52 citations · 240 across the 13 of their papers we have counts for
Showing 1998Show all
2 papers · 1 filter
gr-qc1998★ 9 cited
Canonical Quantization and Expanding Metrics
E. Alfinito, G. Vitiello
The canonical formalism for expanding metrics scenarios is presented. Non-unitary time evolution implied by expanding geometry is described as a trajectory over unitarily inequival…
hep-th1998★ 43 cited
Thermo Field Dynamics and quantum algebras
E. Celeghini, S. De Martino, S. De Siena +3
The algebraic structure of Thermo Field Dynamics lies in the -deformation of the algebra of creation and annihilation operators. Doubling of the degrees of freedom, tilde-conjug…