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Aharonov-Bohm

Analytical expression of Kondo temperature in quantum dot embedded in Aharonov Bohm ring

Analytical expression of Kondo temperature in quantum dot embedded in Aharonov Bohm ring

... We focus on the Kondo effect in a quantum dot embedded in an Aharonov-Bohm (AB) ring. In this sys- tem, the conductance shows an asymmetric resonance as a function of energy level in the quantum dot, ...

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On the spectrum and eigenfunctions of the Schrödinger operator with Aharonov Bohm magnetic
field

On the spectrum and eigenfunctions of the Schrödinger operator with Aharonov Bohm magnetic field

... the magnetic field can be observed in the solutions of the Schr¨odinger equation. It turns out that the spectrum and eigenfunctions of the operator (1.1) can be computed explicitly (Theorem 2.1). Here again, one sees a ...

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Tunable spin dependent Andreev reflection in a four terminal Aharonov Bohm interferometer with coherent indirect coupling and Rashba spin orbit interaction

Tunable spin dependent Andreev reflection in a four terminal Aharonov Bohm interferometer with coherent indirect coupling and Rashba spin orbit interaction

... an Aharonov-Bohm (AB) interferometer containing dou- ble QDs (DQDs) is of particular interest and importance, in which two QDs are embedded in the opposite arms of the AB ring, respectively, and they are ...

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Entanglement between static and flying qubits in an Aharonov Bohm double electrometer

Entanglement between static and flying qubits in an Aharonov Bohm double electrometer

... The mesoscopic components for the proposed entanglement circuit—double quantum dots, ring geometries of quantum wires, and charge electrometers based on the electrostatic coupling of quantum dots to quantum wires—have ...

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Hardy inequalities with Aharonov Bohm type magnetic field on the Heisenberg group

Hardy inequalities with Aharonov Bohm type magnetic field on the Heisenberg group

... Recently, a version of the Aharonov-Bohm magnetic field for a Grushin subelliptic oper- ator has been introduced by Aermark and Laptev []. Furthermore, such quadratic form also satisfies an improved Hardy ...

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Multiple path Quantum Interference Effects in a Double Aharonov Bohm Interferometer

Multiple path Quantum Interference Effects in a Double Aharonov Bohm Interferometer

... Abstract We investigate quantum interference effects in a double-Aharonov-Bohm (AB) interferometer consisting of five quantum dots sandwiched between two metallic elec- trodes in the case of symmetric ...

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Magnetocaloric effect in an Antidot : The effect of the Aharonov-Bohm flux and antidot radius

Magnetocaloric effect in an Antidot : The effect of the Aharonov-Bohm flux and antidot radius

... For the case of an electron in antidot, we treat two instances, the case with an without Aharonov- Bohm flux (AB-flux). We report that the AB-flux fulfills the same role as the spin term (Zeeman effect) in ...

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Aharonov-Bohm Type Oscillations in a System of Two Tunnel Point-Contacts in the Presence of a Single Scatterer: Determination of the Depth of the Buried Impurity

Aharonov-Bohm Type Oscillations in a System of Two Tunnel Point-Contacts in the Presence of a Single Scatterer: Determination of the Depth of the Buried Impurity

... Thus, in this paper we have investigated theoretically the conductance of a system consisting of two closely separated tunnel point contacts in the vicinity of which a point defect is situated, to which a magnetic field ...

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Spin accumulation assisted by the Aharonov Bohm Fano effect of quantum dot structures

Spin accumulation assisted by the Aharonov Bohm Fano effect of quantum dot structures

... of Aharonov-Bohm interferometers with embedded quantum dots by considering spin bias in the ...the Aharonov-Bohm-Fano effect is a necessary condition to achieve the spin accumulation in the ...

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Dynamics of non-Abelian Aharonov-Bohm systems

Dynamics of non-Abelian Aharonov-Bohm systems

... DYNAMICS OF NON ABELIAN AHARONOV BOHM SYSTEMS Thesis by Patrick McGraw In Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy California Institute of Technology Pasadena, Ca[.] ...

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Aharonov Bohm effect for an exciton in a finite width nano ring

Aharonov Bohm effect for an exciton in a finite width nano ring

... Progress in micro-structuring technology allows the construction of nano-sized InGaAs rings by self-assembly [1, 2, 3] or using lithographic techniques [4, 5]. Similarly, PbSe-based nano-rectangles have been synthesized ...

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Excitonic Aharonov Bohm effect in a two dimensional quantum ring

Excitonic Aharonov Bohm effect in a two dimensional quantum ring

... the Aharonov-Bohm ...the Aharonov-Bohm oscillations of the ground state of the exciton decrease with increasing the width, but remarkably the amplitude remains finite down to radius-to-width ...

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Thermoelectric effect in an Aharonov Bohm ring with an embedded quantum dot

Thermoelectric effect in an Aharonov Bohm ring with an embedded quantum dot

... To date, most previous studies focused on single dot with one or multiple energy levels coupled to normal metal or ferromagnetic leads. Recently, parallel and serially coupled double QDs [18,19] structures and triple QDs ...

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A Critical Reexamination of the Electrostatic Aharonov-Bohm Effect

A Critical Reexamination of the Electrostatic Aharonov-Bohm Effect

... Van Oudenaarden et al. [6] observed oscillations in the conductance of a mesoscopic metal ring as a function both of the applied voltage and of an externally-imposed magnetic flux through the ring. They interpreted the ...

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The Relativistic Time Dependent Aharonov Bohm Effect

The Relativistic Time Dependent Aharonov Bohm Effect

... The Aharonov-Bohm (AB) effect [1], consisting of wave function phase shifts due to minimal coupling with four-vector potentials, observable by means of interference patterns, has been a cornerstone of gauge ...

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A Critical Reexamination of the Electrostatic Aharonov-Bohm Effect

A Critical Reexamination of the Electrostatic Aharonov-Bohm Effect

... famous Aharonov-Bohm effect ...1. Aharonov and Bohm’s 1959 exposition is invalid because it does not consider the wavefunction of the entire system, including the source of electrostatic ...Keywords ...

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Quantum Particle on a Rotating Loop: Topological Quenching due to a Coriolis-Aharonov-Bohm Effect

Quantum Particle on a Rotating Loop: Topological Quenching due to a Coriolis-Aharonov-Bohm Effect

... Consequently, a neutral particle on a rotating loop is with respect to the rotating frame equivalent to a charged particle moving on a nonrotating identically shaped loop with uniform ma[r] ...

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Topological edge states and Aharanov-Bohm caging with ultracold atoms carrying orbital angular momentum

Topological edge states and Aharanov-Bohm caging with ultracold atoms carrying orbital angular momentum

... Additionally, a proper tuning of the inter-site separa- tion and the central angle can lead to Aharonov-Bohm (AB) caging [32, 33]. A distinctive advantage regarding the realization of AB caging in this ...

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Topological edge states and Aharanov-Bohm caging with ultracold atoms carrying orbital angular momentum

Topological edge states and Aharanov-Bohm caging with ultracold atoms carrying orbital angular momentum

... Additionally, a proper tuning of the intersite separation and the central angle can lead to Aharonov-Bohm (AB) caging [35,36]. A distinctive advantage regarding the realization of AB caging in this model, ...

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Spin selective Aharonov Casher caging in a topological quantum network

Spin selective Aharonov Casher caging in a topological quantum network

... phenomenon. Comparatively, hardly any effort is exerted to the physics of particles with spin > 1/2 and including both fermionic and bosonic spin states in the context of spin polarized transport or localization ...

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