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A Relativistic Version of the Two-Level Atom in the Rest-Frame Instant Form of Dynamics
the Two-Level Atom the Rest-Frame Instant Form of Dynamics High Energy Physics - Theory
2011/8/30
Abstract: We define a relativistic version of the two-level atom, in which an extended atom is replaced by a point particle carrying suitable Grassmann variables for the description of the two-level s...
A Relativistic Version of the Two-Level Atom in the Rest-Frame Instant Form of Dynamics
Relativistic Version the Two-Level Atom the Rest-Frame Instant Form of Dynamics
2011/8/16
Abstract: We define a relativistic version of the two-level atom, in which an extended atom is replaced by a point particle carrying suitable Grassmann variables for the description of the two-level s...
Expanding universes in the conformal frame of $f(R) $ gravity
Expanding universes conformal frame $f(R) $ gravity
2010/3/17
The late time evolution of Friedmann-Robertson-Walker (FRW) models with a perfect fluid matter source is studied in the conformal frame of $f(R) $ gravity. We assume that the corresponding scalar fiel...