diff --git a/Exercise_2/exercise2_decoherence_and_tomography_v2.pdf b/Exercise_2/exercise2_decoherence_and_tomography_v2.pdf new file mode 100644 index 0000000..8c68aa1 Binary files /dev/null and b/Exercise_2/exercise2_decoherence_and_tomography_v2.pdf differ