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Autor:
Carlo Lejeune
Publikováno v:
BMGN: Low Countries Historical Review, Vol 135, Iss 2 (2020)
Externí odkaz:
https://doaj.org/article/35394db97464400ea860b5166e3f157b
Publikováno v:
Physical Review A 107 (2023) 062806
Quantum mechanics is sensitive to the geometry of the underlying space. Here, we present a framework for quantum scattering of a non-relativistic particle confined to a two-dimensional space. When the motion manifold hosts localized curvature modulat
Externí odkaz:
http://arxiv.org/abs/2402.10564
Elastic scattering of a wave can be quantified by a shift in the phase with respect to the incoming wave phase. A qualitative measure of the time during which the effect occurs is given by the Wigner time delay. The tunneling time in turn is known to
Externí odkaz:
http://arxiv.org/abs/2402.04734
Autor:
Legrand, Tangi, Winkelmann, Falk-Richard, Alt, Wolfgang, Meschede, Dieter, Alberti, Andrea, Weidner, Carrie A.
Publikováno v:
Phys. Rev. A 109, 033304 (2024)
We demonstrate a method for determining the three-dimensional location of single atoms in a quantum gas microscopy system using a phase-only spatial light modulator to modify the point-spread function of the high-resolution imaging system. Here, the
Externí odkaz:
http://arxiv.org/abs/2312.05341
Autor:
Krzempek, Karol, Jaworski, Piotr, Tenbrake, Lukas, Giefer, Florian, Meschede, Dieter, Hofferberth, Sebastian, Pfeifer, Hannes
We demonstrate a robust and miniaturized fiber Fabry-Perot cavity-based sensor for photothermal spectroscopic signal retrieval. The proof-of-concept experiment involved the use of a near-infrared pump laser to detect methane molecules on an isolated
Externí odkaz:
http://arxiv.org/abs/2311.12536
Autor:
Robens, Carsten, Arrazola, Iñigo, Alt, Wolfgang, Meschede, Dieter, Lamata, Lucas, Solano, Enrique, Alberti, Andrea
Publikováno v:
Phys. Rev. A 110, 012615 (2024)
Sampling from a quantum distribution can be exponentially hard for classical computers and yet could be performed efficiently by a noisy intermediate-scale quantum device. A prime example of a distribution that is hard to sample is given by the outpu
Externí odkaz:
http://arxiv.org/abs/2208.12253
Autor:
Winkelmann, Falk-Richard G., Weidner, Carrie A., Ramola, Gautam, Alt, Wolfgang, Meschede, Dieter, Alberti, Andrea
We present a scheme that uses Ramsey interferometry to directly probe the Wigner function of a neutral atom confined in an optical trap. The proposed scheme relies on the well-established fact that the Wigner function at a given point $(x,p)$ in phas
Externí odkaz:
http://arxiv.org/abs/2205.15248
Publikováno v:
Phys. Rev. Applied 18, 044039, (2022)
Optical spectroscopic sensors are powerful tools for analysing gas mixtures in industrial and scientific applications. Whilst highly sensitive spectrometers tend to have a large footprint, miniaturized optical devices usually lack sensitivity or wide
Externí odkaz:
http://arxiv.org/abs/2205.06835
Publikováno v:
Physical Review Research 5.2 (2023)
Periodic driving may cause topologically protected, chiral transport along edges of a 2D lattice that, without driving, would be topologically trivial. We study what happens if one adds a different on-site potential along the diagonal of such a 2D gr
Externí odkaz:
http://arxiv.org/abs/2204.08873