Two new constructions of approximately SIC-POVMs from multiplicative characters

Two new constructions of approximately SIC-POVMs from multiplicative characters
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乘法特征近似 SIC-POVM 的两个新构造

DOI:
10.1007/s11128-017-1767-8
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发表时间:
2017-11
影响因子:
2.5
通讯作者:
Cao Xiwang
Cao Xiwang
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Luo Gaojun;Cao Xiwang

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在量子信息理论中,对称性信息完整的正面运算符值衡量标准(SIC-POVM)与量子状态层析成像[8],量子密码学[15]和基础研究[16]有关。通常,很难构建SIC
In quantum information theory, symmetric informationally complete positive operator-valued measures (SIC-POVMs) are relevant to quantum state tomography [8], quantum cryptography [15], and foundational studies [16]. In general, it is hard to construct SIC-POVMs and only a few classes of them existed, as we know. Moreover, we do not know whether there exists an infinite class of them. Many researchers tried to construct approximately symmetric informationally complete positive operator-valued measures (ASIC-POVMs). In this paper, we propose two new constructions of ASIC-POVMs for prime power dimensions only by using multiplicative characters over finite fields.
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