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Interaction-enhanced nesting in spin-fermion and Fermi-Hubbard models

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Publications associées (5)

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Over the past decade, computational atomistic modeling, driven by machine learning (ML), has become indispensable to scientific endeavors, improving our understanding and accelerating the search for compounds with enhanced properties. Traditional atomistic ...

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Large deviations in the early Universe

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Fluctuations play a critical role in cosmology. They are relevant across a range of phenomena from the dynamics of inflation to the formation of structure. In many cases, these fluctuations are coarse grained and follow a Gaussian distribution as a consequ ...

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Estimating heating times in periodically driven quantum many-body systems via avoided crossing spectroscopy

Andreas Martin Läuchli Herzig

Periodic driving of a quantum (or classical) many-body system can alter the system's properties significantly and therefore has emerged as a promising way to engineer exotic quantum phases, such as topological insulators and discrete time crystals. A major ...

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Effective Spin Model for the Spin-Liquid Phase of the Hubbard Model on the Triangular Lattice

Frédéric Mila, Hongyu Yang

We show that the spin-liquid phase of the half-filled Hubbard model on the triangular lattice can be described by a pure spin model. This is based on a high-order strong coupling expansion ( up to order 12) using perturbative continuous unitary transformat ...

2010