Coherence of quantum Gaussian channels

被引:7
作者
Xu, Jianwei [1 ]
机构
[1] Northwest A&F Univ, Coll Sci, Yangling 712100, Shaanxi, Peoples R China
关键词
Quantum coherence; Quantum resource theory; Quantum Gaussian channel;
D O I
10.1016/j.physleta.2020.127028
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Coherence is a basic feature for quantum states. Instead of quantum states, in this work, we establish a resource theory for quantifying the coherence of Gaussian channels. To do this, we propose the definitions of incoherent Gaussian channels and incoherent Gaussian superchannels. (C) 2020 Elsevier B.V. All rights reserved.
引用
收藏
页数:6
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共 29 条
[1]   Generation of coherence via Gaussian measurements [J].
Albarelli, Francesco ;
Genoni, Marco G. ;
Paris, Matteo G. A. .
PHYSICAL REVIEW A, 2017, 96 (01)
[2]   Quantifying Coherence [J].
Baumgratz, T. ;
Cramer, M. ;
Plenio, M. B. .
PHYSICAL REVIEW LETTERS, 2014, 113 (14)
[3]   Resource theory of coherence: Beyond states [J].
Ben Dana, Khaled ;
Garcia Diaz, Maria ;
Mejatty, Mohamed ;
Winter, Andreas .
PHYSICAL REVIEW A, 2017, 95 (06)
[4]   Cohering power of quantum operations [J].
Bu, Kaifeng ;
Kumar, Asutosh ;
Zhang, Lin ;
Wu, Junde .
PHYSICS LETTERS A, 2017, 381 (19) :1670-1676
[5]  
Buono D, ARXIV160900913
[6]   Transforming quantum operations: Quantum supermaps [J].
Chiribella, G. ;
D'Ariano, G. M. ;
Perinotti, P. .
EPL, 2008, 83 (03)
[7]   Quantum resource theories [J].
Chitambar, Eric ;
Gour, Gilad .
REVIEWS OF MODERN PHYSICS, 2019, 91 (02)
[8]   Coherence of quantum channels [J].
Datta, Chandan ;
Sazim, S. K. ;
Pati, Arun K. ;
Agrawal, Pankaj .
ANNALS OF PHYSICS, 2018, 397 :243-258
[9]   A resource framework for quantum Shannon theory [J].
Devetak, Igor ;
Harrow, Aram W. ;
Winter, Andreas J. .
IEEE TRANSACTIONS ON INFORMATION THEORY, 2008, 54 (10) :4587-4618
[10]   On the quantification of entanglement in infinite-dimensional quantum systems [J].
Eisert, J ;
Simon, C ;
Plenio, MB .
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 2002, 35 (17) :3911-3923