2 papers
astro-ph.HE2017
Scale-invariance in soft gamma repeaters
Zhe Chang, Hai-Nan Lin, Yu Sang +1
The statistical properties of the soft gamma repeater SGR J1550--5418 are investigated carefully. We find that the cumulative distributions of fluence, peak flux and duration can b…
quant-ph2008
Topology Changes and Quantum Phase Transition in Spin-Chain System
Zhe Chang, Ping Wang
The standard Landau-Ginzburg scenario of phase transition is broken down for quantum phase transition. It is difficult to find an order parameter to indicate different phases for q…