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Showing 2019 · quant-phShow all
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quant-ph2019★ 6 cited
Entanglement distribution between quantum repeater nodes with an absorptive type memory
Daisuke Yoshida, Kazuya Niizeki, Shuhei Tamura +1
Quantum repeaters, which are indispensable for long-distance quantum communication, are necessary for extending the entanglement from short distance to long distance; however, high…
quant-ph2019★ 7 cited
Blind quantum computation with a heralded single photon source
Kurumiko Nagao, Tomoyuki Horikiri, Toshihiko Sasaki
Blind quantum computation is a scheme that adds unconditional security to cloud quantum computation. In the protocol proposed by Broadbent, Fitzsimons, and Kashefi, the ability to…
quant-ph2019
Eigenvalues of quantum walk induced by recurrence properties of the underlying birth and death process: application to computation of an edge state
Yusuke Ide, Norio Konno, Etsuo Segawa
In this paper, we consider an extended coined Szegedy model and discuss the existence of the point spectrum of induced quantum walks in terms of recurrence properties of the underl…