Berthold JÄCK

PhD in Physics
Swiss Federal Institute of Technology, Lausanne (EPFL), 2015

Assistant Professor
Department of Physics



(852) 2358 7495
bjaeck@ust.hk
Room 4435
Personal Web

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Google Scholar
JzzHxjsAAAAJ

ORCID
0000-0003-3826-0855

Scopus ID
56442207500




Research Interest Publications Projects Teaching Assignment RPG Supervision




Research Interest

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Condensed matter physics
Microscopy
Topological phases and topological materials
Strongly correlated materials
Disordered materials



Publications

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All Years 14 2022 0 2021 3 2020 2 2019 2 2018 0 2017 1 2016 6

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2021 3

Detecting And Distinguishing Majorana Zero Modes With The Scanning Tunnelling Microscope
Nature Reviews Physics, v. 3, (8), August 2021, p. 541-554
Jaeck, Berthold; Xie, Yonglong; Yazdani, Ali Article
Visualizing the multifractal wavefunctions of a disordered two-dimensional electrongas
Physical Review Research, v. 3, (1), Janaury-March 2021, article number 013022
Jaeck, Berthold; Zinser, Fabian; Konig, Elio J.; Wissing, Sune N.P.; Schmidt, Anke B.; Donath, Markus; Kern, Klaus; Ast, Christine R. Article
New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds
APS March Meeting 2021, Virtual, USA, 15-19 March 2021
Place, Alexander; Rodgers, Lila; Dutta, Aveek; Mundada, Pranav; Smitham, Basil; Fitzpatrick, Mattias V.; Leng, Zhaoqi; Premkumar, Anjali; Bryon, Jacob Elvin; Sussman, Sara; Cheng, Guangming; Madhavan, Trisha N.; Babla, Harshvardhan; Jaeck, Berthold; Gyenis, Andras; Yao, Nan; Cava, Robert; De Leon, Nathalie; Houck, Andrew Conference paper

2020 2

Observation of backscattering induced by magnetism in a topological edge state
Proceedings of the National Academy of Sciences of the United States of America, v. 117, (28), July 2020, p. 16214-16218
Jaeck, Berthold; Xie, Yonglong; Bernevig, B. Andrei; Yazdani, Ali Article
Tunneling Spectroscopy of Quantum Spin Liquids
Physical Review Letters, v. 125, (26), December 2020, article number 267206
Konig, Elio J.; Randeria, Mallika T.; Jaeck, Berthold Article

2019 2

Observation of a Majorana zero mode in a topologically protected edge channel
Science, v. 346, (6447), June 2019, p. 1255-1259
Jaeck, Berthold; Xie, Yonglong; Li, Jian; Jeon, Sangjun; Bernevig, B. Andrei; Yazdani, Ali Article
Spectroscopic signatures of many-body correlations in magic-angle twisted bilayer graphene
Nature, v. 572, (7767), August 2019, p. 101-105
Xie, Yonglong; Lian, Biao; Jaeck, Berthold; Liu, Xiaomeng; Chiu, Cheng-Li; Watanabe, Kenji; Taniguchi, Takashi; Bernevig, B. Andrei; Yazdani, Ali Article

2017 1

Quantum Brownian Motion at Strong Dissipation Probed by Superconducting Tunnel Junctions
Physical Review Letters, v. 119, (14), October 2017, article number 147702
Jaeck, Berthold; Senkpiel, Jacob; Etzkorn, Markus; Ankerhold, Joachim; Ast, Christian R.; Kern, Klaus Article

2016 2

Critical Josephson current in the dynamical Coulomb blockade regime
Physical Review B, v. 93, (2), January 2016, article number 020504
Jaeck, Berthold; Eltschka, Matthias; Assig, Maximilian; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus Article
Sensing the quantum limit in scanning tunnelling spectroscopy
Nature Communications, v. 7, October 2016, article number 13009
Ast, Christian R.; Jaeck, Berthold; Senkpiel, Jacob; Eltschka, Matthias; Etzkorn, Markus; Ankerhold, Joachim; Kern, Klaus Article

2015 2

A nanoscale gigahertz source realized with Josephson scanning tunneling microscopy
Applied Physics Letters, v. 106, (1), January 2015, article number 013109
Jaeck, Berthold; Eltschka, Matthias; Assig, Maximilian; Hardock, Andreas; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus Article
Superconducting scanning tunneling microscopy tips in a magnetic field: Geometry-controlled order of the phase transition
Applied Physics Letters, v. 107, (12), September 2015, article number 122601
Eltschka, Matthias; Jaeck, Berthold; Assig, Maximilian; Kondrashov, Oleg V.; Skvortsov, Mikhail A.; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus Article

2014 1

Probing absolute spin polarization at the nanoscale
Nano Letters, v. 14, (12), December 2014, p. 7171-7174
Eltschka, Matthias; Jaeck, Berthold; Assig, Maximilian; Kondrashov, Oleg V.; Skvortsov, Mikhail A.; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus Article

2012 1

Excitation dynamics in low band gap donor-acceptor copolymers and blends
Advanced Energy Materials, v. 2, (12), December 2012, p. 1477-1482
Gieseking, Bj?rn; Jaeck, Berthold; Preis, Eduard; Jung, Stefan; Forster, Michael; Scherf, Ullrich; Deibel, Carsten; Dyakonov, Vladimir Article


Expand All Collapse All


Article 2

Detecting And Distinguishing Majorana Zero Modes With The Scanning Tunnelling Microscope
Nature Reviews Physics, v. 3, (8), August 2021, p. 541-554
Jaeck, Berthold; Xie, Yonglong; Yazdani, Ali
Visualizing the multifractal wavefunctions of a disordered two-dimensional electrongas
Physical Review Research, v. 3, (1), Janaury-March 2021, article number 013022
Jaeck, Berthold; Zinser, Fabian; Konig, Elio J.; Wissing, Sune N.P.; Schmidt, Anke B.; Donath, Markus; Kern, Klaus; Ast, Christine R.

Conference paper 1

New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds
APS March Meeting 2021, Virtual, USA, 15-19 March 2021
Place, Alexander; Rodgers, Lila; Dutta, Aveek; Mundada, Pranav; Smitham, Basil; Fitzpatrick, Mattias V.; Leng, Zhaoqi; Premkumar, Anjali; Bryon, Jacob Elvin; Sussman, Sara; Cheng, Guangming; Madhavan, Trisha N.; Babla, Harshvardhan; Jaeck, Berthold; Gyenis, Andras; Yao, Nan; Cava, Robert; De Leon, Nathalie; Houck, Andrew


Expand All Collapse All


Article 2

Observation of backscattering induced by magnetism in a topological edge state
Proceedings of the National Academy of Sciences of the United States of America, v. 117, (28), July 2020, p. 16214-16218
Jaeck, Berthold; Xie, Yonglong; Bernevig, B. Andrei; Yazdani, Ali
Tunneling Spectroscopy of Quantum Spin Liquids
Physical Review Letters, v. 125, (26), December 2020, article number 267206
Konig, Elio J.; Randeria, Mallika T.; Jaeck, Berthold


Expand All Collapse All


Article 2

Observation of a Majorana zero mode in a topologically protected edge channel
Science, v. 346, (6447), June 2019, p. 1255-1259
Jaeck, Berthold; Xie, Yonglong; Li, Jian; Jeon, Sangjun; Bernevig, B. Andrei; Yazdani, Ali
Spectroscopic signatures of many-body correlations in magic-angle twisted bilayer graphene
Nature, v. 572, (7767), August 2019, p. 101-105
Xie, Yonglong; Lian, Biao; Jaeck, Berthold; Liu, Xiaomeng; Chiu, Cheng-Li; Watanabe, Kenji; Taniguchi, Takashi; Bernevig, B. Andrei; Yazdani, Ali


Expand All Collapse All


Article 1

Quantum Brownian Motion at Strong Dissipation Probed by Superconducting Tunnel Junctions
Physical Review Letters, v. 119, (14), October 2017, article number 147702
Jaeck, Berthold; Senkpiel, Jacob; Etzkorn, Markus; Ankerhold, Joachim; Ast, Christian R.; Kern, Klaus


Expand All Collapse All


Article 2

Critical Josephson current in the dynamical Coulomb blockade regime
Physical Review B, v. 93, (2), January 2016, article number 020504
Jaeck, Berthold; Eltschka, Matthias; Assig, Maximilian; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus
Sensing the quantum limit in scanning tunnelling spectroscopy
Nature Communications, v. 7, October 2016, article number 13009
Ast, Christian R.; Jaeck, Berthold; Senkpiel, Jacob; Eltschka, Matthias; Etzkorn, Markus; Ankerhold, Joachim; Kern, Klaus


Expand All Collapse All


Article 2

A nanoscale gigahertz source realized with Josephson scanning tunneling microscopy
Applied Physics Letters, v. 106, (1), January 2015, article number 013109
Jaeck, Berthold; Eltschka, Matthias; Assig, Maximilian; Hardock, Andreas; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus
Superconducting scanning tunneling microscopy tips in a magnetic field: Geometry-controlled order of the phase transition
Applied Physics Letters, v. 107, (12), September 2015, article number 122601
Eltschka, Matthias; Jaeck, Berthold; Assig, Maximilian; Kondrashov, Oleg V.; Skvortsov, Mikhail A.; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus


Expand All Collapse All


Article 1

Probing absolute spin polarization at the nanoscale
Nano Letters, v. 14, (12), December 2014, p. 7171-7174
Eltschka, Matthias; Jaeck, Berthold; Assig, Maximilian; Kondrashov, Oleg V.; Skvortsov, Mikhail A.; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus


Expand All Collapse All


Article 1

Excitation dynamics in low band gap donor-acceptor copolymers and blends
Advanced Energy Materials, v. 2, (12), December 2012, p. 1477-1482
Gieseking, Bj?rn; Jaeck, Berthold; Preis, Eduard; Jung, Stefan; Forster, Michael; Scherf, Ullrich; Deibel, Carsten; Dyakonov, Vladimir


Expand All Collapse All


2016 2

Critical Josephson current in the dynamical Coulomb blockade regime
Physical Review B, v. 93, (2), January 2016, article number 020504
Jaeck, Berthold; Eltschka, Matthias; Assig, Maximilian; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus Article
Sensing the quantum limit in scanning tunnelling spectroscopy
Nature Communications, v. 7, October 2016, article number 13009
Ast, Christian R.; Jaeck, Berthold; Senkpiel, Jacob; Eltschka, Matthias; Etzkorn, Markus; Ankerhold, Joachim; Kern, Klaus Article

2015 2

A nanoscale gigahertz source realized with Josephson scanning tunneling microscopy
Applied Physics Letters, v. 106, (1), January 2015, article number 013109
Jaeck, Berthold; Eltschka, Matthias; Assig, Maximilian; Hardock, Andreas; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus Article
Superconducting scanning tunneling microscopy tips in a magnetic field: Geometry-controlled order of the phase transition
Applied Physics Letters, v. 107, (12), September 2015, article number 122601
Eltschka, Matthias; Jaeck, Berthold; Assig, Maximilian; Kondrashov, Oleg V.; Skvortsov, Mikhail A.; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus Article

2014 1

Probing absolute spin polarization at the nanoscale
Nano Letters, v. 14, (12), December 2014, p. 7171-7174
Eltschka, Matthias; Jaeck, Berthold; Assig, Maximilian; Kondrashov, Oleg V.; Skvortsov, Mikhail A.; Etzkorn, Markus; Ast, Christian R.; Kern, Klaus Article

2012 1

Excitation dynamics in low band gap donor-acceptor copolymers and blends
Advanced Energy Materials, v. 2, (12), December 2012, p. 1477-1482
Gieseking, Bj?rn; Jaeck, Berthold; Preis, Eduard; Jung, Stefan; Forster, Michael; Scherf, Ullrich; Deibel, Carsten; Dyakonov, Vladimir Article


No Publications


No Publications






Teaching Assignment

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2021-22 Winter 0 2021-22 Fall 3 2020-21 Summer 1 2020-21 Spring 3 2020-21 Winter 0 2020-21 Fall 0

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PHYS1003 Energy and Related Environmental Issues
SCIE4500 IRE Research Project II
UROP1100E Undergraduate Research Opportunities Series 1


UROP1000 Undergraduate Research Opportunities


PHYS1003 Energy and Related Environmental Issues
SCIE1500 Guided Study on Research I
SCIE2500 Guided Study on Research II


No Teaching Assignments


No Teaching Assignments


No Teaching Assignments






Research Postgraduate (RPG) Supervision From January 2019 to December 2022 (As of 30 January 2022)

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Current RPGs

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Doctor of Philosophy SANKAR, Soumya
Physics( 2021 - )

ZHENG, Jiangchang
Physics( 2021 - )









ProjectsFrom January 2020 to December 2022

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All Projects 1

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No Projects.
Visualizing emergent quantum phases of matter in two-dimensional kagome metals


可视化二维笼纹金属中的新兴量子相 Leading


RGC - Early Career Scheme


Project Team (HKUST)
JÄCK Berthold (Lead)


2021 -