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quant-ph2023
Mutually-orthogonal unitary and orthogonal matrices
Zhiwei Song, Lin Chen, Saiqi Liu
We introduce the concept of n-OU and n-OO matrix sets, a collection of n mutually-orthogonal unitary and real orthogonal matrices under Hilbert-Schmidt inner product. We give a det…
quant-ph2023★ 4 cited
Noisy Demkov-Kunike model
Lin Chen, Zhaoxin Liang
The Demkov-Kunike (DK) model, characterized by a time-dependent Rabi coupling and on-site detuning , has one of the most general forms of an…
quant-ph2023★ 1 cited
The existence of distinguishable bases in three-dimensional subspaces of qutrit-qudit systems under one-way local operations and classical communication
Zhiwei Song, Lin Chen, Dragomir Z. Djokovic
We show that every three-dimensional subspace of qutrit-qudit complex or real systems has a distinguishable basis under one-way local operations and classical communication (LOCC).…