orbital contr ol, g‐factor and spiin tunneling a gaa · means of ga on, experim es and inve...

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O i s T R C i Orbita anisotr Open pos in the Quant magnetic fie Furthermore upon changi spin embedd This project Nano meas Tunin Physi mate Analy Prese Referenc [1] D. Loss et al [2] R. Hanson e [3] C. Kloeffel e [4] L. C. Camenz [5] P. Stano et a [6] L. C. Camenz Contact If you are in initiate furth By applying vsingle electron dimensional ele quantum comp l contr ropy in sition ava tum Coheren elds are cond e, the projec ng the direct ded in a semi involves o fabrication surements in ng, controllin cs of quantu rial at large m yzing comple entation of th ces ., “Quantum co t al., “Spins in f et al., “Prospects zind et al., “Spe al., “Gatedefine zind et al., “Hyp nterested to her discussion oltages on nan n quantum do ectron gas. The putation. rol, g‐fa n a GaA ailable nce Group (Zu ducted in or ct involves th tion of the in iconductor h in a clean a He3/He4 g and progra um dots, orb magnetic fiel x experimen he results at omputation with ewelectron qua s for SpinBased ectroscopy of Qu ed quantum do perfinephonon join our gro ns. nofabricated s ot is imprinte e spin of this ob actor a As quan umbühl Grou der to split he investigat nplane magn host material n room, opt 4 dilution ref amming of a ital states, e lds ntal data and internationa h quantum dots antum dots”,. R d Quantum Com uantumDot Or t in a strong inspin relaxation oup, do not urfacegates, a ed into a two bject is used fo and spi ntum d up) in Basel: We are lo for the re well as s Arsenide at millike dots [1–3 (2DEG) ar recent pro level of t exceeding The suitab states by In additi the spin stat tion of the g netic in GaAs . timization o rigerator nanoelectro excited state developing al conference s”, Phys. Rev. A Rev. Mod. Phys. mputing in Quan rbitals with InPl plane magnetic n in a singleelec hesitate to a o r in tunn dot ooking for a h esearch of th spin tunnel (GaAs) quan lvin temper 3] confined re now seein ogress in bot unability an gly long spin ble candidat means of ga on, experim tes and inve gfactor aniso s, essential fo f lateral qu onic spin qub spectroscop models in co es and public 57, 120 (1998) 79, 1217 (2007 ntum Dots”, Ann lane Magnetic F c field: orbital e ctron GaAs quan send an em neling highly motiva he theoretica ing anisotro ntum dot sp atures. Spin in a two ng a resurge th GaAs and d shape con relaxation ti e will contro ated shape m ments at r estigate the s otropy, pred or understan uantum dot bit device py, single spin ollaboration w ation in high 7). nu. Rev. Conden Fields”, arxiv:18 effects”, arxiv:18 ntum dot”, arxi mail to domi ated and tale ally gfactor opy in a la pin qubit de qubits in g dimensional e in interest Si. The syste ntrol [4,5], a mes [6]. ol the quant manipulation relatively st spin tunneli dicted as bei nding the phy designs, an ns in a semic with theory g h quality jour ns. Matter Phys 804.00162 (201 804.00128 (201 v:1711.01474 ( inik.zumbuhl ented physic anisotropy, ateral Galliu vice measur gated quantu l electron g t due to a fa ms offer a hi and experien um dot orbi of the syste trong inpla ng anisotrop ng only ~10 ysics of a sing nd subseque conductor ho groups nals s. 4, 51 (2013) 18) 18 2018) l@unibas.ch cist as um red um gas ast igh nce tal m. ane py. 0% gle ent ost to

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Page 1: Orbital contr ol, g‐factor and spiin tunneling a GaA · means of ga on, experim es and inve ‐factor aniso, essential fo f lateral qu nic spin qub spectroscop models in co s and

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Referenc[1] D. Loss et al[2] R. Hanson e[3] C. Kloeffel e[4] L. C. Camenz[5] P. Stano et a[6] L. C. Camenz

ContactIf  you  are  in

initiate furth

By  applying  vosingle  electrondimensional elequantum comp

lcontrropyin

sitionavatum Coheren

elds are cond

e, the projec

ng the direct

ded in a semi

involves 

o  fabricationsurements in ng, controllin

cs of quanturial at large myzing comple

entation of th

ces., “Quantum cot al., “Spins in fet al., “Prospectszind et al., “Speal., “Gate‐definezind et al., “Hyp

nterested  to

her discussion

oltages  on  nann  quantum  doectron gas. Theputation. 

rol,g‐fanaGaA

ailablence Group (Zu

ducted  in or

ct  involves th

tion of the in

iconductor h

  in  a  clean a He‐3/He‐4g and progra

um dots, orbmagnetic fielx experimen

he results at 

omputation withfew‐electron quas for Spin‐Basedectroscopy of Qued quantum doperfine‐phonon 

  join  our  gro

ns. 

nofabricated  sot  is  imprintee spin of this ob

actoraAsquan

umbühl Grou

der  to split 

he  investigat

n‐plane magn

host material

n  room,  opt4 dilution refamming of a 

ital states, elds ntal data and 

internationa

h quantum dotsantum dots”,. Rd Quantum Comuantum‐Dot Ort in a strong in‐spin relaxation

oup,  do  not

urface‐gates,  aed  into  a  twobject  is used  fo

andspintumd

up) in Basel:

We are lo

for the  re

well  as  s

Arsenide 

at millike

dots  [1–3

(2DEG)  ar

recent pro

level  of  t

exceeding

The suitab

states by

In  additi

the spin  stat

tion of the g

netic in GaAs

timization  origerator nano‐electro

excited state 

developing 

al conference

s”, Phys. Rev. ARev. Mod. Phys.mputing in Quanrbitals with In‐Pl‐plane magneticn in a single‐elec

  hesitate  to 

 

a or

intunndot

ooking for a h

esearch of th

spin  tunnel

(GaAs) quan

lvin  temper

3]  confined

re  now  seein

ogress in bot

unability  an

gly long spin 

ble candidat

means of ga

on,  experim

tes and  inve

g‐factor aniso

s, essential fo

f  lateral  qu

onic spin qub

spectroscop

models in co

es and public

57, 120 (1998) 79, 1217 (2007ntum Dots”, Annlane Magnetic Fc field: orbital efctron GaAs quan

  send  an  em

neling

highly motiva

he theoretica

ing  anisotro

ntum dot  sp

atures.  Spin 

in  a  two 

ng  a  resurge

th GaAs and 

d  shape  con

relaxation ti

e will contro

ated shape m

ments  at  r

estigate  the s

otropy, pred

or understan

uantum  dot 

bit device 

py, single spin

ollaboration w

ation in high

7). nu. Rev. CondenFields”, arxiv:18effects”, arxiv:18ntum dot”, arxi

mail  to  domi

ated and tale

ally g‐factor 

opy  in  a  la

pin qubit de

  qubits  in  g

dimensional

e  in  interest

Si. The syste

ntrol  [4,5],  a

mes [6].  

ol the quant

manipulation 

relatively  st

spin  tunneli

dicted as bei

nding the phy

designs,  an

ns in a semic

with theory g

h quality jour

ns. Matter Phys804.00162 (201804.00128 (201v:1711.01474 (

inik.zumbuhl

ented physic

anisotropy, 

ateral  Galliu

vice measur

gated  quantu

l  electron  g

t  due  to  a  fa

ms offer a hi

and  experien

um dot orbi

of the syste

trong  in‐pla

ng anisotrop

ng only ~10ysics of a sing

nd  subseque

conductor ho

groups 

nals 

s. 4, 51 (2013) 18) 18 2018) 

[email protected]

cist 

as 

um 

red 

um 

gas 

ast 

igh 

nce 

tal 

m. 

ane 

py. 

0% 

gle 

ent 

ost 

to