Singlet and triplet Cooper pair splitting in hybrid superconducting nanowires

Wang, Guanzhong; Dvir, Tom; Mazur, Grzegorz P.; Liu, Chunxiao; Loo, Nick van; Haaf, Sebastiaan L. D. ten; Bordin, Alberto; Gazibegović, Saša; Badawy, Ghada; Bakkers, Erik P. A. M.; Wimmer, Michael; Kouwenhoven, Leo P.

doi:10.1038/s41586-022-05352-2

Cited by 59 publications

(25 citation statements)

References 51 publications

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“…肤效应(non-Hermitian skin effect, NHSE) [249,250] . 又如, 在拓扑半金属纳米线中定义量子点 [251] , 可以在超导体 -金属 -超导体的三端器件中探测交叉 Andreev反射(crossed Andreev reflection, CAR)与 p波配对 [252,253] , 考察量子纠缠(quantum entanglement)与贝尔不等式(Bell inequality) [254] 特别地, 两对Majorana可以构建一个拓扑量子比特. 通过生长或微纳加工的办法, 制备拓扑半金属 (例如Cd 3 As 2 )的Y型纳米线结构 [255] , 通过局域栅压的纯电学操控实现Majorana零能模产生、湮灭以及编织操作, 有望实现拓扑量子比特从0到1的突破(图12).…”

Section: 栅压调控拓扑超导相变unclassified

Josephson effect in topological semimetal-superconductor heterojunctions

Chu¹,

Wang²,

Liao³

2023

Acta Phys. Sin.

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Topological semimetals are exotic phases of quantum matter with gapless electronic excitation protected by symmetry. Benefitting from its unique relativistic band dispersion, topological semimetals host abundant quantum states and quantum effects, esuch as Fermi-arc surface states and chiral anomaly. In recent years, due to the potential application in topological quantum computing, the hybrid system of topology and superconductivity has aroused wide interest in the community. Recent experimental progress of topological semimetal-superconductor heterojunctions is reviewed in two aspects: 1) Josephson current as a mode filter of different topological quantum states; 2) detection and manipulation of topological superconductivity and Majorana zero modes. For the former, utilizing Josephson interference, ballistic transport of Fermi-arc surface states is revealed, higher-order topological phases are discovered, and finite-momentum Cooper pairing and superconducting diode effect are realized. For the latter, by detecting a.c. Josephson effect in Dirac semimetal, the 4π-periodic supercurrent is discovered. By all-electric gate control, the topological transition of superconductivity is obtained. Outlooks of future research on topological semimetal-superconductor heterojunctions and their application in Majorana braiding and topological quantum computing are discussed.

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Section: 栅压调控拓扑超导相变unclassified

Josephson effect in topological semimetal-superconductor heterojunctions

Chu¹,

Wang²,

Liao³

2023

Acta Phys. Sin.

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“…Consequently, smart wear is becoming an item that will dominate the fiber material industry in the future. Hybrid fiber composites can have various applications, such as in healthcare, defense, fashion and entertainment, sportswear, purpose clothing, and transportation, as well as integration with advanced technology [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 ]. To date, research on cutting-edge hybrid fiber materials is being conducted [ 4 , 5 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 ].…”

Section: Introductionmentioning

confidence: 99%

Hybrid Fiber Materials according to the Manufacturing Technology Methods and IOT Materials: A Systematic Review

Han

2023

Materials

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With the development of convergence technology, the Internet of Things (IoT), and artificial intelligence (AI), there has been increasing interest in the materials industry. In recent years, numerous studies have attempted to identify and explore multi-functional cutting-edge hybrid materials. In this paper, the international literature on the materials used in hybrid fibers and manufacturing technologies were investigated and their future utilization in the industry is predicted. Furthermore, a systematic review is also conducted. This includes sputtering, electrospun nanofibers, 3D (three-dimensional) printing, shape memory, and conductive materials. Sputtering technology is an eco-friendly, intelligent material that does not use water and can be applied as an advantageous military stealth material and electromagnetic blocking material, etc. Electrospinning can be applied to breathable fabrics, toxic chemical resistance, fibrous drug delivery systems, and nanoliposomes, etc. 3D printing can be used in various fields, such as core-sheath fibers and artificial organs, etc. Conductive materials include metal nanowires, polypyrrole, polyaniline, and CNT (Carbon Nano Tube), and can be used in actuators and light-emitting devices. When shape-memory materials deform into a temporary shape, they can return to their original shape in response to external stimuli. This study attempted to examine in-depth hybrid fiber materials and manufacturing technologies.

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“…Hybrid superconducting-normal (NS) setups have captured great interest both from the theoretical [2] and experimental sides [3]. The related phenomena, such as the Josephson effect [4][5][6][7] and multiple Andreev reflections [8], are employed as quantum advantages for creating a wide range of possibilities for new electronic devices, including supercurrent transistors [9][10][11], generators of spin-entangled electrons [12][13][14][15][16][17][18][19], superconducting quantum interference devices [20][21][22][23][24][25], superconducting single-photon detectors [26], NS-based qubits like Andreev qubits [27][28][29] and topological qubits [30][31][32]. The latter proposed as building blocks for faulttolerant quantum computation.…”

Section: Introductionmentioning

confidence: 99%

Quantum-enhanced performance in superconducting Andreev-reflection engines

Manzano¹,

López²

2023

Preprint

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When a quantum dot is attached to a metallic reservoir and a superconducting contact Andreev processes leads to a finite subgap current at the normal lead and the creation or destruction of Cooper pairs. Andreev-reflection engines profit from the destruction of Cooper pairs to provide the work needed to set a charge current at the normal-conductor contact generating electrical power. For this power-transduction device high power and large efficiencies in quantum-mechanically enhanced regimes are demonstrated. There thermodynamic trade-off relations between power, efficiency and stability, valid for any classical engine are overcome, and kinetic constraints on the engine precision are largely surpassed in arbitrary far from equilibrium conditions.

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Singlet and triplet Cooper pair splitting in hybrid superconducting nanowires

Cited by 59 publications

References 51 publications

Josephson effect in topological semimetal-superconductor heterojunctions

Josephson effect in topological semimetal-superconductor heterojunctions

Hybrid Fiber Materials according to the Manufacturing Technology Methods and IOT Materials: A Systematic Review

Quantum-enhanced performance in superconducting Andreev-reflection engines

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