9 citations · 20 across the 9 of their papers we have counts for
9 papers
Characterizing local unitary equivalence of multipartite states by local unitary Bargmann invariants
Yi Shen, Lin Chen, Shao-Ming Fei
Local unitary (LU) equivalent states are crucial for understanding the structure of quantum entanglement. We investigate the LU equivalence based on the LU Bargmann invariants (LUB…
Decidabilities of local unitary equivalence for entanglement witnesses and states
Yi Shen, Lin Chen
The problem of determining whether two states are equivalent by local unitary (LU) operations is important for quantum information processing. In this paper we propose an alternati…
The detection power of real entanglement witnesses under local unitary equivalence
Yi Shen, Lin Chen, Zhihao Bian
The imaginary unit has recently been experimentally proven to be indispensable for quantum mechanics. We study the differences in detection power between real and complex entan…
A characterization of entangled two-qubit states via partial-transpose-moments
Lin Zhang, Ming-Jing Zhao, Lin Chen +2
Although quantum entanglement is an important resource, its characterization is quite challenging. The partial transposition is a common method to detect bipartite entanglement. In…
The additivity of states uniquely determined by marginals
Yi Shen, Lin Chen
The pure states that can be uniquely determined among all (UDA) states by their marginals are essential to efficient quantum state tomography. We generalize the UDA states from the…
Quantum hypothesis testing between qubit states with parity
Yi Shen, Carlo Maria Scandolo, Lin Chen
Quantum hypothesis testing (QHT) provides an effective method to discriminate between two quantum states using a two-outcome positive operator-valued measure (POVM). Two types of d…