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quant-ph2018★ 21 cited
The positive partial transpose conjecture for n=3
Lin Chen, Yu Yang, Waishing Tang
We present the PPT square conjecture introduced by M. Christandl. We prove the conjecture in the case as a consequence of the fact that two-qutrit PPT states have Schmidt at…
quant-ph2016
Schmidt number of bipartite and multipartite states under local projections
Lin Chen, Yu Yang, Wai-shing Tang
The Schmidt number is a fundamental parameter characterizing the properties of quantum states, and the local projections are a fundamental operation in quantum physics. We investig…