3 citations · 4 across the 7 of their papers we have counts for
7 papers
Relativistic diffusing particles, entropy and varying cosmological constants
Z. Haba
We discuss Einstein equations with a non-conserved energy-momentum . The energy-momentum tensor on the right hand side of Einstein equations is expressed i…
Varying Newton constant, entropy and the black hole evaporation law
Julia Haba, Zbigniew Haba
In Einstein equations we represent the energy-momentum tensor as the one ( ) of a fluid plus the cosmological term. We consider time-dependent Newton ``constant" , the c…
Chern-Simons States in Yang-Mills Gauge Theory of Quantum Gravity
Zbigniew Haba
We discuss a quantization of the Yang--Mills theory with an internal symmetry group treated as a unified theory of all interactions. In one-loop calculations, we show tha…
Chern-Simons "ground state" from the path integral
Z. Haba
We consider a path integral representation of the time evolution for Lagrangians of the variable which can be represented in the form (quadratic in $…
Functional formulation of quantum theory of a scalar field in a metric with Lorentzian and Euclidean signatures
Z. Haba
We study the Schrödinger equation in quantum field theory (QFT) in its functional formulation. In this approach quantum correlation functions can be expressed as classical expectat…
Schrödinger evolution of a scalar field in Riemannian and pseudoRiemannian expanding metrics
Z. Haba
We study the quantum field theory (QFT) of a scalar field in the Schrödinger picture in the functional formulation. We derive a formula for the evolution kernel in a flat expanding…
Quantum scalar field propagator in a stochastic gravitational plane wave
Z. Haba
A stochastic metric can appear in classical as well as in quantum gravity. We show that if the linearized stochastic Gaussian gravitational plane wave has the frequency spectrum $ω…