2 papers
math.LO2011
The power of backtracking and the confinement of length
Timothy H. McNicholl
We show that there is a point on a computable arc that does not belong to any computable rectifiable curve. We also show that there is a point on a computable rectifiable curve wit…
quant-ph2010
Replacing the Breit-Wigner amplitude by the complex delta function to describe resonances
R. de la Madrid
Whenever the Breit-Wigner amplitude appears in a calculation,there are many instances (e.g., Fermi's two-level system and the Weisskopf-Wigner approximation) where energy integrati…