WMI: Search

Publication: Results on sub-GeV dark matter from a 10 eV threshold CRESST-III silicon detector

We present limits on the spin-independent interaction cross section of dark matter particles with silicon nuclei, derived from data taken with a cryogenic calorimeter with 0.35 g target mass operated

SC-LTP-I-Exercise3-WS2023-24.pdf

WALTHER–MEIßNER–INSTITUT Bayerische Akademie der Wissenschaften Lehrstuhl für Technische Physik E23, Technische Universität München Prof. Dr. Rudolf Gross Tel.: +49 (0)89 289 14249 E-mail:

Publication: Dynamical cluster-based optimization of tensor network algorithms for quantum circuit simulations

We optimize Matrix-Product State (MPS)-based algorithms for simulating quantum circuits with finite fidelity, specifically the Time-Evolving Block Decimation (TEBD) and the Density-Matrix

Publication: Constraints on self-interaction cross-sections of dark matter in universal bound states from direct detection

| G. Angloher, A. Erb, et al., CRESST Collaboration

Publication: Secular equilibrium assessment in a CaWO4 target crystal from the dark matter experiment CRESST using Bayesian likelihood normalisation

CRESST is a leading direct detection sub-GeV dark matter experiment. During its second phase, cryogenic bolometers were used to detect nuclear recoils off the CaWO4 target crystal nuclei. The

Publication: Experimental quantum teleportation of propagating microwaves

The field of quantum communication promises to provide efficient and unconditionally secure ways to exchange information, particularly, in the form of quantum states. Meanwhile, recent breakthroughs

Person: Florian Fesquet

Florian Fesquet was a member of the Gross group at WMI as a Master's and Ph.D. Student between 2019 and 2025. Master's Thesis: Experimental Implementation of a Quantum Key Distribution with Squeezed

Publication: Demonstration of microwave single-shot quantum key distribution

Security of modern classical data encryption often relies on computationally hard problems, which can be trivialized with the advent of quantum computers. A potential remedy for this is quantum

Gross Group - Interaction of electronic spin ensembles with propagating quantum microwaves (experiment)

Interaction of electronic spin ensembles with propagating quantum microwaves (experiment) The rare earth spin ensembles are well established by now in the optical domain where the microwave states

News: Open air QKD at µ-wave frequencies is in reach

WMI demonstrates that open air QKD with propagating microwaves can be unconditionally secure with communication at room temperature up to 200 m

News: New Helium Liquefier successfully installed at WMI

The 2.5 Mio. Euro investment secures the future LHe supply of WMI, TUM and LMU.

News: Quantum cryptography goes microwave

WMI researchers demonstrate microwave single-shot quantum key distribution, allowing for unconditional security in µw-based communication.

Publication: Remote State Preparation of Squeezed Microwave States

We realize a deterministic quantum communication protocol using continuous-variable quantum microwaves. We employ Josephson parametric amplifiers to generate single- and two-mode squeezed states and

Person: Dr. Michael Renger

Michael Renger was member of the Gross group at WMI as a master and Ph.D. student between 2017 and 2023. Master Thesis: Quantum Process Tomography of a 3D Quantum Memory (2018) Ph.D. Thesis: Quantum

Person: Dr. Stefan Pogorzalek

Stefan Pogorzalek was member of the Gross group at WMI as a Master and Ph.D. Student, as well as a postdoctoral researcher between 2015 and 2021. Master Thesis: Displacement of Squeezed Propagating

Publication: Flow of quantum correlations in noisy two-mode squeezed microwave states

We study nonclassical correlations in propagating two-mode squeezed microwave states in the presence of noise. We focus on two different types of correlations, namely, quantum entanglement and

Publication: Quantum Microwave Communication

The main objective of this thesis is quantum communication with propagating quantum microwaves. The central result is the successful experimental realization of analog quantum teleportation of

Publication: Seebeck and Nernst effects in the mixed state of the two-band organic superconductors kappa-(BEDT-TTF)(2)Cu(NCS)(2) and kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Br.

| Logvenov, GY; Kartsovnik, MV; Ito, H; Ishiguro, T

Publication: Spin-Hall-Magnetwiderstand und Spin-Seebeck-Effekt in Gd3Fe5O12|Pt-Heterostrukturen

| Dietlein, Maxim

Publication: Joule Heating Induced Spin-Seebeck Effect

| Dobler, Erich

Publication: Spatially and Temporally Resolved Spin Seebeck Experiments

| Kathrin Ganzhorn

Publication: Experimentelle Untersuchungen zum Spin-Seebeck-Effekt

| Benka, Georg Alexander

Publication: Time-Resolved Spin Seebeck Effect Experiments

| Kramer, Franz-Georg

Publication: Spin Seebeck Effect in Rare Earth Iron Garnets

| Della Coletta, Francesco

Publication: Spin Seebeck Effect Experiments

| Roschewsky, Niklas

Publication: Spin Seebeck Effect: A Powerful Probe for Magnon Properties in Compensated Ferrimagnets

| Maxim Dietlein

Publication: Spin Hall magnetoresistance and spin Seebeck effect in Pt|CoCr2O4 heterostructures

This study delves into spin current-induced phenomena, such as spin-Hall magnetoresistance and the spin Seebeck effect within Pt films deposited on a noncollinear magnet, CoCr 2O 4 (CCO),

Publication: Cantilever Array Sensors Detect Specific Carbohydrate-Protein Interactions with Picomolar Sensitivity

| Gruber, Kathrin; Horlacher, Tim; Castelli, Riccardo; Mader, Andreas; Seeberger, Peter H.; Hermann, Bianca A.

Publication: Sensing Carbohydrate-Protein Interactions at Picomolar Concentrations Using Cantilever Arrays

| Kathrin Gruber, Bianca Hermann, Peter H. Seeberger

Project: Magnetomechanical Platforms for Quantum Experiments and Quantum Enabled Sensing Technologies

This project seeks to establish a radically new technology platform for experiments in macroscopic quantum physics and for quantum enabled sensing. We exploit magnetic coupling between

Publication: Magnetoelastic resonance as a probe for exchange springs at antiferromagnet-ferromagnet interfaces

In prototype ferromagnet-antiferromagnet interfaces we demonstrate that surface acoustic waves can be used to identify complex magnetic phases arising upon evolution of exchange springs in an applied

Publication: Diffusion and segregation effects in doped manganite/titanate heterostructures

| J. Simon, Th. Walther, W. Mader, J. Klein, D. Reisinger, L. Alff, and R. Gross

Publication: Production and characterization of long-term stable superparamagnetic iron oxide-shell silica-core nanocomposites

| Angelika Nistler, Carolin Hartmann, Christine Rümenapp, Matthias Opel, Bernhard Gleich, Natalia P. Ivleva, Reinhard Niessner, Michael Seidel

Publication: Ultrafast electronic read-out of diamond NV centers coupled to graphene

| Andreas Brenneis, Louis Gaudreau, Max Seifert, Helmut Karl, Martin S. Brandt, Hans Huebl, Jose A. Garrido, Frank H.L. Koppens, Alexander W. Holleitner

Publication: Electron interactions and charge ordering in CuO2 compounds

| B. Muschler, W. Prestel, L. Tassini, R. Hackl, M. Lambacher, A. Erb, Seiki Komiya, Yoichi Ando, D.C. Peets, W.N. Hardy, R. Liang, and D.A. Bonn

Publication: Quantitative comparison of single- and two-particle properties in the cuprates

| W. Prestel, F. Venturini, B. Muschler, I. Tütto, R. Hackl, M. Lambacher, A. Erb, Seiki Komiya, Shimpei Ono, Yoichi Ando, D. Inosov, V.B. Zabolotnyy, and S.V. Borisenko

Publication: Eigenschaften des Elektronensystems und seiner Wechselwirkungen in antiferromagnetischen und supraleitenden Kupraten: Eine Raman-Studie

Mittels inelastischer Lichtstreuung werden einkristalline Bi2Sr2(Y1-xCax)Cu2O8+δ- und YBa2Cu3O6+x-Kupratsysteme in einem extrem weiten Dotierungsbereich studiert. Besonderes Augenmerk liegt auf der

Publication: Pioniere der Quantenforschung

Einzigartiges Umfeld, kreativer Nachwuchs, lange Erfahrung: Das Walther-Meißner-Institut der BAdW betreibt seit Jahrzehnten exzellente Grundlagenforschungauf dem Gebiet der Tieftemperaturphysik,

Publication: Quantenkorrelation verbessert Radartechnik

Die Radartechnologie wird seit Jahrzehnten immer weiter vorangetrieben und perfektioniert. Aktuelle Forschungen zielen nun darauf ab, sogar deren fundamentale Leistungsgrenzen zu verschieben.