Covariant and quasi-covariant quantum dynamics in Robertson-Walker space-times

Detlev Buchholz, Jens Mund, Stephen J. Summers
July 06, 2002
open access link
Class.Quant.Grav. 19 (2002) 6417-6434

Transplantation of Local Nets and Geometric Modular Action on Robertson-Walker Space-Times

Detlev Buchholz, Jens Mund, Stephen J. Summers
November 27, 2000
open access link
Mathematical physics in mathematics and physics (Siena, 2000), 65--81, Fields Inst. Commun. 30, Amer. Math. Soc., Providence, RI, 2001.