21 citations · 145 across the 17 of their papers we have counts for
Showing 2018 · math-phShow all
3 papers · 2 filters
math-ph2018★ 17 cited
Multi-time formulation of particle creation and annihilation via interior-boundary conditions
Matthias Lienert, Lukas Nickel
Interior-boundary conditions (IBCs) have been suggested as a possibility to circumvent the problem of ultraviolet divergences in quantum field theories. In the IBC approach, partic…
math-ph2018★ 7 cited
Interacting relativistic quantum dynamics of two particles on spacetimes with a Big Bang singularity
Matthias Lienert, Roderich Tumulka
Relativistic quantum theories are usually thought of as being quantum field theories, but this is not the only possibility. Here we consider relativistic quantum theories with a fi…
math-ph2018★ 13 cited
A new class of Volterra-type integral equations from relativistic quantum physics
Matthias Lienert, Roderich Tumulka
Here we study a new kind of linear integral equations for a relativistic quantum-mechanical two-particle wave function , where are spacetime points. In the ca…