Phys. Rev. A 80, 050102(R) (2009) [4 pages]Phase shift of an adiabatic rotating magnetic field in Ramsey atom interferometry for m=0 sodium-atom spin states
The π-phase shift between |F=1,mF=0⟩ and |F=2,mF=0⟩ states for an adiabatic rotation of a magnetic field observed in Ramsey atom interferometry arises from the negative sign of the transition amplitude between the |1,0⟩ and |2,0⟩ states when the wave functions are rotated to the opposite direction. Using a two-photon Raman atom interferometer with a cold ensemble of sodium atoms, the phase shift for a half-rotation of the magnetic field was confirmed to be π rad with an uncertainty of 4%, and the phase shift for a noncyclic adiabatic rotation of the magnetic field was investigated. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.80.050102
DOI:
10.1103/PhysRevA.80.050102
PACS:
03.65.Vf, 03.75.Dg, 32.80.Qk, 37.25.+k
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