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4 papers · 2 filters
Fragility of the fractional quantum spin Hall effect in quantum gases
O. Fialko, J. Brand, U. Zuelicke
We consider the effect of contact interaction in a prototypical quantum spin Hall system of pseudo-spin-1/2 particles. A strong effective magnetic field with opposite directions fo…
Snake instability of dark solitons in fermionic superfluids
A. Cetoli, J. Brand, R. G. Scott +2
We present numerical calculations of the snake instability in a Fermi superfluid within the Bogoliubov-de Gennes theory of the BEC to BCS crossover using the random phase approxima…
Quantum simulations of the early universe
Bogdan Opanchuk, Rodney Polkinghorne, Oleksandr Fialko +2
A procedure is described whereby a linearly coupled spinor Bose condensate can be used as a physically accessible quantum simulator of the early universe. In particular, an experim…
Kibble-Zurek scaling and its breakdown for spontaneous generation of Josephson vortices in Bose-Einstein condensates
Shih-Wei Su, Shih-Chuan Gou, Ashton Bradley +2
Atomic Bose-Einstein condensates confined to a dual-ring trap support Josephson vortices as topologically stable defects in the relative phase. We propose a test of the scaling law…