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- A. V. Gorshkov, M. Hermele, +7 authors A. M. Rey
- 2010

Fermionic alkaline-earth atoms have unique properties that make them attractive candidates for the realization of atomic clocks and degenerate quantum gases. At the same time, they are attracting considerable theoretical attention in the context of quantum information processing. Here we demonstrate that when such atoms are loaded in optical lattices, they… (More)

- Kai Liu, Chengqian Xu
- IEICE Transactions
- 2010

- Chengqian Xu, Kai Liu, Gang Li, Wangbo Yu
- 2007 International Conference on Wireless…
- 2007

The uniqueness of the binary sequence pair with two- level autocorrelation functions (BSPT) is put forward in the paper and proved by using mathematic tools, which is of great importance in guaranteeing receiving uniquely when applying BSPTs. Some construction methods of BSPT are given. The infinite families of BSPTs are presented by applying construction… (More)

- Kai Liu, Chengqian Xu, K.T. Arasu
- 2009 Fourth International Workshop on Signal…
- 2009

Based on the equivalent relationship between binary sequence pairs with two-level periodic autocorrelation function (BSPT) and difference set pairs (DSP), several families of BSPT including perfect binary sequence pairs are constructed by recursively constructing DSP on the integer ring.

- Yubo Li, Chengqian Xu, Kai Liu
- IEICE Transactions
- 2011

- Yubo Li, Chengqian Xu
- IEEE Communications Letters
- 2012

- Yubo Li, Kai Liu, Chengqian Xu, Gang Li
- IEICE Transactions
- 2014

- Yubo Li, Chengqian Xu, Nan Jing, Kai Liu
- IEEE Communications Letters
- 2014

- Chengqian Xu, Xiaoyu Chen, Kai Liu
- IEICE Transactions
- 2014

- Kai Liu, Chengqian Xu, Gang Li
- 2009 International Conference on Networks…
- 2009

This paper proposes a new construction method of binary sequence pair sets with zero correlation zone (ZCZ) in which the correlation functions of sequence pairs are zero, based on difference set pair, a new concept of combinatorial mathematics. With the extension of sequence length, the sets achieve the theoretical upper bound. These ZCZ sequence pairs can… (More)