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Related papers: Anomalous spatial shifts in interface electronic s…

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Recently, the electronic analogy of the anomalous spatial shift, including Goos-H\"{a}nchen and Imbert-Fedorov effects, has been attracting widespread interest. The current research on the anomalous spatial shift in interface electronic…

Mesoscale and Nanoscale Physics · Physics 2022-12-15 Runze Li , Chaoxi Cui , Xinxing Zhou , Zhiming Yu

At a normal-metal/superconductor interface, an incident electron from the normal-metal (N) side can be normally reflected as an electron or Andreev reflected as a hole. We show that pronounced lateral shifts along the interface between the…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 Ying Liu , Zhi-Ming Yu , Hua Jiang , Shengyuan A. Yang

Superconductors with unconventional pairings have been a fascinating subject of research, for which a central issue is to explore effects that can be used to characterize the pairing. The process of Andreev reflection--the reflection of an…

Mesoscale and Nanoscale Physics · Physics 2018-10-29 Zhi-Ming Yu , Ying Liu , Yugui Yao , Shengyuan A. Yang

An electron beam may experience an anomalous spatial shift during an interface scattering process. Here, we investigate this phenomenon for reflection from mirror-symmetry-protected nodal-ring semimetals, which are characterized by an…

Materials Science · Physics 2025-12-17 Runze Li , Chaoxi Cui , Ying Liu , Zhi-Ming Yu , Shengyuan A. Yang

We report a unified representation of the spatial and angular Goos-Hanchen and Imbert-Fedorov shifts that occur when a light beam reflects from a plane interface. We thus reveal the dual nature of spatial and angular shifts in optical beam…

Optics · Physics 2015-05-14 A. Aiello , M. Merano , J. P. Woerdman

Andreev reflection at a normal-superconductor interface may be accompanied with an anomalous spatial shift. The studies so far are limited to the top incidence configuration. Here, we investigate this effect in the side incidence…

Superconductivity · Physics 2024-03-27 Runze Li , Chaoxi Cui , Ying Liu , Zhi-Ming Yu , Shengyuan A. Yang

We consider reflection and transmission of polarized paraxial light beams at a plane dielectric interface. The field transformations taking into account a finite beam width are described based on the plane-wave representation and geometric…

Optics · Physics 2013-01-18 Konstantin Y. Bliokh , Andrea Aiello

An incoming electron is reflected back as a hole at a normal-metal-superconductor interface, a process known as Andreev reflection. We predict that there exists a universal transverse shift in this process due to the effect of spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Ying Liu , Zhi-Ming Yu , Shengyuan A. Yang

We analyze non-local effects in electron transport across three-terminal normal-superconducting-normal (NSN) structures. Subgap electrons entering S-electrode from one N-metal may form Cooper pairs with their counterparts penetrating from…

Superconductivity · Physics 2007-06-13 Mikhail S. Kalenkov , Andrei D. Zaikin

We study superconducting quantum interference in InSb flake Josephson junctions. An even-odd effect in the amplitude and periodicity of the superconducting quantum interference pattern is found. Interestingly, the occurrence of this pattern…

Crossed Andreev reflection (CAR) is an intriguing effect that occurs in a normal-superconductor-normal junction. In CAR, an incoming electron from one terminal is coherently scattered as an outgoing hole into the other terminal. Here, we…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 Ying Liu , Zhi-Ming Yu , Jie Liu , Hua Jiang , Shengyuan A. Yang

We theoretically study scattering process and superconducting triplet correlations in a graphene junction comprised of ferromagnet-RSO-superconductor in which RSO stands for a region with Rashba spin orbit interaction. Our results reveal…

Mesoscale and Nanoscale Physics · Physics 2017-09-21 Razieh Beiranvand , Hossein Hamzehpour , Mohammad Alidoust

A particle beam may undergo an anomalous spatial shift when it is reflected at an interface. The shift forms a vector field defined in the two-dimensional interface momentum space. We show that, although the shift vector at individual…

Mesoscale and Nanoscale Physics · Physics 2020-08-19 Ying Liu , Zhi-Ming Yu , Cong Xiao , Shengyuan A. Yang

The scattering of wavepackets with arbitrary energy dispersion on surfaces has been analyzed. Expanding up to second order in scattering shifts, it is found that besides the known Goos-H\"anchen or Imbert-Fedorov spatial offset, as well as…

Optics · Physics 2025-02-18 K. Morawetz

As a paraxial wave packet is reflected or refracted from a planar interface separating two material media, it experiences spatial and angular shifts of its center position with respect to predictions of the geometrical ray picture. These…

Optics · Physics 2025-09-09 Yahong Chen , Sergey A. Ponomarenko

Quantitative description of charge transport across tunneling and break-junction devices with novel superconductors encounters some problems not present, or not as severe for traditional superconducting materials. In this work, we explain…

Superconductivity · Physics 2016-08-11 E. Zhitlukhina , I. Devyatov , O. Egorov , M. Belogolovskii , P. Seidel

We investigate the diffusive electron transport in conductors with spatially inhomogeneous magnetic properties taking into account both impurity and normal scattering. It is found that the additional interface resistance that arises due to…

Mesoscale and Nanoscale Physics · Physics 2011-09-06 R. N. Gurzhi , A. N. Kalinenko , A. I. Kopeliovich , P. V. Pyshkin , A. V. Yanovsky

We study the impact of spin-active scattering on Andreev spectra of point contacts between superconductors(SCs) and strongly spin-polarized ferromagnets(FMs) using recently derived boundary conditions for the Quasiclassical Theory of…

Superconductivity · Physics 2012-08-29 Roland Grein , Tomas Lofwander , Georgo Metalidis , Matthias Eschrig

We investigate the behavior of relativistic electrons encountering a potential step through analogies with optical phenomena. By accounting for the conservation of Dirac current, we elucidate that the Goos-H\"anchen shift can be understood…

Quantum Physics · Physics 2023-10-31 Yue Ban , Xi Chen

Novel fermions with a pseudospin-1 structure can be realized as emergent quasiparticles in condensed matter systems. Here, we investigate its unusual properties during the Andreev reflection at a normal-metal/superconductor (NS) interface.…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Xiaolong Feng , Ying Liu , Zhi-Ming Yu , Zhongshui Ma , L. K. Ang , Yee Sin Ang , Shengyuan A. Yang
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