Fig. 3: Spontaneous breaking of TRS. | Nature

Fig. 3: Spontaneous breaking of TRS.

From: Evidence for an atomic chiral superfluid with topological excitations

Fig. 3

a, Evolution of chirality, which is characterized by the mean value of |χ|. The inset specifies the definition of χ. The error bars denote the s.e.m. for 46 experimental runs. b, Stacked histograms of χ for different holding times. c, In situ absorption images are recorded of a plane oriented perpendicular to the x–y plane for various holding times in the lattice. A stream of atoms escapes from the trap along the direction of gravity (−z axis) for holding times between ten and several hundred microseconds.

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