Quantification of ‘Schrödinger’s-cattiness’ (PRL 2011)
Physics Plaza – 새로운 연구결과 소개 (Physics & High Technology)
Article for non-specialists: Physicists seek to quantify macroscopic quantum states (PHYSORG.COM)
[1] C.-W. Lee and H. Jeong, Quantification of Macroscopic Quantum Superpositions within Phase Space, Phys. Rev. Lett. 106, 220401 (2011).

