Extended Data Fig. 6: Upstream neutral modes in ν = 5/2 and ν = 8/3. | Nature

Extended Data Fig. 6: Upstream neutral modes in ν = 5/2 and ν = 8/3.

From: Observation of half-integer thermal Hall conductance

Extended Data Fig. 6

a, b, The noise measured at an upstream floating contact connected to the cold amplifier (with respect to ground) is clear evidence of upstream neutral modes. Such upstream noise is not found in particle-like states21.

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