97 citations · 323 across the 11 of their papers we have counts for
11 papers
Collective modes and superfluidity of a two-dimensional ultracold Bose gas
Vijay Pal Singh, Ludwig Mathey
The collective modes of a quantum liquid shape and impact its properties profoundly, including its emergent phenomena such as superfluidity. Here we present how a two-dimensional B…
Dynamical control of the conductivity of an atomic Josephson junction
Beilei Zhu, Vijay Pal Singh, Junichi Okamoto +1
We propose to dynamically control the conductivity of a Josephson junction composed of two weakly coupled one dimensional condensates of ultracold atoms. A current is induced by a…
Second sound in the BEC-BCS crossover
Daniel Kai Hoffmann, Vijay Pal Singh, Thomas Paintner +4
Second sound is an entropy wave which propagates in the superfluid component of a quantum liquid. Because it is an entropy wave, it probes the thermodynamic properties of the quant…
Josephson junction dynamics in a two-dimensional ultracold Bose gas
Vijay Pal Singh, Niclas Luick, Lennart Sobirey +1
We investigate the Berezinskii-Kosterlitz-Thouless (BKT) scaling of the critical current of Josephson junction dynamics across a barrier potential in a two-dimensional (2D) Bose ga…
Sound propagation in a two-dimensional Bose gas across the superfluid transition
Vijay Pal Singh, Ludwig Mathey
Motivated by recent experiments in Phys. Rev. Lett. 121, 145301 (2018), we study sound propagation in a two-dimensional (2D) Bose gas across the superfluid-thermal transition using…
An ideal Josephson junction in an ultracold two-dimensional Fermi gas
Niclas Luick, Lennart Sobirey, Markus Bohlen +4
The role of reduced dimensionality in high temperature superconductors is still under debate. Recently, ultracold atoms have emerged as an ideal model system to study such strongly…