January 23, 2025
      
                  
        
  Author(s)
  Noah  Schlossberger,   Andrew  Rotunno,   Stephen  Eckel,   Eric  Norrgard,   Dixith  Manchaiah,   Nikunjkumar  Prajapati,   Alexandra  Artusio-Glimpse,   Samuel  Berweger,   Matthew  Simons,   Dangka  Shylla,   William  Watterson,   Charles  Patrick,   Adil  Meraki,   Rajavardhan  Talashila,   Amanda  Younes,   David  La Mantia,   Christopher  Holloway
 
       
            
    
    
        Rydberg states of alkali-metal atoms are highly sensitive to electromagnetic radiation in the GHz-to-THz regime because their transitions have large electric dipole moments. Consequently, environmental blackbody radiation (BBR) can couple Rydberg states to