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Martin Gärttner
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2
Parafermionic Truncated Wigner Approximation
We introduce the parafermionic truncated Wigner approximation ( TWA), a semiclassical phase-space framework for simulating the …
Javad Vahedi
,
Martin Gärttner
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DOI
Quantum simulation of wave optics in weakly inhomogeneous media using block-encoding
We propose a quantum algorithm that simulates the propagation of a light field through a weakly inhomogeneous medium. The wave equation …
Siavash Davani
,
Martin Gärttner
,
Falk Eilenberger
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DOI
Learning to detect optical nonclassicality
Nonclassicality, defined in the quantum optical sense, serves as a resource for photon-based quantum technologies. Therefore, …
Martina Jung
,
Suchitra Krishnaswamy
,
Timon Schapeler
,
Annabelle Bohrdt
,
Tim J. Bartley
,
Jan Sperling
,
Martin Gärttner
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DOI
Observable nonclassicality witnesses for multiplexed detection systems
We address the problem of constructing witnesses for nonclassical light that are applicable in state-of-the-art photon-counting …
Suchitra Krishnaswamy
,
Martina Jung
,
Laura Ares
,
Martin Gärttner
,
Jan Sperling
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DOI
Revealing entanglement through local features of phase-space distributions
We formulate an infinite hierarchy of continuous-variable separability criteria in terms of quasiprobability distributions and their …
Elena Callus
,
Martin Gärttner
,
Tobias Haas
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DOI
Limitations for adaptive quantum state tomography in the presence of detector noise
Assumption-free reconstruction of quantum states from measurements is essential for benchmarking and certifying quantum devices, but it …
Adrian Aasen
,
Martin Gärttner
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Project
DOI
Quantum information scrambling in strongly disordered Rydberg spin systems
Despite the fact that power-law interactions occur in a plethora of physical systems, their many-body dynamics is far less understood …
Maximilian Müllenbach
,
Sebastian Geier
,
Adrian Braemer
,
Eduard Braun
,
Titus Franz
,
Gerhard Zürn
,
Matthias Weidemüller
,
Martin Gärttner
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DOI
Benchmarking the quality of multiplexed qubit readout beyond assignment fidelity
The accurate measurement of quantum two-level objects (qubits) is crucial for developing quantum computers. Over the last decade, the …
Andras Di Giovanni
,
Adrian Aasen
,
Jürgen Lisenfeld
,
Martin Gärttner
,
Hannes Rotzinger
,
Alexey V. Ustinov
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Project
DOI
Interferometric detection of continuous-variable entanglement using two states
The efficient witnessing and certification of entanglement is necessitated by its ubiquitous use in various aspects of quantum …
Elena Callus
,
Martin Gärttner
,
Tobias Haas
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DOI
Mitigation of correlated readout errors without randomized measurements
Quantum simulation, the study of strongly correlated quantum matter using synthetic quantum systems, has been the most successful …
Adrian Aasen
,
Andras Di Giovanni
,
Hannes Rotzinger
,
Alexey V. Ustinov
,
Martin Gärttner
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Project
DOI
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