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cond-mat.mes-hall2023
Fractional Topological Charges in 2D Magnets
Nina del Ser, Imane El Achchi, Achim Rosch
Magnetic skyrmions and antiskyrmions are characterised by an integer topological charge , describing the winding of the magnetic orientation. Half-integer windin…
cond-mat.str-el2023★ 3 cited
Gauged cooling of topological excitations and emergent fermions on quantum simulators
Gilad Kishony, Mark S. Rudner, Achim Rosch +1
Simulated cooling is a robust method for preparing low-energy states of many-body Hamiltonians on near-term quantum simulators. In such schemes, a subset of the simulator's spins (…