Quantum conference

被引：24

作者：

Banerjee, Anindita ^{[1
,2
]}

Thapliyal, Kishore ^{[3
]}

Shukla, Chitra ^{[4
,5
,6
]}

Pathak, Anirban ^{[3
]}

机构：

[1] Bose Inst, Dept Phys, Block,Sect 5, Kolkata, India

[2] Bose Inst, Ctr Astroparticle Phys & Space Sci, Block,Sect 5, Kolkata, India

[3] Jaypee Inst Informat Technol, Dept Phys & Mat Sci & Engn, A-10,Sect 62, Noida 201307, UP, India

[4] Nagoya Univ, Grad Sch Informat Sci, Chikusa Ku, Nagoya, Aichi 4648601, Japan

[5] Tsinghua Univ, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China

[6] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

来源：

QUANTUM INFORMATION PROCESSING | 2018年 / 17卷 / 07期

基金：

日本学术振兴会;

关键词：

Secure quantum communication; Quantum conference; Multiparty quantum communication; Entangled states; EFFICIENT PROTOCOLS; DIALOGUE PROTOCOLS; BELL STATES; COMMUNICATION; ENTANGLEMENT; PURIFICATION;

D O I：

10.1007/s11128-018-1931-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A notion of quantum conference is introduced in analogy with the usual notion of a conference that happens frequently in today's world. Quantum conference is defined as a multiparty secure communication task that allows each party to communicate their message simultaneously to all other parties in a secure manner using quantum resources. Two efficient and secure protocols for quantum conference have been proposed. The security and efficiency of the proposed protocols have been analyzed critically. It is shown that the proposed protocols can be realized using a large number of entangled states and group of operators. Further, it is shown that the proposed schemes can be easily reduced to a protocol for multiparty quantum key distribution and some earlier proposed schemes of quantum conference, where the notion of quantum conference was different.

引用

页数：22

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