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Explaining the DAMPE data with scalar dark matter and gauged interaction
Junjie Cao, Lei Feng, Xiaofei Guo +4
Inspired by the peak structure observed by recent DAMPE experiment in cosmic-ray spectrum, we consider a scalar dark matter (DM) model with gauged symmetr…
Interpretations of the DAMPE electron data
Qiang Yuan, Lei Feng, Peng-Fei Yin +26
The DArk Matter Particle Explorer (DAMPE), a high energy cosmic ray and -ray detector in space, has recently reported the new measurement of the total electron plus positron flu…
Scalar dark matter interpretation of the DAMPE data with U(1) gauge interactions
Junjie Cao, Lei Feng, Xiaofei Guo +3
Recently, DAMPE experiment released the new measurement of the total cosmic flux between 25 GeV and 4.6 TeV which indicates a spectral softening at around 0.9 TeV and a te…
Constraints on box-shaped cosmic ray electron feature from dark matter annihilation with the AMS-02 and DAMPE data
Lei Zu, Cun Zhang, Lei Feng +2
Precise measurements of spectra of cosmic ray electrons and positrons can effectively probe the nature of dark matter (DM) particles. In a class of models where DM particles initia…
Collective emission of matter-wave jets from driven Bose-Einstein condensates
Logan W. Clark, Anita Gaj, Lei Feng +1
Scattering is an elementary probe for matter and its interactions in all areas of physics. Ultracold atomic gases provide a powerful platform in which control over pair-wise intera…
Coherent inflationary dynamics for Bose-Einstein condensates crossing a quantum critical point
Lei Feng, Logan W. Clark, Anita Gaj +1
Quantum phase transitions, transitions between many-body ground states, are of extensive interest in research ranging from condensed matter physics to cosmology. Key features of th…