@article{
 title = {Detecting multipartite classical states and their resemblances},
 type = {article},
 year = {2011},
 volume = {83},
 id = {ec0c19ae-d9ee-3052-97c2-978ccabfbecf},
 created = {2020-08-20T19:55:40.466Z},
 file_attached = {false},
 profile_id = {889ca0d7-cd8b-3818-bafe-550deb56f3f0},
 last_modified = {2020-08-20T19:55:40.466Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {false},
 hidden = {false},
 private_publication = {false},
 abstract = {We study various types of multipartite states lying near the quantum-classical boundary. The so-called classical states are precisely those in which each party can perfectly identify a locally held state without disturbing the global state, a task known as nondisruptive local state identification (NDLID). We show NDLID to be closely related local broadcasting, and we introduce a class of states called generalized classical states which allow for both NDLID and multipartite broadcasting when the most general quantum measurements are permitted. Simple analytical methods and a physical criterion are given for detecting whether a multipartite state is classical or generalized classical. For deciding the latter, a semidefinite programming algorithm is presented which may find use in other fields such as signal processing. © 2011 American Physical Society.},
 bibtype = {article},
 author = {Chen, L. and Chitambar, E. and Modi, K. and Vacanti, G.},
 doi = {10.1103/PhysRevA.83.020101},
 journal = {Physical Review A - Atomic, Molecular, and Optical Physics},
 number = {2}
}

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