Deutsche Physikerinnentagung 2026

Session

Scientific Session II (Invited talk Silke Bühler-Paschen)

28 Sept 2026, 15:30

Room 280 (Building 46)

Conveners

Scientific Session II (Invited talk Silke Bühler-Paschen)

• Hannah Akhtar (RPTU)

131. How quantum are strongly correlated electron systems?

Silke Buehler-Paschen

28/09/2026, 15:30

Invited Talk

Silke Paschen
Institute of Solid State Physics, Technische Universität Wien

Strongly correlated electron systems host some of the most intriguing phenomena in condensed matter
physics, from unconventional superconductivity to quantum criticality and strange metallicity. But how
quantum are they, really? I will discuss how quantum information concepts, in particular the quantum
Fisher...

99. Self-organized topological superfluid and sensing in a higher-band atom-cavity system

Hannah Kleine-Pollmann (Universität Hamburg)

28/09/2026, 16:00

Quantum Optics

Contributed Talk

We propose to combine Bose-Einstein condensation in higher Bloch bands and a driven-dissipative cavity-BEC system into a hybrid light-matter platform. Specifically, the condensate is trapped in a bipartite $s$–$p_x$–$p_y$ lattice, with a tunable energy offset. This enables a controlled population transfer from the $s$-orbital to the nearly degenerate $p_x$ and $p_y$ orbitals. The system forms...

71. Quantics Representation of Time-Dependent Observables After a Quench

Alina Scheuermann (Max Planck Institute of Quantum Optics)

28/09/2026, 16:20

Quantum Information & Computing

Contributed Talk

Over the past 30 years, tensor network techniques have been established as powerful tools in computational condensed matter physics. In one-dimensional quantum systems, one usually represents the many-body wave function as a matrix product state (MPS), a tensor network consisting of three-legged tensors, with individual tensors corresponding to the lattice sites in the system. This ansatz...

66. Polarization entanglement distribution over an actively stabilized 28 km urban fiber link

Akriti Raj (University of Saarland)

28/09/2026, 16:40

Quantum Optics

Contributed Talk

Entangled photon pair sources are essential resources for quantum technological applications. AlGaAs Bragg reflection waveguides are promising platform for such sources due to their high nonlinear coefficient, room temperature operation, and non-birefringent nature [1]. By using a type-II SPDC process, the down-converted photons are orthogonally polarized, and the generated photon pairs are...

4. Unveiling Topological Surface States through Planar Hall Signatures in exfoliated ZrTe₅ flakes

Sophia Hollweger (Johannes Kepler Universität)

28/09/2026, 17:00

Topological Materials

Contributed Talk

We report on the electronic and topological properties of ZrTe₅ flakes synthesized via chemical vapor transport (CVT). Mechanically exfoliated ZrTe₅ flakes with nominal thicknesses ~100 nm are transferred onto pre-fabricated Pt contacts with 1-3-3-1 Hall bar geometries on SiO₂/Si sugbstrates. Using ac phase-locked low-/high-magnetotransport measurements, a distinct longitudinal resistance peak...