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Related papers: Pauli blockade microscopy of quantum dots

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A complete numerical description of the charge and spin dynamics of a two-electron system confined in narrow nanowire quantum dots under oscillating electric field is presented in the context of recent electric dipole spin resonance…

Mesoscale and Nanoscale Physics · Physics 2014-05-14 M. P. Nowak , B. Szafran

We present measurements of resonant tunneling through discrete energy levels of a silicon double quantum dot formed in a thin silicon-on-insulator layer. In the absence of piezoelectric phonon coupling, spontaneous phonon emission with…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 H. W. Liu , T. Fujisawa , Y. Ono , H. Inokawa , A. Fujiwara , K. Takashina , Y. Hirayama

Double quantum dots are convenient solid-state platforms to encode quantum information. Two-electron spin states can be conveniently detected and manipulated using strong quantum selection rules based on the Pauli exclusion principle,…

Mesoscale and Nanoscale Physics · Physics 2011-11-22 N. S. Lai , W. H. Lim , C. H. Yang , F. A. Zwanenburg , W. A. Coish , F. Qassemi , A. Morello , A. S. Dzurak

We investigate spin states of few electrons in a double quantum dot by coupling them weakly to a magnetic field resilient NbTiN microwave resonator. We observe a reduced resonator transmission if resonator photons and spin singlet states…

Mesoscale and Nanoscale Physics · Physics 2019-05-31 A. J. Landig , J. V. Koski , P. Scarlino , C. Reichl , W. Wegscheider , A. Wallraff , K. Ensslin , T. Ihn

We analyzed the electronic transport through a double quantum dot in the spin blockade regime. Experiments of current rectification by Pauli exclusion principle in double quantum dots were discussed. The electron and nuclei spin dynamics…

Mesoscale and Nanoscale Physics · Physics 2007-08-22 Jesus Inarrea , Gloria Platero , A. H. MacDonald

Pauli-spin blockade (PSB) is a transport phenomenon in double quantum dots that allows for a type of spin to charge conversion often used to probe fundamental physics such as spin relaxation and singlet-triplet coupling. In this paper we…

Mesoscale and Nanoscale Physics · Physics 2016-05-04 Justin K. Perron , M. D. Stewart , Neil M. Zimmerman

We consider a double quantum dot in the Pauli blockade regime interacting with a nearby single spin. We show that under microwave irradiation the average electron occupations of the dots exhibit resonances that are sensitive to the state of…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 G. Giavaras , J. Wabnig , B. W. Lovett , J. H. Jefferson , G. A. D. Briggs

In a two-level system, constituted by two serially coupled single level quantum dots, coupled to external leads we find that the current is suppressed in one direction of biasing caused by a fully occupied two-electron triplet state in the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. Fransson , M. Rasander

Pauli blockade mechanisms -- whereby carrier transport through quantum dots is blocked due to selection rules even when energetically allowed -- are a direct manifestation of the Pauli exclusion principle, as well as a key mechanism for…

We prepare a triple quantum dot with a separate contact lead to each dot to study Pauli spin blockade in the tunnel-coupled three dots in a row. We measure the tunneling current flowing between the center dot and either the left or right…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 A. Noiri , T. Takakura , T. Obata , T. Otsuka , T. Nakajima , J. Yoneda , S. Tarucha

Pauli spin blockade in quantum dot systems occurs when the charge transport is allowed only for some spin states, and it has been an efficient tool in spin-based qubit devices in semiconductors. We theoretically investigate a Pauli spin…

Mesoscale and Nanoscale Physics · Physics 2022-08-24 Yun-Pil Shim

Pauli exclusion principle can lead to a supression of transport through double quantum dots, even if both quantum dots are connected by a resonant driving ac field. In this work, we study how this effect, known as spin blockade, can be…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 R. Sánchez , G. Platero , R. Aguado , E. Cota

Utilizing the Pauli-blocking mechanism we show that shining circular polarized light on a singly-charged quantum dot induces spin dependent fluorescence. Employing the quantum-jump technique we demonstrate that this resonance luminescence,…

Other Condensed Matter · Physics 2009-11-10 E. Pazy , T. Calarco , P. Zoller

We theoretically study the $(1,1)$ triplet to $(0,2)$ singlet relaxation rate in a lateral gate-defined double quantum dot tuned to the regime of Pauli spin blockade. We present a detailed derivation of the effective phonon density of…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 J. Danon

Singlet-triplet spin blockade in a few-electron lateral double quantum dot is investigated using simultaneous transport and charge-sensing measurements. Transport from the (1,1) to the (0,2) electron occupancy states is strongly suppressed…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. C. Johnson , J. R. Petta , C. M. Marcus , M. P. Hanson , A. C. Gossard

We propose and demonstrate complete spin state readout of a two-electron system in a double quantum dot probed by an electrometer. The protocol is based on repetitive single shot measurements using Pauli spin blockade and our ability to…

Pauli blockade is a fundamental quantum phenomenon that also serves as a powerful tool for qubit manipulation and read-out. While most systems exhibit a simple even-odd pattern of double-dot Pauli spin blockade due to the preferred singlet…

Mesoscale and Nanoscale Physics · Physics 2024-04-11 Chuyao Tong , Annika Kurzmann , Rebekka Garreis , Kenji Watanabe , Takashi Taniguchi , Thomas Ihn , Klaus Ensslin

Silicon quantum dots are attractive candidates for the development of scalable, spin-based qubits. Pauli spin blockade in double quantum dots provides an efficient, temperature independent mechanism for qubit readout. Here we report on…

Mesoscale and Nanoscale Physics · Physics 2017-04-25 D. Kotekar-Patil , A. Corna , R. Maurand , A. Crippa , A. Orlov , S. Barraud , X. Jehl , S. De Franceschi , M. Sanquer

Spin qubits based on interacting spins in double quantum dots have been successfully demonstrated. Readout of the qubit state involves a conversion of spin to charge information, universally achieved by taking advantage of a spin blockade…

In this work, we study hole transport in a planar silicon metal-oxide-semiconductor based double quantum dot. We demonstrate Pauli spin blockade in the few hole regime and map the spin relaxation induced leakage current as a function of…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 R. Li , F. E. Hudson , A. S. Dzurak , A. R. Hamilton
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