Josephson junction dynamics in a two-dimensional ultracold Bose gas
We investigate the Berezinskii-Kosterlitz-Thouless (BKT) scaling of the critical current of
Josephson junction dynamics across a barrier potential in a two-dimensional Bose gas …
Josephson junction dynamics across a barrier potential in a two-dimensional Bose gas …
Superfluidity and relaxation dynamics of a laser-stirred two-dimensional Bose gas
We investigate the superfluid behavior of a two-dimensional (2D) Bose gas of Rb 87 atoms
using classical field dynamics. In the experiment by R. Desbuquois et al.[Nat. Phys. 8, 645 …
using classical field dynamics. In the experiment by R. Desbuquois et al.[Nat. Phys. 8, 645 …
Quasi-long-range order in trapped two-dimensional Bose gases
I Boettcher, M Holzmann - Physical Review A, 2016 - APS
We study the fate of algebraic decay of correlations in a harmonically trapped two-
dimensional degenerate Bose gas. The analysis is inspired by recent experiments on …
dimensional degenerate Bose gas. The analysis is inspired by recent experiments on …
A two-dimensional Fermi gas in the BEC-BCS crossover
MG Ries - 2015 - archiv.ub.uni-heidelberg.de
This thesis reports on the preparation of a 2D Fermi gas in the BEC-BCS crossover and the
observation of the BKT transition into a quasi long-range ordered superfluid phase. The pair …
observation of the BKT transition into a quasi long-range ordered superfluid phase. The pair …
A phase microscope for quantum gases
JC Brüggenjürgen, MS Fischer… - arxiv preprint arxiv …, 2024 - arxiv.org
Coherence properties are central to quantum systems and are at the heart of phenomena
such as superconductivity. Here we study coherence properties of an ultracold Bose gas in a …
such as superconductivity. Here we study coherence properties of an ultracold Bose gas in a …
Detecting Phase Coherence of 2D Bose Gases via Noise Correlations
We measure the noise correlations of two-dimensional (2D) Bose gases after free
expansion, which allows us to characterize the in-situ phase coherence across the …
expansion, which allows us to characterize the in-situ phase coherence across the …
Observation of a Bilayer Superfluid with Interlayer Coherence
E Rydow, VP Singh, A Beregi, E Chang… - arxiv preprint arxiv …, 2024 - arxiv.org
Controlling the coupling between different degrees of freedom in many-body systems is a
powerful technique for engineering novel phases of matter. We create a bilayer system of …
powerful technique for engineering novel phases of matter. We create a bilayer system of …
Two-body correlations and natural-orbital tomography in ultracold bosonic systems of definite parity
S Krönke, P Schmelcher - Physical Review A, 2015 - APS
The relationship between natural orbitals, one-body coherences, and two-body correlations
is explored for bosonic many-body systems of definite parity with two occupied single …
is explored for bosonic many-body systems of definite parity with two occupied single …
Two-dimensional Bose gases in systems with pointlike disorder
D Garrick - 2022 - ora.ox.ac.uk
The effect of disorder on many-body physics is important for our understanding of real-world
systems. In particular, the behaviour of phase transitions between superfluid, normal and …
systems. In particular, the behaviour of phase transitions between superfluid, normal and …
Non-equilibrium dynamics in two-dimensional quantum systems
S Sunami - 2021 - ora.ox.ac.uk
The understanding and precise prediction of non-equilibrium quantum many-body
dynamics, in particular across a critical point, remains a difficult task due to the relevance of …
dynamics, in particular across a critical point, remains a difficult task due to the relevance of …