140 citations · 1.1k across the 59 of their papers we have counts for
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quant-ph2015★ 29 cited
Avoiding Ultraviolet Divergence by Means of Interior-Boundary Conditions
Stefan Teufel, Roderich Tumulka
We describe here a novel way of defining Hamiltonians for quantum field theories (QFTs), based on the particle-position representation of the state vector and involving a condition…
quant-ph2015★ 23 cited
Hamiltonians Without Ultraviolet Divergence for Quantum Field Theories
Stefan Teufel, Roderich Tumulka
We propose a way of defining Hamiltonians for quantum field theories without any renormalization procedure. The resulting Hamiltonians, called IBC Hamiltonians, are mathematically…