Regular date/time: Friday, 11:00 in Seminarraum 1.09 

presentation formats: 

  • JC journal club
  • PR progress report 
  • TT tutorial 
  • PT practice talk 
  • IT (external) invited talks 
     

17.11.2022
TN: ``Wave Localization & Many-Body Localization in Quantum Information'' -- Report on School in Cargèse (France)
TK: Summary of IBM's Quantum State of the Union 2022
JC
 

21.10.2022
JA: 2006.00011
TN: 2210.09252
JC
 

30.09.2022
TN: 2111.04395
TK: ``Enhancing Applications of Variational Quantum Gate Sequences'' -- Report on QSIT Seminar in Zurich
JC
 

22.09.2022
TK: ``Skills for supervising students: the solution-focused approach'' --  Report on Softskill Workshop in Basel
JA: ``Physics meets AI'' -- Report on Arnold Sommerfeld School in Munich
 

01.09.2022
CB: 2208.01061
JC
 

25.08.2022
HK: 2110.02906
JC
 

19.08.2022
JA: 2203.06084
PT
 

05.07.2022
TK and TN
PR
 

17.06.2022
RT: 2206.02456
JC
 

03.06.2022
TN: 2205.05936
JC
 

20.05.2022
Heinz Krummenacher: "Flow equations"
PR
 

06.05.2022
Susanne Schaub: "Quantum trapping by Casimir forces"
report master thesis
 

28.04.2022
TK: 2203.07369
CB: 2204.00037
JC
 

11.04.2022
JA: 2204.01467
TN: 2202.12905
GT: 2203.11893
JC
 

08.04.2022 Thomas Fösel, MPI for the Science of Light
"Classical reinforcement learning applied to problems in quantum computing"
IT
 

25.03.2022
JA: 2203.06084
PR
 

18.03.2022
JA: "Replacing neural networks by optimal analytical predictors for the detection of phase transitions"
FS: "Computing derivatives for chaotic and hybrid systems"
PT
 

04.03.2022
JA: 2202.00348
JC/IT
 

25.02.2022
JA: 2202.08587
FS: https://openreview.net/forum?id=5i7lJLuhTm
JC/IT
 

17.02.2022
TN: 2112.12088
JC/IT
 

17.02.2022
JA: "Replacing neural networks by optimal analytical predictors for the detection of phase transitions"
PT
 

07.02.2022
Benjamin Senn: "Unsupervised Approaches for the Identification of Phase Transitions in the Swarmalator-Model"
report master thesis
 

13.01.2022
TN: 1612.03444
JC/IT
 

10.12.2021
JA: 2109.09721
FS: 2109.12449
JC/IT
 

3.12.2021
JA: 2110.09721
TN: 2111.02560
JC
 

29.10.2021 Tobias Kehrer
"AdS/CFT correspondence and applications in condensed-matter physics"


22.10.2021 Tobias Nadolny
"A new test of the Cosmological Principle"


24.9.2021
Tobias K: 2107.08816
JC
 

30.7.2021
Ryan: Phys. Rev. A 102, 012219 (2020)
JC
 

23.7.2021 11:15 Paolo Erdman, FU Berlin
"Reinforcement-learning of optimal cycles in quantum thermal machines"
IT
 

16.7.2021 Aaron Daniel
"Geometric phases in dissipative quantum systems"
report project thesis
 

28.5.2021 (9:00!) Martin Koppenhöfer
"Reservoir-engineered spin squeezing: macroscopic even-odd effects and hybrid-systems implementations"
 

23.4.2021 Frank Schäfer
"GitHub" - HOWTO
TT
 

26.2.2021
Frank Schäfer
Julian Arnold
PT
 

12.2.2021
JC
 

5.2.2021 Susanne Schaub
"Casimir effect and superconductivity"
report project thesis
 

29.1.2021 Kurt Meier
"Superradiant effects in a quantum Otto cycle operated with collective spin models as a working fluid"
report master thesis
 

13.11.2020 Pavel Sekatski
"Pedagogical introduction to QKD (quantum key distribution)"
TT
 

6.11.2020 Kurt Meier
"Superradiant quantum heat engines"
PR
 

9.10.2020 Ryan Tan
"Many-body open quantum systems with matrix product states II'
TT
 

2.10.2020 Ryan Tan
"Many-body open quantum systems with matrix product states'
TT


25.9.2020 Pavel Sekatski
"Quantum sensing: introduction and personal review"
TT
 

4.9.2020 Michal Kloc
"Quantum control"
PR
 

10.8.2020 Eric Schertenleib, ETHZ
"Pair-density wave states in non-centrosymmetric multilayer superconductors"
IT
 

7.8.2020 Benjamin Senn
"Probabilistic causation in quantum mechanics"
report project thesis
 

12.6.2020 Julian Arnold
"Unsupervised learning of phase transitions"
PR
 

5.6.2020 
Martin: PRL 124, 190503 (2020)
G: PRL 124, 210601 (2020)
Michal: 2004.08155
            Nature 405, 546 (2000)
JulianA: 1312.6034
F: 1806.08049
C: 2004.14256

 

29.5.2020 (14:00!) Martin Koppenhöfer
"Skills for supervising students: the solution-focused approach"
report on softskill workshop


15.5.2020
Martin: 1908.09836
Michal: 2005.05995
G: 2002.11591
JulianA: PRB 94, 195105 (2016)
F: 2005.01912
C. 2003.02843


8.5.2020 Gaomin Tang
"Casimir forces"
TT


24.4.2020
Michal: PRL 124, 140502 (2020)
            NJP 20, 123030 (2018)
Martin: PRB 92, 085126 (2015)
F: 2004.04711
G: PR Casimir
 

6.3.2020 
Frank Schäfer
Gaomin Tang
PT
 

28.2.2020 Michal Kloc
PT
 

21.2.2020 Martin Koppenhöfer
"Quantum synchronization on the IBM Q system"
PT
 

13.12.2019 Martin Koppenhöfer 
"Differentiation of quantum circuits"
TT


6.12.2019 Frank Schäfer
"Automatic differentiation"
TT


8.11.2019 Michal Kloc
"Quasiclassical approach to quantum quench dynamics"
PR


16.10.2019 (Wednesday 17:30)
C: Quantum Approximate Optimization Algorithm
1411.4028
Martin: Variational Quantum Eigensolver 
Nature Comm. 5, 4213 (2014)

 
27.9.2019 Aaron Daniel:
"Synchronization of a vdP oscillator to a two-frequency signal"
report summer project

 

20.9.2019
Lea Fricker:
"Geometric phases in limit-cycle systems"
report master thesis

 

10.7.2019 
F: B.S. Rem et al., "Identifying quantum phase transitions using
     artificial neural networks on experimental data", Nature Phys. 15, 917 (2019)
L: 1906.06404
G: 1907.00539
M: PRL 97, 210601 (2006)
     1904.11763
C: 1906.06343
N: ML
 

22.5.2019
A: report on Chimera States workshop Trieste
M: PRL 122, 140502 (2019)
L: 1905.01147
 

15.5.2019
N & F: report Machine Learning workshop Erlangen
U. Zülicke: "Introduction to network science"
 

9.5.2019 (Thursday 14:00!)
Lea Fricker
"Geometric phases in limit-cycle systems "
PR
 

10.4.2019
M: Nature Phys. 14, 282 (2018) 
     Quantum metamaterials [report DPG meeting]
F: 1801.07653  [report DPG meeting]
G: 1904.00990
L: 1903.05122
A: 1904.00170
N: 1904.01681
 

3.4.2019
G: J. Phys. A 42, 395101 (2009)
     J. Phys. A 43, 465301 (2010)
 

27.3.2019
M: practice talk DPG meeting
F: practice talk DPG meeting


20.3.2019 Gaomin Tang
"Heat transfer statistics in extreme-near-field radiation"


6.3.2019
N: 1901.09171
F: 1902.05131
A: 1901.05230
M: 1709.08519
C: 1902.07502

 

20.2.2019
N: "Non-degenerate optical parametric oscillator"
M: PRL 99, 040404 (2007)
A: PRL 114, 034103 (2015)
F: 1902.05131

 

30.1.2019 Martin Koppenhöfer 
"Deterministic creation of nonclassical states by photon detection" PR 

 

16.1.2019 Frank Schäfer
"Neural network quantum states" JC
Science 355, 602 (2017) 

 

10.1.2019
F: 1901.00848
M: PRL 121, 253601 (2018)
N: PRX 9, 011002 (2019)
C: Hicks/Foster, Adapting Scrum

 

19.12.2018
C: 1812.01561
F: J. Phys. Soc. Japan 86, 093001 (2017);
     J. Phys. Soc. Japan 87, 014001 (2018)
N: 1812.06693
A: 1812.01302

 

12.12.2018
M: 1811.11319
T: 1812.04000
F: 1810.12700
N: Science 362, 1140 (2018)

 

5.12.2018
C: 1812.00454
T: 1812.01110
A: 1811.12926
F: 1811.12630
N: PRX 8, 041029 (2018)
M: Nat. Comm. 8, 1670 (2017)
    1803.01778

 

28.11.2018
M: 1802.02161
T: 1811.10345
C: 1811.09591
A: 1811.10065
F: 1811.09410
N: 1810.03176

 

21.11.2018 no group seminar

 

14.11.2018 no group seminar

 

7.11.2018 Niels Lörch
"Machine learning" PR
M: 1811.01004
F: 1810.10525
A: 1811.00819
C: 1810.13121
 

31.10.2018 
N: PRB 97, 134109 (2018)
T: 1810.12508
F: 1810.03787
A: 1810.12094
M: 1810.11376
C: 1810.11277

 

24.10.2018
C: 1807.10830
T: PRL 121, 158101 (2018)
M: 1810.09808
F: 1810.08421
N: Science 362, 308 (2018)
A: 1810.08221
 

17.10.2018
C: 1810.05360
M: 1810.05825
F: 1810.05538
A: 1810.05147
T: 1810.04180


10.10.2018
T: 1810.03103
A: 1810.02319
F: 1810.02372
M: 1809.09381
C: 1810.03349
 

3.10.2018 Martin Koppenhöfer 
"Spin synchronization" PR 
A: 1810.00193
F: 1810.00834
M: 1810.00570
C: 1810.00038
     1810.00913

 

26.9.2018 Frank Schäfer 
"Machine learning" PR 
A: 1809.02114
N: 1807.10781
F: 1808.10047
M: 1809.03794
C: 1809.02640

 

19.9.2018 Niels Lörch 
"Ising machines III" PR
T: 1808.00408
F: 1809.04679
M: 1809.03693
C: 1809.06349 
N: 1803.02047
 

2.5.2018 Lin Rui, ETHZ 
"Superfluid - Mott insulator transition in a cavity - boson gas system" 
IT 

25.4.2018 Christoph Bruder 
"The Kuramoto model"
Rev. Mod. Phys. 77, 137 (2005) 
JC 

18.4.2018 Martin Koppenhöfer 
"Unconditional preparation of nonclassical states via linear-and-quadratic optomechanics"
arXiv:1804.00014 
JC 

11.4.2018 Niels Lörch 
"Ising machines II"
JC 

4.4.2018 Niels Lörch 
"Ising machines I"
JC 

20.12.2017 Niels Lörch 
"tba"
JC 

13.12.2017 Christoph Bruder 
"Indistinguishability of quantum states and rotation counting"
arXiv:1711.01495 
JC 

6.12.2017 Ehud Amitai 
"Oscillation collapse"
K. Ishibashi and R. Kanamoto, Phys. Rev. E 96, 052210 (2017) 
JC 

29.11.2017 Tibor Sekera 
"S-graphene-S junctions"
PR 

15.11.2017 Martin Koppenhöfer 
"Conditional cooling"
JC 

8.11.2017 Alexandre Roulet 
"Quantum devices made of atoms"
TT 

25.10.2017 Niels Lörch 
"Floquet trajectories"
PR 

18.10.2017 (14:00!)
Ehud Amitai 
"The quantum relaxation oscillator" 
PR 

12.10.2017 (Thursday, 16:00)
Tibor Sekera/Martin Koppenhöfer 
Executive summary of workshops attended 

7.6.2017 Axel Lode 
"The crystal phase of ultracold dipolar bosons in one-dimensional lattices: order parameter and detection" 
PR 

17.5.2017 Tibor Sekera 
"S-graphene-S junctions"
PR 

26.4.2017 Niels Lörch 
"The Kuramoto-Hopf model"
JC 

19.4.2017 Ehud Amitai
"The quantum isotonic oscillator"
Dongpei Zhu, J. of Phys. A 20, 4331 (1987)
F. Calogero, J. of Math. Phys. 10, 2191 (1969)
JC 

5.4.2017 Axel Lode 
"How to simulate the single-shot measurement of a quantum many-body system and some recent correspondence about it"
Nature Phys. 12, 451 (2016) 
plus the comment arXiv:1610.07633 and reply arXiv:1702.01211 and another comment arXiv:1702.00282 
JC 

29.3.2017 Niels Lörch 
"Machine learning phases of matter"
J. Carrasquilla and R.G. Melko, Nature Phys. Feb. 13 
E.P.L. van Nieuwenburg, Y.-H. Liu and S.D. Huber, Nature Phys. Feb. 13 
JC 

22.3.2017 Martin Koppenhöfer 
"Diffusion and localization in a dissipative quantum system"
A. Schmid, Phys. Rev. Lett. 51, 1506 (1983)
JC 

15.3.2017 Simon Nigg
"Dynamic programming and reinforcement learning"
TT 

1.3.2017 Ehud Amitai
"Josephson junction dynamics in the presence of 2\pi- and 4\pi-periodic supercurrents"
arXiv:1701.07389 by F. Dominguez et al. 
JC 

22.2.2017 Tibor Sekera 
"Edge channels"
D.B. Chklovskii, B.I. Shklovskii, and L.I. Glazman, Phys. Rev. B 46, 4026 (1992)
JC 

14.12.2016 Rakesh Tiwari 
"Ballistic Graphene Josephson Junctions from the Short to the Long Junction Regimes"
I.V. Borzenets et al., Phys. Rev. Lett. 117, 237002 (2016)
JC 

7.12.2016 Axel Lode 
"Many-body tunneling of fermions" 
PT 

30.11.2016 Martin Koppenhöfer 
"Strong and tunable couplings in flux-mediated optomechanics"
arXiv.org:1611.03842 by O. Shevchuk, G.A. Steele, and Ya. M. Blanter 
JC 

23.11.2016 Ehud Amitai
"Quantum synchronization" 
PR 

9.11.2016 Christoph Bruder
"Snake states in graphene" 
PT 

2.11.2016 Tibor Sekera
"Graphene p-n junction in a magnetic field as a valley switch" 
PR 

26.10.2016 group discussion 

19.10.2016 Niels Lörch 
arXiv:1609.07117 by A. Blais et al. 
JC 

12.10.2016 Axel Lode
"An implementation of *C*hopped *RA*ndom *B*asis optimal control theory" 
PR 

7.10.2016 Rakesh Tiwari
"Robust quantum optimizer with full connectivity" part II 
arXiv:1609.06282 by S. Nigg et al. 
JC 

3.10.2016 Rakesh Tiwari
"Robust quantum optimizer with full connectivity" part I
arXiv:1609.06282 by S. Nigg et al. 
JC 

26.9.2016 brainstorming about group meeting