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The discovery of the anomalous Hall effect (AHE) in bulk metallic antiferromagnets (AFMs) motivates the search of the same phenomenon in two-dimensional (2D) systems, where a quantized anomalous Hall conductance can in principle be…

Matter-wave interferometers reveal some of the most fascinating phenomena of the quantum world. Phase shifts due to rotation (the Sagnac effect) for neutrons, free atoms and superfluid 3He reveal the connection of matter waves to a…

Superconductivity · Physics 2009-11-11 Emile Hoskinson , Yuki Sato , Richard Packard

In systems with the spin-charge separation, the period of the Aharonov-Bohm (AB) oscillation becomes half of the flux quantum. This effect is at least related to the fact that for the creation of the holons (spinons) are needed two…

Condensed Matter · Physics 2007-05-23 F. V. Kusmartsev

We propose the $2\pi$-periodic Aharonov-Bohm (AB) effect as a nonlocal probe of Majorana zero modes (MZMs) without the restriction of fermion parity. We demonstrate the enhancement of the AB effect, where the topological protection of MZMs…

Mesoscale and Nanoscale Physics · Physics 2023-04-19 Masayuki Sugeta , Takeshi Mizushima , Satoshi Fujimoto

We report the experimental observation of tunable, non-reciprocal quantum transport of a Bose-Einstein condensate in a momentum lattice. By implementing a dissipative Aharonov-Bohm (AB) ring in momentum space and sending atoms through it,…

Quantum Gases · Physics 2020-02-26 Wei Gou , Tao Chen , Dizhou Xie , Teng Xiao , Tian-Shu Deng , Bryce Gadway , Wei Yi , Bo Yan

Signature of phase coherence on the electric and magnetic response of non connected Aharonov-Bohm rings is measured by a resonant method at 350 MHz between 20 mK and 500 mK. The rings are etched in a GaAs-AlGaAs heterojunction. Both…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 R. Deblock , Y. Noat , B. Reulet , H. Bouchiat , D. Mailly

An experiment is proposed in which the Aharonov-Bohm effect can be veryfied through a spectroscopic measurement. The apparatus consists of gaseous hydrochloric acid (HCl) immersed in the vector potential ${\bf A}$ present in the center of a…

Quantum Physics · Physics 2016-07-27 C. Laganá

Aharonov-Bohm (AB) and Aharonov-Casher (AC) effects are treated fully relativistically in 2+1 dimensions. The influences of the relevant geometric and topological phases on an entangled spin-1/2 system are studied. It is shown that for the…

Quantum Physics · Physics 2021-10-27 H. O. Cildiroglu , A. U. Yilmazer

We present a detailed analysis of the Aharonov-Bohm (AB) interference oscillations manifested through transmission of an electron in a mesoscopic ring with a magnetic impurity atom inserted in one of its arms. The spin polarization…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Sandeep K. Joshi , Debendranath Sahoo , A. M. Jayannavar

Aharonov-Bohm (AB) caging, a special flat-band localization mechanism, has spurred great interest in different areas of physics. AB caging can be harnessed to explore the rich and exotic physics of quantum transport in flatband systems,…

Quantum Gases · Physics 2022-11-24 Hang Li , Zhaoli Dong , Stefano Longhi , Qian Liang , Dizhou Xie , Bo Yan

We discuss the consequences of the Aharonov-Bohm effect in setups involving several charged particles, wherein none of the charged particles encloses a closed loop around the magnetic flux. We show that in such setups, the AB phase is…

Quantum Physics · Physics 2009-11-11 A. Retzker , Y. Aharonov , A. Botero , S. Nussinov , B. Reznik

Measurements of the Little-Parks oscillations at measuring current much lower than the persistent current give unambiguous evidence of the dc current flowing against the force of the dc electric field because of the Aharonov-Bohm effect.…

Superconductivity · Physics 2009-10-28 V. L. Gurtovoi , A. V. Nikulov , V. A. Tulin

We analyze a Josephson junction between two superconductors interconnected through a normal-state nanostructure made of two parallel nanowires with embedded quantum dots. We study the influence of interference effects due to the…

Mesoscale and Nanoscale Physics · Physics 2019-12-06 Damian Tomaszewski , Piotr Busz , Rosa Lopez , Rok Zitko , Minchul Lee , Jan Martinek

We have measured weak antilocalization effects, universal conductance fluctuations, and Aharonov-Bohm oscillations in the two-dimensional electron gas formed in InGaAs/AlInAs heterostructures. This system possesses strong spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 L. H. Tzarfati , A. Aharony , O. Entin-Wohlman , M. Karpovski , V. Shelukhin , V. Umansky , A. Palevski

Magnetic flux piercing a carbon nanotube induce periodic gap oscillations which represent the Aharonov-Bohm effect at nanoscale. Here we point out, by analyzing numerically the anisotropic Hubbard model on a honeycomb lattice, that similar…

Mesoscale and Nanoscale Physics · Physics 2023-10-06 Adam Rycerz , Maciej Fidrysiak , Danuta Goc-Jagło

We show that Aharonov-Bohm (AB) oscillations in the magnetic moment of an integrable ballistic quantum dot can be destroyed by a time dependent magnetic flux. The effect is due to a nonequilibrium population of perfectly coherent electronic…

Condensed Matter · Physics 2009-10-22 T. Swahn , E. N. Bogachek , Yu. M. Galperin , M. Jonson , R. I. Shekhter

Aharonov-Bohm (AB) interferences in the quantum Hall regime can be achieved, provided that electrons are able to transmit between two edge channels in nanostructures. Pioneering approaches include quantum point contacts in 2DEG systems,…

Mesoscale and Nanoscale Physics · Physics 2019-11-21 Viet Hung Nguyen , Jean-Christophe Charlier

We present a microscopic picture of quantum transport in the Aharonov-Bohm (AB) interferometer taking into account electron interaction within the Hartree and the spin density functional theory approximations. We discuss the structure of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 S. Ihnatsenka , I. V. Zozoulenko

We develop a unified treatment of the non-Abelian Aharonov-Bohm (AB) effect in isotropic multiband systems, namely, the scattering of particles on a gauge field corresponding to a noncommutative Lie group. We present a complex contour…

Quantum Physics · Physics 2023-07-04 Róbert Németh , József Cserti

We study the Aharonov-Bohm effect for an exciton on a nano-ring using a 2D attractive fermionic Hubbard model. We extend previous results obtained for a 1D ring in which only azimuthal motion is considered, to a more general case of 2D…

Strongly Correlated Electrons · Physics 2007-05-23 F. Palmero , J. Dorignac , J. C. Eilbeck , R. A. Romer
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