13 papers
Diversity of Galaxy Centers from Small-Scale Isocurvature
Jessica N. Lopez-Sanchez, Wen Yin
The observed diversity of galaxy centers motivates the possibility that the local dark matter composition may vary among galaxies. In conventional multicomponent dark matter scenar…
Tracking real-space quantum state breathing through Floquet-projector geometry
Arpit Raj, Johannes Mitscherling, Björn Trauzettel
Periodic driving of spatially periodic quantum systems generates band structures that are absent in static crystals. We present a quantum geometric theory to characterize the Floqu…
Constant Scaling Fails for Global Monopole Networks
Wakutaka Nakano, Wen Yin
Global monopoles, which can also be understood as the zero-gauge-coupling limit of gauged monopoles, can form in the early Universe and evolve following a scaling network, as do ot…
PBHs and GWs from Scaling Monopoles
Daiki Aburatani, Wakutaka Nakano, Wen Yin
Monopoles with sufficiently weak gauge couplings, or from global symmetries, can form scaling networks in the early Universe whose average energy density tracks the cosmological ba…
Spontaneous Baryogenesis from Axions on Induced Electroweak Walls
Miguel Vanvlasselaer, Wen Yin
We propose a baryogenesis mechanism in which an electroweak phase boundary is induced by a wall-like configuration of a scalar field, such as a domain wall or a shock wave, coupled…
The COSMIC WISPers White Paper: The physics case for Weakly Interacting Slim Particles
Ariel Arza, Deniz Aybas, Shyam Balaji +124
Axions and other very weakly interacting slim particles (WISPs), with masses below 1 GeV, arise naturally in many extensions of the Standard Model of particle physics. In particula…