Research Projects
Quantum gravity and quantum cosmology
Canonical quantisation
Exact models and semiclassical methods
Concept of time
(See also www.time-direction.de.)
Aspects of string theory
Black holes
Canonical quantisation
Interpretation of entropy
Primordial black holes
Cosmology
Inflationary universe
Dynamics of primordial fluctuations and structure formation
String cosmology
Astrophysical aspects
Foundations of quantum theory
Decoherence
Measurement process
Higher-dimensional models
Schrödinger representation in quantum field theory
Gauge aspects of gravity
Metric-affine gravity, world spinors
Poincaré gauge theory, Einstein-Cartan theory
Gravitational moments of the Dirac electron
Exact solutions, cosmological models
Two- and three-dimensional gravitational models
Physical and geometrical interpretation of nonmetricity and torsion
Classical electrodynamics
Axiomatic structure, coupling to gravity
Derivation of metric from electrodynamic structures
Violation of Lorentz invariance
Scientific computing
Computer algebra, Reduce with Excalc, Maple