scholarly journals Manipulation of Cooper Pair Entanglement in Hybrid Topological Josephson Junctions

Proceedings ◽  
2019 ◽  
Vol 12 (1) ◽  
pp. 44
Author(s):  
Gianmichele Blasi ◽  
Fabio Taddei ◽  
Vittorio Giovannetti ◽  
Alessandro Braggio
Keyword(s):  
Critical Current ◽  
Cooper Pair ◽  
Phase Relationship ◽  
Scattering Matrix ◽  
Entangled States ◽  
Current Phase ◽  
Matrix Approach ◽  
Non Local ◽  
Relationship Of ◽  
Direct Quantification

The non-local manipulation of spin-entangled states by means of local gating in two parallel 2D topological insulators properly connected to two superconducting electrodes is studied. We calculate analytically the current-phase relationship of the Josephson current making use of the scattering matrix approach and we identify the various local and non-local scattering mechanisms. We show that the Josephson critical current, remarkably, allows a direct quantification of the entanglement manipulation.

scholarly journals Interferometric Measurement of the Current-Phase Relationship of a Superfluid Weak Link

2014 ◽  
Vol 4 (3) ◽  
Author(s):  
S. Eckel ◽  
F. Jendrzejewski ◽  
A. Kumar ◽  
C. J. Lobb ◽  
G. K. Campbell
Keyword(s):  
Weak Link ◽  
Phase Relationship ◽  
Current Phase ◽  
Interferometric Measurement ◽  
Relationship Of

scholarly journals Anomalous periodicity of the current-phase relationship of grain-boundary Josephson junctions in high-Tcsuperconductors

1999 ◽  
Vol 60 (5) ◽  
pp. 3096-3099 ◽  
Author(s):  
E. Il’ichev ◽  
V. Zakosarenko ◽  
R. P. J. IJsselsteijn ◽  
H. E. Hoenig ◽  
V. Schultze ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Josephson Junctions ◽  
Phase Relationship ◽  
Current Phase ◽  
Relationship Of

Current-phase relationship of YBa2Cu3O7−x ramp-edge Josephson junctions

2000 ◽  
Vol 76 (1) ◽  
pp. 100-102 ◽  
Author(s):  
E. Il’ichev ◽  
V. Zakosarenko ◽  
V. Schultze ◽  
H. E. Hoenig ◽  
H.-G. Meyer ◽  
...  
Keyword(s):  
Josephson Junctions ◽  
Phase Relationship ◽  
Current Phase ◽  
Relationship Of

Nonsinusoidal Current-Phase Relationship of Grain Boundary Josephson Junctions in High-TcSuperconductors

1998 ◽  
Vol 81 (4) ◽  
pp. 894-897 ◽  
Author(s):  
E. Il'ichev ◽  
V. Zakosarenko ◽  
R. P. J. IJsselsteijn ◽  
V. Schultze ◽  
H.-G. Meyer ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Josephson Junctions ◽  
Phase Relationship ◽  
Current Phase ◽  
Relationship Of

scholarly journals Thermoelectric current in a graphene Cooper pair splitter

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Z. B. Tan ◽  
A. Laitinen ◽  
N. S. Kirsanov ◽  
A. Galda ◽  
V. M. Vinokur ◽  
...  
Keyword(s):  
Cooper Pair ◽  
Theoretical Description ◽  
Seebeck Effect ◽  
Normal Metal ◽  
Electric Voltage ◽  
Power Generators ◽  
Metal Structures ◽  
Fundamental Phenomenon ◽  
Non Local ◽  
Cooper Pair Splitting

AbstractGeneration of electric voltage in a conductor by applying a temperature gradient is a fundamental phenomenon called the Seebeck effect. This effect and its inverse is widely exploited in diverse applications ranging from thermoelectric power generators to temperature sensing. Recently, a possibility of thermoelectricity arising from the interplay of the non-local Cooper pair splitting and the elastic co-tunneling in the hybrid normal metal-superconductor-normal metal structures was predicted. Here, we report the observation of the non-local Seebeck effect in a graphene-based Cooper pair splitting device comprising two quantum dots connected to an aluminum superconductor and present a theoretical description of this phenomenon. The observed non-local Seebeck effect offers an efficient tool for producing entangled electrons.

scholarly journals Non-Local and Multi-Scale Mechanisms for Image Inpainting

Sensors ◽  
2021 ◽  
Vol 21 (9) ◽  
pp. 3281
Author(s):  
Xu He ◽  
Yong Yin
Keyword(s):  
Markov Random Fields ◽  
Receptive Fields ◽  
Image Inpainting ◽  
Long Distance ◽  
Visual Appearance ◽  
Fine Grained ◽  
Multi Scale ◽  
Non Local ◽  
Relationship Of

Recently, deep learning-based techniques have shown great power in image inpainting especially dealing with squared holes. However, they fail to generate plausible results inside the missing regions for irregular and large holes as there is a lack of understanding between missing regions and existing counterparts. To overcome this limitation, we combine two non-local mechanisms including a contextual attention module (CAM) and an implicit diversified Markov random fields (ID-MRF) loss with a multi-scale architecture which uses several dense fusion blocks (DFB) based on the dense combination of dilated convolution to guide the generative network to restore discontinuous and continuous large masked areas. To prevent color discrepancies and grid-like artifacts, we apply the ID-MRF loss to improve the visual appearance by comparing similarities of long-distance feature patches. To further capture the long-term relationship of different regions in large missing regions, we introduce the CAM. Although CAM has the ability to create plausible results via reconstructing refined features, it depends on initial predicted results. Hence, we employ the DFB to obtain larger and more effective receptive fields, which benefits to predict more precise and fine-grained information for CAM. Extensive experiments on two widely-used datasets demonstrate that our proposed framework significantly outperforms the state-of-the-art approaches both in quantity and quality.

[P118] Phase relationship of Tb0.3Dy0.7Fe2 – Tb0.15Ho0.85Fe2 in the Tb-Dy-Ho-Fe system

Calphad ◽  
2015 ◽  
Vol 51 ◽  
pp. 410-411
Author(s):  
Bowen Wang ◽  
Zhizhong Zhao ◽  
Yan Lv ◽  
Guolu Li ◽  
Ling Weng ◽  
...  
Keyword(s):  
Phase Relationship ◽  
Relationship Of

scholarly journals Memory Efficient Method for Electromagnetic Multi-Region Models Using Scattering Matrices

2018 ◽  
Vol 23 (4) ◽  
pp. 71 ◽  
Author(s):  
C. Custers ◽  
J. Jansen ◽  
E. Lomonova
Keyword(s):  
Electromagnetic Field ◽  
Boundary Conditions ◽  
Efficient Method ◽  
Maximum Size ◽  
Scattering Matrix ◽  
Matrix Approach ◽  
Matrix Formulation ◽  
Scattering Matrices ◽  
Memory Efficient

This paper describes the scattering matrix approach to obtain the solution to electromagnetic field quantities in harmonic multi-layer models. Using this approach, the boundary conditions are solved in such way that the maximum size of any matrix used during the computations is independent of the number of regions defined in the problem. As a result, the method is more memory efficient than classical methods used to solve the boundary conditions. Because electromagnetic sources can be located inside the regions of a configuration, the scattering matrix formulation is developed to incorporate these sources into the solving process. The method is applied to a 3D electromagnetic configuration for verification.

Scattering-matrix approach to multilayer diffraction

1995 ◽  
Vol 12 (5) ◽  
pp. 1097 ◽  
Author(s):  
N. P. K. Cotter ◽  
T. W. Preist ◽  
J. R. Sambles
Keyword(s):  
Scattering Matrix ◽  
Matrix Approach
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