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We explore different skyrmion types in the lowest Landau level of graphene ata filling factor $\nu=\pm 1$. In addition to the formation of spin and valleypseudospin skyrmions, we show that another type of spin-valley entangledskyrmions can be stabilized in graphene due to an approximate SU(4) spin-valleysymmetry that is affected by sublattice symmetry-breaking terms. Theseskyrmions have a clear signature in spin-resolved density measurements on thelattice scale, and we discuss the expected patterns for the different skyrmiontypes.

SU(4) Skyrmions in the $\nu=\pm 1$ Quantum Hall State of Graphene