Physics

Paschen-Back effects and Rydberg-state diamagnetism in vapor-cell electromagnetically induced transparency

Author(s): L. Ma, D. A. Anderson, and G. Raithel

Magnetic-field strengths are measured with high precision. The results indicate the possibility of using Rydberg atoms for sensing strong magnetic fields.


[Phys. Rev. A 95, 061804(R)] Published Tue Jun 27, 2017

Categories: Journals, Physics

Optimal phase measurements with bright- and vacuum-seeded SU(1,1) interferometers

Author(s): Brian E. Anderson, Bonnie L. Schmittberger, Prasoon Gupta, Kevin M. Jones, and Paul D. Lett

The SU(1,1) interferometer can be thought of as a Mach-Zehnder interferometer with its linear beam splitters replaced with parametric nonlinear optical processes. We consider the cases of bright- and vacuum-seeded SU(1,1) interferometers using intensity or homodyne detectors. A simplified truncated ...


[Phys. Rev. A 95, 063843] Published Tue Jun 27, 2017

Categories: Journals, Physics

Protected ultrastrong coupling regime of the two-photon quantum Rabi model with trapped ions

Author(s): Ricardo Puebla, Myung-Joong Hwang, Jorge Casanova, and Martin B. Plenio

We propose a robust realization of the two-photon quantum Rabi model in a trapped-ion setting based on a continuous dynamical decoupling scheme. In this manner the magnetic dephasing noise, which is identified as the main obstacle to achieve long-time coherent dynamics in ion-trap simulators, can be...


[Phys. Rev. A 95, 063844] Published Tue Jun 27, 2017

Categories: Journals, Physics
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