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
19.04.2024
NL: ``Phase transitions in LLMs''
PS: 2103.00104 & 2309.16523
JC
05.04.2024
TK: Report on ``DPG Meeting 2024'' (Berlin, Germany)
JA: 2403.17252
JC
25.03.2024
Clara Wanjura: Fully non-linear neuromorphic computing with linear wave scattering
IT
22.03.2024
PZ: 2105.09694 & 2401.04333
JC
15.03.2024
TK: Improving transmon qudit measurement on IBM quantum hardware (2307.13504)
PT
08.03.2024
TK: PR
05.03.2024
Markus Hoffmann: ``Training hybrid quantum classical neural networks for recognition of topological quantum phases for the 9-qubit surface code in an external field''
IT
23.02.2024
TN: Report on QUMINOS (Les Diablerets, Switzerland) & PRA 90, 053845 (2014)
JC
30.01.2024
TK & PZ: Report on ``Quantum Computing and Simulation in the NISQ Era'' (Bad Honnef, Germany)
JA: Report on QIP 2024 (Taipei, Taiwan)
JC
26.01.2024
TN: PR
08.12.2023
TK: Update on ``IBM Summit 2023''
PZ: Report on QTML 2023 (@CERN)
JC
01.12.2023
JA: 2311.10710
PR
17.11.2023
TN: 2307.15613
PT
27.10.2023
TK: Update on ``IONQ Summit 2023''
JC
20.10.2023
JA: 2309.05159
JC
13.10.2023
TN: 2310.05854
PS: 2308.12080
JC
06.10.2023
JA: 2310.02207
PZ: 2308.08296
JC
29.09.2023
CB: 2308.01603
TN: 2306.15292
JA: 2309.00021
JC
22.09.2023
PZ: 2307.03711
JC
15.09.2023
PS: Report on ``Time Crystals Conference 2023 (Kraków)''
JC
01.09.2023
JA: 2306.14894
PT
25.08.2023
TN: Phys. Rev. Lett. 113, 154101 (2014)
JC
18.08.2023
CB: 2308.03617
JA: 2308.05660
Flemming Holtorf: ``Moment closure approximations and bounding schemes for the analysis of stochastic processes''
JC
04.08.2023
JA: Report on JuliaCon2023
JC
23.06.2023
NL
PR
16.06.2023
NL
PR
02.06.2023
TN: 2306.00841
JC
26.05.2023
TK
PR
12.05.2023
TN
PR
05.05.2023
CB: Science 380,274-278 (2023)
TK: 2304.10760
JA: 2304.12965
NL: Mojo release
TN: 2303.07725
JC
25.04.2023
Heinz Krummenacher: "Diagonalisation by Flow Equations"
report master thesis
14.04.2023
Jan Neuser: "Numerical Quantum Gate Design for Superconducting Qubits"
report project thesis
30.03.2023
JA: 2301.02683
CB: 2302.13465
JC
03.03.2023
JA: "Revealing phase diagrams of quantum systems using optimal predictors" (APS March Meeting 2023)
PT
16.02.2023
TK and TN
PR
20.01.2023
JA: J. Choi et al., "Preparing random states and benchmarking with many-body quantum chaos", Nature 613, 68–473 (2023)
JC
16.12.2022
JA: 2209.11954
JC
09.12.2022
FS: 2210.08572
IT
02.12.2022
TN: 2109.05390
JA: 2211.02589
JC
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