3 citations · 6 across the 3 of their papers we have counts for
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Analytic semigroups approaching a Schrödinger group on real foliated metric manifolds
Rudrajit Banerjee, Max Niedermaier
On real metric manifolds admitting a co-dimension one foliation, sectorial operators are introduced that interpolate between the generalized Laplacian and the d'Alembertian. This i…
Wick rotation in the lapse, admissible complex metrics, and foliation changing diffeomorphisms
Rudrajit Banerjee, Max Niedermaier
A Wick rotation in the lapse (not in time) is introduced that interpolates between Riemannian and Lorentzian metrics on real manifolds admitting a codimension-one foliation. The de…
Bonus Properties of States of Low Energy
R. Banerjee, M. Niedermaier
States of Low Energy (SLE) are exact Hadamard states defined on arbitrary Friedmann-Lemaître spacetimes. They are constructed from a fiducial state by minimizing the Hamiltonian's…
Graph rules for the linked cluster expansion of the Legendre effective action
Rudrajit Banerjee, Max Niedermaier
Graph rules for the linked cluster expansion of the Legendre effective action are derived and proven in Euclidean dimensions. A key aspect is the weight assigned t…