Jie-Jun Tseng

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magnetic field Tzuu-Kang Chyi, Chien-Wen Hwang, W. F. Kao, Guey-Lin Lin, Kin-Wang Ng, Jie-Jun Tseng Institute of Physics, National Chiao-Tung University, Hsinchu, Taiwan Institute of Physics, Academia Sinica, Taipei, Taiwan (December 16, 1999) The weak-field expansion of the charged fermion propagator under a uniform magnetic field is studied. Starting from(More)
We conduct a market experiment with human agents in order to explore the structure of transaction networks and to study the dynamics of wealth accumulation. The experiment is carried out on our platform for 97 days with 2,095 effective participants and 16,936 times of transactions. From these data, the hybrid distribution (log-normal bulk and power-law(More)
We study the neutrino-photon processes such as γγ → νν̄ and νγ → νγ in a background magnetic field smaller than the critical magnetic field Bc ≡ me/e. Using Schwinger’s proper-time method, we extract leading magneticfield contributions to the above processes. Our result is valid throughout the kinematic regime where both neutrino and photon energies are(More)
Human activities can play a crucial role in the statistical properties of observables in many complex systems such as social, technological and economic systems. We demonstrate this by looking into the heavy-tailed distributions of observables in fatal plane and car accidents. Their origin is examined and can be understood as stochastic processes that are(More)
We compare the tau neutrino flux arising from the galaxy and the earth atmosphere for 10 ≤ E/GeV ≤ 10. The intrinsic and oscillated tau neutrino fluxes from both sources are considered. We find that, for E ≥ 10 GeV, the oscillated ντ flux along the galactic plane dominates over the maximal intrinsic atmospheric ντ flux, i.e., the flux along the horizontal(More)
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