Quantum Coherence Lab

Zumbühl Group

 

Group Meetings

last update Feb 02, 2018, tc

 

Topics in quantum transport and nanoscience research

Friday, 13:15am, group talks ~45 minutes

Meeting room 1.09

Please announce the paper of the week to the group on or before Wednesday

 

2018 Spring Semester FS 2018

DateNameTopicLink
02.02.18

Tim

Gate Tunable Parallel DOuble Quantum Dots in InAs Double-Nanowire Devices
S. Baba, S. Matsuo, H. Kamata, R.S. Deacon, A. Oiwa, K. Li, S. Jeppesen, L. Samuelson, H. Q. Xu and S. Tarucha
Appl. Phys. Lett. 111, 233513 (2017)
pdf
09.02.18no group meeting
16.02.18Florian
23.02.18no group meeting
28.02.18
Wednesday
10:15 - 1.09
14:15 - 3.12
Trial Talks March Meeting
02.03.18
FS 2018 begins
Fabian
09.03.18no group meeting
16.03.18Mirko
23.03.18Leon
28.03.18
Wednesday
13:15 - 3.12
group meeting
30.03.18Good Friday
06.04.18Bilal
13.04.18group meeting
20.04.18Taras
27.04.18Kris
04.05.18group meeting
09.05.18
Wednesday
13:15 - 3.12
group meeting
11.05.18Ascension day
18.05.18Tim
25.05.18Florian
01.06.18
FS 2018 ends
group meeting
08.06.18group meeting
15.06.18Dominik
22.06.18Bilal
29.06.18group meeting
06.07.18Mirko
13.07.18Taras
20.07.18group meeting
27.07.18Kris
 

2017 Fall Semester (HS 2017)

DateNameTopicLink
22.09.17TimConduction Band Offset and Polarization Effects in InAs Nanowire Polytype Junctions
I-Ju Chen, Sebastian Lehmann, Malin Nilsson, Pyry Kivisaari, Heiner Linke, Kimberly A. Dick, Claes Thelander
Nano Lett., 2017, 17 (2), 902-908
pdf
29.09.17ChristianQuantum Hall effect & Topologypptx
06.10.17group meeting
13.10.17Liuqi

Negative Spin Exchange in a Multielectron Quantum Dot
Federico Martins, Filip K. Malinowski, Peter D. Nissen, Saeed Fallahi, Georey C. Gardner, Michael J. Manfra, Charles M. Marcus and Ferdinand Kuemmeth
arXiv:1706.01007 (2017)

pdf
20.10.17no group meeting
27.10.17no group meeting
03.11.17FlorianElectrical Modulation of Weak-Antilocalization and Spin-Orbit Interaction in Dual Gated Ge/Si core/Shell nanowires
R. Wang, R. S. Deacon, J. Yao, C. M. Lieber and K. Ishibashi
Semiconductor Science and Technology 32, 094002 (2017)
pdf
10.11.17
no group meeting
17.11.17BilalThermal Conductance of a Single-Electron Transistor
B. Dutta, J. T. Peltonen, D. S. Antonenko, M. Meschke, M. A. Skvortsov, B. Kubala, J. König, C. B. Winkelmann, H. Courtois and J. P. Pekola
Phys. Rev. Lett. 119, 077701 (2017)
pdf
24.11.17Dies Academicus
01.12.17
11:00
group meeting
05.12.17ChristianQCQT Seminar Talkpptx
08.12.17LeonQuantum Simulation of a Fermi-Hubbard model using a semiconductor quantum dot array
T. Hensgens, T. Fujita, L. Janssen, Xia Li, C. J. Van Diepen, C. Reichl, W. Wegscheider, S. Das Sarma and L. M. K. Vandersypen
Nature 548, 70-73 (2017)
pptx
15.12.17MirkoGiant Valley-Isospin Conductance Oscillations in Ballistic Graphene
Clevin Handschin, Peter Makk, Peter Rickhaus, Romain Maurand, Kenji Watanabe, Takashi Taniguchi, Klaus Richter, Ming-Hao Liu and Christian Schönenberger
Nano Lett., 2017, 17 (9), 5389-5393
pptx
22.12.17
HS17 ends
group meeting
05.01.18group meeting
12.01.18Taras

Electrical generation and detection of spin waves in a quantum Hall ferromagnet
D. S. Wei, T. Van der Sar, S. H. Lee, K. Watanabe, T. Taniguchi, B.I. Halperin, and A. Yacoby
arXiv:1801.08534 (2018)

pptx
19.01.18Christian
22.01.18ChristianQStarter: Basel Cryogenicspptx
26.01.18KrisScaling of Majorana Zero-Bias Conductance Peaks
F. Nichele, A.C.C. Drachmann, A.M. Whiticar, E.C.T. O`Farrell, H.J. Suominen, A. Fornieri, T. Wang, G.C. Gardner, C. Thomas, A.T. Hatke, P. Krogstrup, M.J. Manfra, K. Flensberg, and C.M. Marcus
Phys. Rev. Lett. 119, 136803 (2017)

 

pptx
 

2017 Spring Semester (FS2017)

DateNameTopicLink
06.01.17no group meeting
13.01.17Liuqi
20.01.17ChristianQuantum Hall Spin Diode
J.P. Eisenstein, L.N. Pfeiffer and K.W. West
arXiv:1701.04463v1, (2017)
27.01.17FlorianStrong coupling of a single electron in silicon to a microwave photon
X. Mi, J. V. Cady, D. M. Zajac, P. W. Deelman, J. R. Petta
Science 355, 155-158 (2017)
03.02.17
no group meeting (QSIT Arosa GM)
10.02.17TarasEdge state spectroscopy in GaAs quantum wires
17.02.17
no group meeting
24.02.17
FS17 begins
group meeting
03.03.17Leon

Anisotropy and suppression of spin-flip tunneling
A. Hofmann, V. F. Maisi, T. Krähenmann, C. Reichl, W. Wegschneider, K. Ensslin and T. Ihn
arXiv:1612.06199, (2016)

10.03.17Mirko

Resonant tunneling between the chiral Landau states of twisted graphene lattices
M. T. Greenaway, E. E. Vdovin, A. Mishchenko, O. Makarovsky, A. Patane, J. R. Wallbank, Y. Cao, A. V. Kretinin, M. J. Zhu, S. V. Morozov, V. I. Fal'ko, K. S. Novoselov, A. K. Geim, T. M. Fromhold and L. Eaves
Nature Physics 11.12 (2015): 1057-1062

17.03.17MarioOn-chip magnetic cooling of a nanoelectronic device
D. I. Bradley, A. M. Guénault, D. Gunnarsson, R. P. Haley, S. Holt, A. T. Jones, Yu. A. Pashkin, J. Penttilä, J. R. Prance, M. Prunnila and L. Roschier
arXiv:1611.02483, (2016)
pptx
02.05.17PirminQCQT talk
Stretchable persistent spin helices - experiments and theory
24.03.17group meeting
31.03.17TimConductance through a helical state in an InSb nanowire
J. Kammhuber, M. C. Cassidy, F. Pei, M. P. Nowak, A. Vuik, D. Car, S. R. Plissard, E. P. A. M. Bakkers, M. Wimmer and L. P. Kouwenhoven
arXiv:1701.06878v1, (2017)
pdf
07.04.17BilalEngineering quantum confinement in semiconducting van-der-Waals heterostructure
K. Wang, T. Taniguchi, K. Watanabe and P. Kim
arXiv:1610.02929, (2016)
pdf
14.04.17no group meeting (Good Friday)
21.04.17group meeting
28.04.17Liuqi

Atomically engineered electron spin lifetimes of 30 s silicon
T. F. Watson, B. Weber, Y.-L. Hsueh, L. C. L. Hollenberg, R. Rahman and M. Y. Simmons
Science Advances 3.3 (2017): e1602811.

pdf
02.05.17MarioQCQT talk
Sub-gap bound state in normal metal-insulator-superconductor junctions
05.05.17no group meeting
12.05.17ChristianLandau Level Spectroscopy (Part VII) - Tunneling intensity predictions, quantum wire mode reconstruction, Fermi-level pinning and exchange interactions
19.05.17KrisSpin-orbit interaction in a dual gated InAs/GaSb quantum well
Arjan J. A. Beukman, Folket K. de Vries, Jasper van Veen, Rafal Skolasinski, Michael Wimmer, Fanming Qu, David T. de Vries, Binh-Minh Nguyen, Wei Yi, Andrey A. Kiselev, Marko Sokolich, Michael J. Manfra, Fabrizio Nichele, Charles M. Marcus, Leo P. Kouwenhoven
arXiv:1704.03482, (2017)
pptx
24.05.17
Wednesday
11:00, 4.1
Florian and Timtrials talks QSIT junior meeting
26.05.17no group meeting (Friday after Ascension)
02.06.17
FS17 ends
Mirko

Electrically tunable transverse magnetic field focusing in graphene
Thiti Taychatanapat, Kenji Watanabe, Takashi Taniguchi and Pablo Jarillo-Herrero
Nature Physics 9, 225-229 (2013)

pdf
09.06.17
10:15, 1.09
Dominik
16.06.17group meeting
23.06.17FlorianHigh-fidelity entangling gate for double-quantum-dot spin qbits
John M. Nichol, Lucas A. Orona, Shannon P. Harvey, Saeed Fallahi, Geoffrey C. Garner, Michael J. Manfra and Amir Yacoby
npj Quantum Information 3 (2017)
pdf
30.06.17TarasInducing superconducting correlation in quantum Hall edge states
Gil-Ho lee, Ko-Fan Huang, Dimitri K. Efetov, Di S. Wei, Sean Hart, Takashi Taniguchi, Kenji Watanabe, Amir Yacoby and Philip Kim
Nature Physics (2017) doi:10.1038/nphys4084
pptx
07.07.17group meeting
14.07.17BilalEdge Conduction in Monolayer WTe2
Zaiyao Fei, Tauno Palomaki, Sanfeng Wu, Wenjin Zhao, Xinghan Cai, Bosong Sun, Paul Nguyen, Joseph Finney, Xiaodong Xu and David H. Cobden
Nature Physics 13, 677 (2017), doi:10.1038/nphys4091
pdf
21.07.17
group meeting
28.07.17group meeting
04.08.17no group meeting
11.08.17Leon

Robust Single-Shot Spin Measurement with 99.5% Fidelity in a Quantum Dot Array
Takashi, Matthieu R. Delbecq, Tomohiro Otsuka, Peter Stano, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kento Kawasaki, Kenta Taketa, Giles Allison, Arne Ludwig, Andreas D. Wieck, Daniel Loss and Seigo Tarucha
Phys. Rev. Letters 119, 017701 (2017)

pptx
18.08.17no group meeting
25.08.17
group meeting
01.09.17Kris
08.09.17group meeting
15.09.17group meeting