Field-Controlled Breaking and Restoration of Parity-Time Symmetry in Josephson Interference

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Fig 1_Description: 1a_Fraunhofer.txt contains the data used to generate the Fraunhofer interference pattern shown in Fig. 1a.1b_0 degree_negative.txt and 1b_0 degree_positive.txt contain the positive- and negative-current branches, respectively, measured at an in-plane field angle of 0 degree. 1b_180 degree_negative.txt and 1b_180 degree_positive.txt contain the positive- and negative-current branches, respectively, measured at an in-plane field angle of 180 degree. ---- Fig 2_Description: 2a_0 degree.txt, 2a_90 degree.txt, 2a_180 degree.txt, 2a_270 degree.txt, and 2a_360 degree.txt contain the shifted current traces as a function of out-of-plane magnetic field Bz measured at the corresponding in-plane field angles shown in Fig. 2a, with Bin=40 mT. 2b.txt contains the differential resistance data as a function of bias current I and out-of-plane magnetic field Bz used to generate the color map in Fig. 2b. 2c_30mT.txt and 2c_40mT.txt contain the angular dependence of I_diff measured at Bin=30 mT and 40 mT, respectively, shown in Fig. 2c.2d_30mT.txt and 2d_40mT.txt contain the angular dependence of I_max measured at Bin=30 mT and 40 mT, respectively, shown in Fig. 2d. The last two .dat files contain the theoretically-calculated data of the angular-dependent asymmetry and critical current, shown in Figs. 2(e) and (f). The parameter values for each data set are indicated in the filename.---- Fig 3_Description: 3a_5mT.txt, 3a_20mT.txt, 3a_40mT.txt, 3a_50mT.txt, and 3a_70mT.txt contain the shifted current traces as a function of out-of-plane magnetic field Bz measured at θ=0 degree for the corresponding in-plane magnetic fields Bin, as shown in Fig. 3a. 3b_5mT.txt, 3b_20mT.txt, 3b_40mT.txt, 3b_50mT.txt, and 3b_70mT.txt contain the corresponding shifted current traces measured at θ=90 degree, as shown in Fig. 3b. The last ten .dat files contain the theoretically-calculated data of the interference patterns for \theta = 0 and \theta = 90 degs, shown in Figs. 3(c) and 3(d) respectively. ------ Fig 4_Description: 4b_bottom.txt and 4b_top.txt contain the differential resistance dV/dI as a function of bias current I and out-of-plane magnetic field Bz, measured at Bin=50 mT and θ=90 degree, used to generate the lower- and upper-current regions of Fig. 4b, respectively. 4c_bottom left.txt, 4c_bottom right.txt, and 4c_top.txt contain the differential resistance dV/dI as a function of bias current I and out-of-plane magnetic field Bz, measured at Bin=50 mT, used to generate the bottom-left (θ=180 degree), bottom-right (θ=0 degree), and top (θ=0 degree) panels of Fig. 4c, respectively.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.