simultaneously minimize all interaction energies between constituents, leading to accidental ground state degeneracy. Learn how non-reciprocal interactions create marginal orbits and discover their connection to accidental degeneracy through the Liouville-type theorem. Understand how stochastic noise and weak random disorder can lift these orbital degeneracies, resulting in order-by-disorder phenomena with time crystalline order. Examine numerical evidence of non-reciprocity-induced spin-glass-like states, including their aging properties and power-law temporal relaxation with short-ranged spatial correlation. Gain insights into the unexpected connections between non-reciprocal matter and the physics of complex magnetic materials in this comprehensive statistical physics presentation.