| Detection significance  | 5.2 (>1500)   | ---        | Â
Visualization (Fig. 6)
 Â
Left: RSH spiral-phase \(B\)-mode map (=0.8). Right: Gaussian CDM simulation.* Â
5. Experimental Feasibility Â
- LiteBIRD Sensitivity: Requires > 1000 to resolve > 0.5 (achievable with 1-year data). Â
- Systematics Control: Â
 - Beam asymmetry: Subtract synthetic beam maps. Â
 - Galactic foregrounds: Use **Commander** component separation. Â
Key References
- Zaldarriaga & Seljak (1997) -- CMB polarization formalism. Â