A Localized-Orbital Energy Evaluation for Auxiliary-Field Quantum Monte Carlo.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.2c00111
Abstract: Phaseless auxiliary-field quantum Monte Carlo (ph-AFQMC) has recently emerged as a promising method for the production of benchmark-level simulations of medium- to large-sized molecules because of its accuracy and favorable polynomial scaling with system size.… read more here.
Keywords: quantum monte; energy; localized orbital; auxiliary field ... See more keywords
Phaseless Auxiliary-Field Quantum Monte Carlo on Graphical Processing Units.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.8b00342
Abstract: We present an implementation of phaseless Auxiliary-Field Quantum Monte Carlo (ph-AFQMC) utilizing graphical processing units (GPUs). The AFQMC method is recast in terms of matrix operations which are spread across thousands of processing cores and… read more here.
Keywords: phaseless auxiliary; graphical processing; auxiliary field; monte carlo ... See more keywords
Sending-or-not-sending twin-field quantum key distribution in practice
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-39225-y
Abstract: Recently, the twin field quantum key distribution (TF-QKD) protocols have been investigated extensively. In particular, an efficient protocol for TF-QKD with sending or not sending the coherent state has been given in. Here in this… read more here.
Keywords: twin field; key distribution; field quantum; sending sending ... See more keywords
Practical decoy-state method for twin-field quantum key distribution
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ab2b00
Abstract: Twin-Field (TF) quantum key distribution (QKD) represents a novel QKD approach whose principal merit is to beat the point-to-point private capacity of a lossy quantum channel, thanks to performing single-photon interference in an untrusted node.… read more here.
Keywords: twin field; state method; decoy state; key distribution ... See more keywords
Twin-field quantum key distribution with large misalignment error
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.98.062323
Abstract: Based on the novel idea of twin-field quantum key distribution [TF-QKD; Lucamarini et al., Nature (London) 557, 400 (2018)], we present a protocol named the ``sending or not sending TF-QKD'' protocol, which can tolerate large… read more here.
Keywords: error; twin field; field quantum; misalignment error ... See more keywords
Simple Multiuser Twin-Field Quantum Key Distribution Network
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.17.014025
Abstract: Xiaoqing Zhong,1, ∗ Wenyuan Wang,1, † Reem Mandil,1 Hoi-Kwong Lo,1, 2, 3 and Li Qian2 Center for Quantum Information and Quantum Control, Dept. of Physics, University of Toronto, Toronto, Ontario, M5S 1A7, Canada Center for… read more here.
Keywords: twin field; physics; multiuser twin; field quantum ... See more keywords
Metal-insulator and magnetic phase diagram of Ca2RuO4 from auxiliary field quantum Monte Carlo and dynamical mean field theory
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.235110
Abstract: Layered perovskite ruthenium oxides exhibit a striking series of metal-insulator and magnetic-nonmagnetic phase transitions easily tuned by temperature, pressure, epitaxy, and nonlinear drive. In this work, we combine results from two complementary state-of-the-art many-body methods,… read more here.
Keywords: monte carlo; field; auxiliary field; quantum monte ... See more keywords
Feasibility of twin-field quantum key distribution based on multi-mode coherent phase-coded states.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.036551
Abstract: In this paper we propose feasibility demonstration of twin-field quantum key ditribution system based on multi-mode weak coherent phase-coded states. Their utilization provides indisputable advantages described in the paper. We also provide the detailed description… read more here.
Keywords: twin field; quantum; multi mode; field quantum ... See more keywords
Long-distance twin-field quantum key distribution with entangled sources
Sign Up to like & getrecommendations! Published in 2021 at "Optics letters"
DOI: 10.1364/ol.443099
Abstract: Twin-field quantum key distribution (TFQKD), using single-photon-type interference, offers a way to exceed the rate-distance limit without quantum repeaters. However, it still suffers from photon losses and dark counts, which impose an ultimate limit on… read more here.
Keywords: key distribution; twin field; distance; quantum key ... See more keywords
Practical Analysis of Sending or Not-Sending Twin-Field Quantum Key Distribution with Frequency Side Channels
Sign Up to like & getrecommendations! Published in 2021 at "Applied Sciences"
DOI: 10.3390/app11209560
Abstract: The twin-field quantum key distribution (TF-QKD) and its variants can overcome the fundamental rate-distance limit of QKD. However, their physical implementations with the side channels remain the subject of further research. We test the side… read more here.
Keywords: twin field; key distribution; field quantum; side channels ... See more keywords
Prefixed-Threshold Real-Time Selection for Free-Space Sending-or-Not Twin-Field Quantum Key Distribution
Sign Up to like & getrecommendations! Published in 2022 at "Entropy"
DOI: 10.3390/e24030344
Abstract: As a variant of the twin-field quantum key distribution (TF-QKD), the sending-or-not twin-field quantum key distribution (SNS TF-QKD) is famous for its higher tolerance of misalignment error, in addition to the capacity of surpassing the… read more here.
Keywords: field quantum; sns qkd; twin field; space ... See more keywords