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   Articles with "quantum ring" as a keyword



The electronic properties of concentric double quantum ring and possibility designing XOR gate

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recommendations! Published in 2017 at "Solid State Communications"

DOI: 10.1016/j.ssc.2017.02.007

Abstract: Abstract In this paper I have investigated the Aharonov–Bohm oscillation in concentric double quantum ring. The outer ring attached to leads while the inner ring only tunnel-coupled to the outer ring. The effect of inner… read more here.

Keywords: xor gate; oscillation; gate; double quantum ... See more keywords

Manipulation of Majorana bound states in proximity to a quantum ring with Rashba coupling

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recommendations! Published in 2022 at "Scientific Reports"

DOI: 10.1038/s41598-022-05043-y

Abstract: The quest for Majorana zero modes in the laboratory is an active field of research in condensed matter physics. In this regard, there have been many theoretical proposals; however, their experimental detection remains elusive. In… read more here.

Keywords: ring rashba; manipulation majorana; majorana zero; quantum ring ... See more keywords

Thermoelectric and thermospin properties in a quantum ring with an embedded protein-like single-helical molecule

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recommendations! Published in 2017 at "Applied Physics Letters"

DOI: 10.1063/1.4986380

Abstract: We investigate the thermoelectric and thermospin effects in a quantum ring whose arms are embedded by one protein-like single-helical molecule and one quantum dot, respectively. It shows that both the thermoelectric and thermospin effects are… read more here.

Keywords: thermospin effects; like single; thermospin; protein like ... See more keywords

Thermodynamics of a quantum ring modified by Lorentz violation

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recommendations! Published in 2022 at "Physica Scripta"

DOI: 10.1088/1402-4896/acd30d

Abstract: In this work, we investigate the consequences of Lorentz-violating terms in the thermodynamic properties of a 1-dimensional quantum ring. In particular, we use the ensemble theory to obtain our results of interest. The thermodynamic functions… read more here.

Keywords: thermodynamics quantum; modified lorentz; quantum ring; thermodynamics ... See more keywords

Spin transport in a Rashba-coupled two-dimensional quantum ring: An analytical model

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recommendations! Published in 2018 at "Physical Review B"

DOI: 10.1103/physrevb.98.205408

Abstract: We study controlled spin transport through a two-dimensional (2D) spin-orbit coupled quantum ring of finite width. Complete analytical expressions for the energy spectrum and wave function of a 2D ring are obtained in the presence… read more here.

Keywords: spin transport; analytical model; ring analytical; two dimensional ... See more keywords

Electronic States and Persistent Currents in Nanowire Quantum Ring

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recommendations! Published in 2018 at "Semiconductors"

DOI: 10.1134/s1063782618040188

Abstract: A new model of a quantum ring defined inside a nanowire is proposed. The one-particle Hamiltonian for electron in [111]-oriented nanowire quantum ring is constructed taking into account both Rashba and Dresselhaus spin-orbit coupling. The… read more here.

Keywords: persistent currents; currents nanowire; electronic states; nanowire quantum ... See more keywords

A novel quantum ring signature based on secret sharing

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recommendations! Published in 2024 at "Modern Physics Letters A"

DOI: 10.1142/s0217732323501754

Abstract: Quantum signature has become a hot topic in the current research of digital signature schemes due to its unconditional security. As a special kind of digital signature, ring signatures are frequently employed in practical situations… read more here.

Keywords: ring signature; based secret; signature; secret sharing ... See more keywords

Temperature-Dependent Exciton Dynamics in a Single GaAs Quantum Ring and a Quantum Dot

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recommendations! Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano12142331

Abstract: Micro-photoluminescence was observed while increasing the excitation power in a single GaAs quantum ring (QR) at 4 K. Fine structures at the energy levels of the ground (N = 1) and excited (N = 2)… read more here.

Keywords: exciton; state; quantum ring; gaas quantum ... See more keywords