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Superposition states of ultracold bosons in rotating rings with a weak potential barrier
Superposition states ultracold bosons weak potential barrier
2010/11/23
We study ultracold bosons in a one-dimensional rotating ring lattice with a weak potential barrier well below unit filling. Due to the potential barrier the eigenstates are superpositions of different...
Dynamical generation of phase-squeezed states in a two-component Bose-Einstein condensates
Dynamical generation of phase-squeezed states two-component Bose-Einstein condensates
2010/11/22
As an “input” state of a linear (Mach-Zehnder or Ramsey) interferometer, the phase-squeezed
state proposed by Berry and Wiseman exhibits the best sensitivity approaching to the Heisenberg
limit [Phy...