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Control Of Trapped-Ion Quantum States With Optical Pulses, Chitra Rangan, A.M. Bloch, C. Monroe, P.H. Bucksbaum
Control Of Trapped-Ion Quantum States With Optical Pulses, Chitra Rangan, A.M. Bloch, C. Monroe, P.H. Bucksbaum
Physics Publications
The control-theoretical analysis of control of trapped-ion quantum states is described with optical pulses in large Hilbert spaces. The resonant bichromatic fields were applied to completely uncontrollable and controllable systems. The specific temporal shapes of control fields are important to determine controllability of trapped system. The Hilbert space of qubit-harmonic oscillator is made finite and Schrödinger equation controllable through resonant bichromatic fields.
Broadband Precision Wavelength Meter Based On A Stepping Fabry-Pérot Interferometer, T.J. Scholl, Steven J. Rehse, R.A. Holt, S.D. Rosner
Broadband Precision Wavelength Meter Based On A Stepping Fabry-Pérot Interferometer, T.J. Scholl, Steven J. Rehse, R.A. Holt, S.D. Rosner
Physics Publications
We have constructed a broadband apparatus for wavelength metrology capable of absolute accuracy at a level of better than 2 parts in 109. An evacuated plane-parallel Fabry-Pérot interferometer with continuously adjustable mirror separation is used to compare the wavelength of a single-frequency tunable laser with that of an iodine-stabilized HeNe laser used as a wavelength standard. This work details apparatus construction, a thorough investigation of systematic errors, and data analysis. The wavelengths of five Doppler-free 130Te2 transitions in the region from 475.6 to 490.8 nm have been measured and are found to be in excellent agreement with previous measurements. In …
High Precision Variational Calculations For H2 +, M. M. Cassar, Gordon W. F. Drake
High Precision Variational Calculations For H2 +, M. M. Cassar, Gordon W. F. Drake
Physics Publications
A double basis set in Hylleraas coordinates is used to obtain improved variational upper bounds for the nonrelativistic energy of the 1 1S (v = 0, R = 0), 2 1S (v = 1, R = 0) and 2 3P (v = 0, R = 1) states of H2 +. This method shows a remarkable convergence rate for relatively compact basis set expansions. A comparison with the most recent work is made. The accuracy of the wavefunctions is tested using the electron-proton Kato cusp condition.