Prethermal nematic order and staircase heating in a driven frustrated Ising magnet with dipolar interactions

Abstract

Many-body systems subject to a high-frequency drive can show intriguing thermalization behavior. Prior to heating to a featureless infinite-temperature state, these systems can spend an exponentially long time in prethermal phases characterized by various kinds of order. Here, we uncover the rich non-equilibrium phase diagram of a driven frustrated two-dimensional Ising magnet with competing short-range ferromagnetic and long-range dipolar interactions. We show that the ordered stripe and nematic phases, which appear in equilibrium as a function of temperature, underpin subsequent prethermal phases in a new multi-step heating process en route towards the ultimate heat death. We discuss implications for experiments on ferromagnetic thin films and other driving induced phenomena in frustrated magnets.

arXiv comment6 pages + 4 figures

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Cited by in corpus (8)

• Out-of-equilibrium dynamics of quantum many-body systems with long-range interactions
• Non-reciprocal frustration: time crystalline order-by-disorder phenomenon and a spin-glass-like state
• Prethermal time-crystalline spin ice and monopole confinement in a driven magnet
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• Floquet-engineered Emergent Massive Nambu-Goldstone Modes
• Apparent bistability from weak long-range interactions
• Floquet thermalization by power-law induced permutation symmetry breaking