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Fractionally Charged Color Singlets
1982Larue, Phillips, and Fairbank have reported the observation of excess charges ±1/3 e on cold Nb spheres1,2. Since every schoolboy now knows that color is permanently confined (except perhaps at the very high temperatures of the early universe), this observation implies the existence of a new kind of particle, a fractionally charged color singlet which ...
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Fractional Chern insulators in magic-angle twisted bilayer graphene
Nature, 2021Yonglong Xie +2 more
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Signatures of fractional quantum anomalous Hall states in twisted MoTe2
Nature, 2023, Eric Anderson, Chong Wang
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Thermodynamic evidence of fractional Chern insulator in moiré MoTe2
Nature, 2023, Patrick Knüppel, Kenji Watanabe
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Observation of fractional edge excitations in nanographene spin chains
Nature, 2021Shantanu Mishra +2 more
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Trapped fractional charges at bulk defects in topological insulators
Nature, 2021Christopher W Peterson +2 more
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Correlated insulating states at fractional fillings of moiré superlattices
Nature, 2020Yang Xu, Song Liu, Daniel A Rhodes
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Continued Fractions and the Four Color Theorem
Journal of Experimental MathematicsWe study the geometry of some proper 4-colorings of the vertices of sphere triangulations with degree sequence 6,...,6,2,2,2. Such triangulations are the simplest examples which have non-negative combinatorial curvature. The examples we construct, which are roughly extremal in some sense, are based on a novel geometric interpretation of continued ...
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Fractional antiferromagnetic skyrmion lattice induced by anisotropic couplings
Nature, 2020H Diego Rosales +2 more
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Odd- and even-denominator fractional quantum Hall states in monolayer WSe2
Nature Nanotechnology, 2020Qianhui Shi +2 more
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