TY - JOUR AU - Ruiz Ruiz, Fernando AU - Redmount, Ian H. PY - 1989 DO - 10.1103/PhysRevD.39.2289 SN - 0556-2821 UR - https://hdl.handle.net/20.500.14352/59048 T2 - Physical Review D AB - Thermal-equilibrium quantum states are constructed for free scalar fields in (%+1)-dimensional de Sitter space. The states are described by density matrices of "thermal" form, satisfying the von Neumann equation associated with the appropriate... LA - eng M2 - 2289 PB - American Physical Soc KW - Astronomy & Astrophysics KW - Physics KW - Particles & Fields TI - Thermal equilibrium in de Sitter space TY - journal article VL - 39 ER -