Phase dynamics of a multimode Bose condensate controlled by decay

Abstract

The relative phase between two uncoupled BE condensates tends to attain a specific value when the phase is measured. This can be done by observing their decay products in interference. We discuss exactly solvable models for this process in cases where competing observation channels drive the phases to different sets of values. We treat the case of two modes which both emit into the input ports of two beam splitters, and of a linear or circular chain of modes. In these latter cases, the transitivity of relative phase becomes an issue.

References in corpus (5)

• Measurements of Relative Phase in Binary Mixtures of Bose-Einstein Condensates
• Entanglement of two-mode Bose-Einstein condensates
• Continuous Observation of Interference Fringes from Bose Condensates
• Bose-Einstein condensate in a double-well potential as an open quantum system
• Reconstruction of the joint state of a two-mode Bose-Einstein condensate