Man pages matching name quantum::superpositions in section 3pm:

Quantum::Superpositions.3pm.en	debian 10 / libquantum-superpositions-perl
Quantum::Superpositions.3pm.en	debian 11 / libquantum-superpositions-perl
Quantum::Superpositions.3pm.en	debian 12 / libquantum-superpositions-perl