Within the seminar, students give talks on current topics in condensed matter physics. The seminar aims to give a closer look at new developments in condensed matter physics and to show how these developments can be transferred into applications. The seminar focuses on spin electronics, spin dynamics, solid-state quantum information processing, the physics of solid-state nanostructures, and high temperature superconductivity. These topics are in the focus of several research projects of WMI and collaborative research programs in the Munich area (e.g. the Excellence Cluster "Munich Center for Quantum Science and Technology (MCQST)", the Munich Quantum Valley e.V., as well as several BMBF and EU projects).

The seminar is relevant for the special courses on "Superconductivity and Low Temperature Physics" as well as on "Magnetism and Spintronics". It is suitable for bachelor students in the 5th semester or higher and for master students.

Schedule

List of open topics for seminar talks in SS 2023:

1. A quantum electromechanical interface for long-lived phonons (A.. Bozkurt et al., Nature Physics 19 1326-1332 (2023))

2. Microwave Fluorescence Detection of Spin Echoes (E. Billaud et al., Phys. Rev. Lett. 131, 100804 (2023))

3. Proximity superconductivity in atom-by-atom crafted quantum dots (L. Schneider et al., Nature 621, 60-65 (2023))

4. Indistinguishable telecom band photons from a single Er ion in the solid state (S. Ourari et al., Nature 620, 977-981 (2023))

5. Single-electron spin resonance detection by microwave photon counting (Z. Wang et al., Nature 619, 276–281 (2023))

6. Room-temperature magnetoresistance in an all-antiferromagnetic tunnel junction (Peixin Qin et al., Nature 613, 485 (2023))

7. Observation of the orbital Hall effect in a light metal Ti (Young-Gwan Choi et al., Nature 619 52–56 (2023))

8. Millisecond Coherence in a Superconducting Qubit (Aaron Somoroff et al., Phys. Rev. Lett. 130, 267001 (2023))

9. Loophole-free Bell inequality violation with superconducting circuits (S. Storz et al., Nature 617, 265-270 (2023))

10. Beating the break-even point with a discrete-variable-encoded logical qubit (Zhongchu Ni et al., Nature 616, 56-60 (2023))

11. Macroscopic Quantum Test with Bulk Acoustic Wave Resonators (Björn Schrinski et al., Phys. Rev. Lett. 130, 133604 (2023))

12. On-demand directional microwave photon emission using waveguide quantum electrodynamics (Bharath Kannan et al., Nature Physics 19, 394 (2023))

13. Nonlinear multi-frequency phonon lasers with active levitated optomechanics (Tengfang Kuang et al., Nature Physics 19, 414 (2023))

14. Giant spin polarization and a pair of antiparallel spins in a chiral superconductor (R. Nakajima et al., Nature 613, 479 (2023))

15. Distributed quantum sensing with mode-entangled spin-squeezed atomic states (B.K. Malia et al., Nature 612, 661 (2022))

16. Topological lattices realized in superconducting circuit optomechanics (A. Youssefi et al., Nature 612, 666 (2022))

17. Electrons with Planckian scattering obey standard orbital motion in a magnetic field (A. Ataei et al., Nature Physics 18, 1420 (2022))

18. Observation of vortices and vortex stripes in a dipolar condensate (L. Klaus et al., Nature Physics 18, 1453 (2022))

19. Asynchronous current-induced switching of rare-earth and transition-metal sublattices in ferrimagnetic alloys (G. Sala et al., Nature Materials 21, 640 (2022))

20. Random-Access Quantum Memory Using Chirped Pulse Phase Encoding, J. O'Sullivan et al., Phys. Rev. X 12, 041014 (2022))

21. Piezomagnetic switching of the anomalous Hall effect in an antiferromagnet at room temperature (M. Ikhlas et al., Nature Physics 18, 1086 (2022))

22. Emerging Research Landscape of Altermagnetism (Libor Šmejkal et al., Physical Review X 12, 040501 (2022))

23. Chiral cavity quantum electrodynamics (John Clai Ownes et al., Nature Physics 18, 1048 (2022))

24. Non-classical mechanical states guided in a phononic waveguide (Amirparsa Zivari et al., Nature Physics 18, 789 (2022))

25. Steady-State Heat Transport and Work With a Single Artificial Atom Coupled to a Waveguide: Emission Without External Driving (Yong Lu et al., PRX Quantum 3, 020305 (2022))

26. Magnifying Quantum Phase Fluctuations with Cooper-Pair Pairing (W.C. Smith et al., Phys. Rev. X 12, 021002 (2022))

27. Steady Floquet–Andreev states in graphene Josephson junctions (Sein Park et al., Nature 603, 421-426 (2022))

28. Scaling of the strange-metal scattering in unconventional superconductors (Jie Yuan et al., Nature 602, 431 (2022))

29. Fermi surface transformation at the pseudogap critical point of a cuprate superconductor (Yawen Fang et al., Nature Physics (2022)

Within the seminar, students give talks on current topics in condensed matter physics. The seminar aims to give a closer look at new developments in condensed matter physics and to show how these developments can be transferred into applications. The seminar focuses on spin electronics, spin dynamics, solid-state quantum information processing, the physics of solid-state nanostructures, and high temperature superconductivity. These topics are in the focus of several research projects of WMI and collaborative research programs in the Munich area (e.g. the Excellence Cluster "Munich Center for Quantum Science and Technology (MCQST)", the Munich Quantum Valley e.V., as well as several BMBF and EU projects).

The seminar is relevant for the special courses on Quantum Science and Technology, Superconductivity and Low Temperature Physics as well as on Magnetism and Spintronics. It is suitable for bachelor students in the 5th semester or higher and for master students.

Schedule

List of open topics for seminar talks in WS 2023/2024:

1. All-electrical skyrmionic magnetic tunnel junction (Shaohai Chen et al., Nature 627, 522-527 (2024))

2. Room-temperature quantum optomechanics using an ultralow noise cavity (G. Huang et al., Nature 626 512-517 (2024))

3. Quantum spin nematic phase in a square-lattice iridate (Hoon Kim et al., Nature 625 264-269 (2024))

4. Evidence for chiral supercurrent in quantum Hall Josephson junctions (H. Vignaud et al., Nature 624 545-550 (2023))

5. Spinon Heat Transport in the Three-Dimensional Quantum Magnet PbCuTe2O6 (Xiaochen Hong et al., Phys. Rev. Lett. 131, 256701 (2023))

6. Exploring large-scale entanglement in quantum simulation (M.K. Joshi et al., Nature 624 539-544 (2023))

7. A quantum electromechanical interface for long-lived phonons (A. Bozkurt et al., Nature Physics 19 1326-1332 (2023))

8. Quantum advantage in microwave quantum radar (R. Assouly et al., Nature Physics 19, 1418-1422 (2023))

9. Microwave Fluorescence Detection of Spin Echoes (E. Billaud et al., Phys. Rev. Lett. 131, 100804 (2023))

10. Chiral phonons in quartz probed by X-rays (H. Ueda et al., Nature 618, 946-950 (2023))

11. Fluctuation-enhanced phonon magnetic moments in a polar antiferromagnet (F. Wu et al., Nature Physics (2023))

12. Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten (T.S. Seifert et al., Nature Nanotechnology (2023))

13. Observation of Spin-Wave Moiré Edge and Cavity Modes in Twisted Magnetic Lattices (Hanchen Wang et al., Phys. Rev. X 13, 021016 (2023))

14. Proximity superconductivity in atom-by-atom crafted quantum dots (L. Schneider et al., Nature 621, 60-65 (2023))

15. Indistinguishable telecom band photons from a single Er ion in the solid state (S. Ourari et al., Nature 620, 977-981 (2023))

16. no longer available: Single-electron spin resonance detection by microwave photon counting (Z. Wang et al., Nature 619, 276–281 (2023))

17. Room-temperature magnetoresistance in an all-antiferromagnetic tunnel junction (Peixin Qin et al., Nature 613, 485 (2023))

18. Quantum oscillations of the quasiparticle lifetime in a metal (N. Huber et al., Nature 621, 276 (2023))

19. Observation of the orbital Hall effect in a light metal Ti (Young-Gwan Choi et al., Nature 619, 52–56 (2023))

20. Millisecond Coherence in a Superconducting Qubit (Aaron Somoroff et al., Phys. Rev. Lett. 130, 267001 (2023))

21. no longer available: Loophole-free Bell inequality violation with superconducting circuits (S. Storz et al., Nature 617, 265-270 (2023))

22. Beating the break-even point with a discrete-variable-encoded logical qubit (Zhongchu Ni et al., Nature 616, 56-60 (2023))

23. Macroscopic Quantum Test with Bulk Acoustic Wave Resonators (Björn Schrinski et al., Phys. Rev. Lett. 130, 133604 (2023))

24. On-demand directional microwave photon emission using waveguide quantum electrodynamics (Bharath Kannan et al., Nature Physics 19, 394 (2023))

25. Nonlinear multi-frequency phonon lasers with active levitated optomechanics (Tengfang Kuang et al., Nature Physics 19, 414 (2023))

26. Giant spin polarization and a pair of antiparallel spins in a chiral superconductor (R. Nakajima et al., Nature 613, 479 (2023))

Within the seminar, students give talks on current topics in condensed matter physics. The seminar aims to give a closer look at new developments in condensed matter physics and to show how these developments can be transferred into applications. The seminar focuses on spin electronics, spin dynamics, solid-state quantum information processing, the physics of solid-state nanostructures, and high temperature superconductivity. These topics are in the focus of several research projects of WMI and collaborative research programs in the Munich area (e.g. the Excellence Cluster "Munich Center for Quantum Science and Technology (MCQST)", the Munich Quantum Valley e.V., as well as several BMBF and EU projects).

The seminar is relevant for the special courses on Quantum Science and Technology, Superconductivity and Low Temperature Physics as well as on Magnetism and Spintronics. It is suitable for bachelor students in the 5th semester or higher and for master students.

Schedule

List of open topics for seminar talks in SS 2024:

1. Efficient Microwave Photon-to-Electron Conversion in a High-Impedance Quantum Circuit (O. Stanisavljević et al., Physical Review Letters 133, 076302 (2024))

2. Phonon chirality from impurity scattering in the antiferromagnetic phase of Sr₂IrO₄ (Amirreza Ataei et al., Nature Physics 20, 585 (2024))

3. Direct observation of altermagnetic band splitting in CrSb thin films (Sonka Reimers et al., Nature Commun. 15, 2116 (2024))

4. Electrical control of magnetism by electric field and current-induced torques (Albert Fert et al., Reviews of Modern Physics 96, 0150015 (2024))

5. All-electrical skyrmionic magnetic tunnel junction (Shaohai Chen et al., Nature 627, 522-527 (2024))

6. Quantum spin nematic phase in a square-lattice iridate (Hoon Kim et al., Nature 625 264-269 (2024))

7. Finite-momentum Cooper pairing in proximitized altermagnets (Song-Bo Zhang et al., Nature Commun. 15, 1801 (2024))

8. Observation and control of hybrid spin-wave–Meissner-current transport modes (M. Borst et al., Science 382 430-434 (2023))

9. Spinon Heat Transport in the Three-Dimensional Quantum Magnet PbCuTe2O6 (Xiaochen Hong et al., Phys. Rev. Lett. 131, 256701 (2023))

10. Quantum oscillations of the quasiparticle lifetime in a metal (N. Huber et al., Nature 621, 276-281 (2023))

11. A quantum electromechanical interface for long-lived phonons (A. Bozkurt et al., Nature Physics 19 1326-1332 (2023))

12. Quantum advantage in microwave quantum radar (R. Assouly et al., Nature Physics 19, 1418-1422 (2023))

13. Microwave Fluorescence Detection of Spin Echoes (E. Billaud et al., Phys. Rev. Lett. 131, 100804 (2023))

14. Fluctuation-enhanced phonon magnetic moments in a polar antiferromagnet (F. Wu et al., Nature Physics (2023))

15. Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten (T.S. Seifert et al., Nature Nanotechnology (2023))

16. Observation of Spin-Wave Moiré Edge and Cavity Modes in Twisted Magnetic Lattices (Hanchen Wang et al., Phys. Rev. X 13, 021016 (2023))

17. Proximity superconductivity in atom-by-atom crafted quantum dots (L. Schneider et al., Nature 621, 60-65 (2023))

18. Indistinguishable telecom band photons from a single Er ion in the solid state (S. Ourari et al., Nature 620, 977-981 (2023))

19. Millisecond Coherence in a Superconducting Qubit (Aaron Somoroff et al., Phys. Rev. Lett. 130, 267001 (2023))

20. Beating the break-even point with a discrete-variable-encoded logical qubit (Zhongchu Ni et al., Nature 616, 56-60 (2023))

21. Macroscopic Quantum Test with Bulk Acoustic Wave Resonators (Björn Schrinski et al., Phys. Rev. Lett. 130, 133604 (2023))

22. On-demand directional microwave photon emission using waveguide quantum electrodynamics (Bharath Kannan et al., Nature Physics 19, 394 (2023))

23. Nonlinear multi-frequency phonon lasers with active levitated optomechanics (Tengfang Kuang et al., Nature Physics 19, 414 (2023))

24. Cavity-mediated long-range interactions in levitated optomechanics (J. Vijayan et al., Nature Physics 20, 829 (2024))

25. Quantum control of a cat qubit with bit-flip times exceeding ten seconds (U. Reglade et al., Nature 629, 778 (2024))

26. One-dimensional proximity superconductivity in the quantum Hall regime (J. Barrier et al., Nature 628, 741 (2024))

27. Persistent magnetic coherence in magnets (T. Makiuchi et al., Nature Materials 23, 627-632 (2024))

28. Tunable Inductive Coupler for High-Fidelity Gates Between Fluxonium Qubits (H. Zhang et al., PRX Quantum 5, 020326 (2024))

Within the seminar, students give talks on current topics in condensed matter physics. The seminar aims to give a closer look at new developments in condensed matter physics and to show how these developments can be transferred into applications. The seminar focuses on spin electronics, spin dynamics, solid-state quantum information processing, the physics of solid-state nanostructures, and high temperature superconductivity. These topics are in the focus of several research projects of WMI and collaborative research programs in the Munich area (e.g. the Excellence Cluster "Munich Center for Quantum Science and Technology (MCQST)", the Munich Quantum Valley e.V., as well as several BMBF and EU projects).

The seminar is relevant for the special courses on Quantum Science and Technology, Superconductivity and Low Temperature Physics as well as on Magnetism and Spintronics. It is suitable for bachelor students in the 5th semester or higher and for master students.

Schedule

List of open topics for seminar talks in WS 2024/2025:

1. Superconductivity in twisted bilayer WSe₂ (Yiyu Xia et al., Nature 637, 833-838 (2025))
   Superconductivity in 5.0° twisted bilayer WSe₂ (Yinyie Guo et al., Nature 637, 839-845 (2025))

2. Magnon-mediated qubit coupling determined via dissipation measurements (Masaya Fukami et al., PNAS 121, e2313754120 (2024))

3. Spatially reconfigurable antiferromagnetic states in topologically rich free-standing nanomembranes (H. Jani et al., Nature Materials 23, 619 (2024))

4. Operating semiconductor quantum processors with hopping spins (C.-A. Wang, Science 385, 447 (2024))

5. Advanced CMOS manufacturing of superconducting qubits on 300 mm wafers (J. Van Damme et al., Nature 2024)

6. Nonreciprocal magnetoacoustic waves without-of- plane phononic angular momenta (L. Liao et al., Science Advances 10, eado20504 (2024))

7. Efficient Microwave Photon-to-Electron Conversion in a High-Impedance Quantum Circuit (O. Stanisavljević et al., Physical Review Letters 133, 076302 (2024))

8. Quantum spin nematic phase in a square-lattice iridate (Hoon Kim et al., Nature 625 264-269 (2024))

9. Finite-momentum Cooper pairing in proximitized altermagnets (Song-Bo Zhang et al., Nature Commun. 15, 1801 (2024))

10. Schrödinger cat states of a 16-microgram mechanical oscillator (M. Bild et al., Science 380, 247 (2023))

11. Quantum oscillations of the quasiparticle lifetime in a metal (N. Huber et al., Nature 621, 276-281 (2023))

12. Quantum advantage in microwave quantum radar (R. Assouly et al., Nature Physics 19, 1418-1422 (2023))

13. Microwave Fluorescence Detection of Spin Echoes (E. Billaud et al., Phys. Rev. Lett. 131, 100804 (2023))

14. Fluctuation-enhanced phonon magnetic moments in a polar antiferromagnet (F. Wu et al., Nature Physics (2023))

15. Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten (T.S. Seifert et al., Nature Nanotechnology (2023))

16. Millisecond Coherence in a Superconducting Qubit (Aaron Somoroff et al., Phys. Rev. Lett. 130, 267001 (2023))

17. Beating the break-even point with a discrete-variable-encoded logical qubit (Zhongchu Ni et al., Nature 616, 56-60 (2023))

18. Macroscopic Quantum Test with Bulk Acoustic Wave Resonators (Björn Schrinski et al., Phys. Rev. Lett. 130, 133604 (2023))

19. On-demand directional microwave photon emission using waveguide quantum electrodynamics (Bharath Kannan et al., Nature Physics 19, 394 (2023))

20. Nonlinear multi-frequency phonon lasers with active levitated optomechanics (Tengfang Kuang et al., Nature Physics 19, 414 (2023))

21. Cavity-mediated long-range interactions in levitated optomechanics (J. Vijayan et al., Nature Physics 20, 829 (2024))

22. Quantum control of a cat qubit with bit-flip times exceeding ten seconds (U. Reglade et al., Nature 629, 778 (2024))

23. One-dimensional proximity superconductivity in the quantum Hall regime (J. Barrier et al., Nature 628, 741 (2024))

24. Persistent magnetic coherence in magnets (T. Makiuchi et al., Nature Materials 23, 627-632 (2024))

25. Tunable Inductive Coupler for High-Fidelity Gates Between Fluxonium Qubits (H. Zhang et al., PRX Quantum 5, 020326 (2024))

For additional information, please visit the course on TUM Moodle.

Within the seminar, students give talks on current topics in condensed matter physics. The seminar aims to give a closer look at new developments in condensed matter physics and to show how these developments can be transferred into applications. The seminar focuses on spin electronics, spin dynamics, solid-state quantum information processing, the physics of solid-state nanostructures, and high temperature superconductivity. These topics are in the focus of several research projects of WMI and collaborative research programs in the Munich area (e.g. the Excellence Cluster "Munich Center for Quantum Science and Technology (MCQST)", the Munich Quantum Valley e.V., as well as several BMBF and EU projects).

The seminar is relevant for the special courses on Quantum Science and Technology, Superconductivity and Low Temperature Physics as well as on Magnetism and Spintronics. It is suitable for bachelor students in the 5th semester or higher and for master students.

List of open topics for seminar talks in summer 2025:

1. Photonic axion insulator (Gui-Geng Liu et al, Science 387, 162 (2025))

2. Superconductivity in twisted bilayer WSe₂ (Yiyu Xia et al., Nature 637, 833-838 (2025))
   Superconductivity in 5.0° twisted bilayer WSe₂ (Yinyie Guo et al., Nature 637, 839-845 (2025))

3. Magnon-mediated qubit coupling determined via dissipation measurements (Masaya Fukami et al., PNAS 121, e2313754120 (2024))

4. Spatially reconfigurable antiferromagnetic states in topologically rich free-standing nanomembranes (H. Jani et al., Nature Materials 23, 619 (2024))

5. Operating semiconductor quantum processors with hopping spins (C.-A. Wang, Science 385, 447 (2024))

6. Advanced CMOS manufacturing of superconducting qubits on 300 mm wafers (J. Van Damme et al., Nature 2024)

7. Nonreciprocal magnetoacoustic waves without-of- plane phononic angular momenta (L. Liao et al., Science Advances 10, eado20504 (2024))

8. Efficient Microwave Photon-to-Electron Conversion in a High-Impedance Quantum Circuit (O. Stanisavljević et al., Physical Review Letters 133, 076302 (2024))

9. Quantum spin nematic phase in a square-lattice iridate (Hoon Kim et al., Nature 625 264-269 (2024))

10. Finite-momentum Cooper pairing in proximitized altermagnets (Song-Bo Zhang et al., Nature Commun. 15, 1801 (2024))

11. Schrödinger cat states of a 16-microgram mechanical oscillator (M. Bild et al., Science 380, 247 (2023))

12. Quantum oscillations of the quasiparticle lifetime in a metal (N. Huber et al., Nature 621, 276-281 (2023))

13. Quantum advantage in microwave quantum radar (R. Assouly et al., Nature Physics 19, 1418-1422 (2023))

14. Microwave Fluorescence Detection of Spin Echoes (E. Billaud et al., Phys. Rev. Lett. 131, 100804 (2023))

15. Fluctuation-enhanced phonon magnetic moments in a polar antiferromagnet (F. Wu et al., Nature Physics (2023))

16. Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten (T.S. Seifert et al., Nature Nanotechnology (2023))

17. Millisecond Coherence in a Superconducting Qubit (Aaron Somoroff et al., Phys. Rev. Lett. 130, 267001 (2023))

18. Beating the break-even point with a discrete-variable-encoded logical qubit (Zhongchu Ni et al., Nature 616, 56-60 (2023))

19. Macroscopic Quantum Test with Bulk Acoustic Wave Resonators (Björn Schrinski et al., Phys. Rev. Lett. 130, 133604 (2023))

20. On-demand directional microwave photon emission using waveguide quantum electrodynamics (Bharath Kannan et al., Nature Physics 19, 394 (2023))

21. Nonlinear multi-frequency phonon lasers with active levitated optomechanics (Tengfang Kuang et al., Nature Physics 19, 414 (2023))

22. Cavity-mediated long-range interactions in levitated optomechanics (J. Vijayan et al., Nature Physics 20, 829 (2024))

23. Quantum control of a cat qubit with bit-flip times exceeding ten seconds (U. Reglade et al., Nature 629, 778 (2024))

24. One-dimensional proximity superconductivity in the quantum Hall regime (J. Barrier et al., Nature 628, 741 (2024))

25. Persistent magnetic coherence in magnets (T. Makiuchi et al., Nature Materials 23, 627-632 (2024))

26. Tunable Inductive Coupler for High-Fidelity Gates Between Fluxonium Qubits (H. Zhang et al., PRX Quantum 5, 020326 (2024))