Erratum to: Gauge-independent emission spectra and quantum correlations in the ultrastrong coupling regime of open system cavity-QED

Affiliations

• ¹ Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, ON K7L 3N6, Canada.
• ² Department of Applied Physics, Stanford University, Stanford, CA 94305, USA.
• ³ Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università di Messina, I-98166 Messina, Italy.
• ⁴ Instituto de Ciencia de Materiales de Aragón and Departamento de Física de la Materia Condensada, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain.
• ⁵ Fundación ARAID, Campus Río Ebro, 50018 Zaragoza, Spain.
• ⁶ Theoretical Quantum Physics Laboratory, RIKEN Cluster for Pioneering Research, Wako-shi, Saitama 351-0198, Japan.
• ⁷ Physics Department, The University of MI, Ann Arbor, MI 48109-1040, USA.