2 papers
quant-ph2004
Bell inequalities and linear entropy. Comment on the paper of E. Santos "Entropy inequalities and Bell inequalities fro two-qubit systems"
Lech Jakobczyk
It is shown that even if the linear entropy of mixed two-qubit state is not smaller then 0.457, Bell - CHSH inequalities can be violated. This contradicts the result obtained in th…
quant-ph2002
Entangling two-level atoms by spontaneous emission
L. Jakobczyk
It is shown that the dissipation due to spontaneous emission can entangle two closely separated two-level atoms.