Measuring Cold Molecules the Quantum Way

Speaker: 
Jordi Mur-Petit
Event Date and Time: 
Tue, 2015-04-07 16:00 - 17:00
Location: 
Chem D-215
Local Contact: 
Roman Krems
Intended Audience: 
Graduate

Experimental advances in the production of cold molecules in the last years have triggered a flurry of theoretical work in fields as diverse as precision spectroscopy, controlled chemistry, fundamental physics, or quantum computation and simulation [1,2]. Progress on these lines naturally demands an increasing level of precision in the measurement and control of molecular states and properties. In this talk, I will present two of our recent contributions to this end. First, I will review some ideas and tools of cold atomic physics and quantum information that underlie our work. Then, I will introduce a quantum spectroscopy protocol for molecular ions based on their interaction with trapped atomic ions and phase gates [3].

After this, I will show how these ideas can be generalized to enable the measurement of a polar molecule's electric dipole moment [4]. Finally, I will discuss some of our ongoing work to use cold polar molecules for quantum simulation and quantum metrology.!

 

[1] L.D. Carr, D. DeMille, R.V. Krems, and J. Ye: "Cold and ultracold molecules: science, technology and applications", New J. Phys. 11, 055049 (2009).

[2] D.S. Jin and J. Ye (eds): special issue on Ultracold Molecules, Chem. Rev. 112, 4801-5072 (2012).

[3] J. Mur-Petit, J. Pérez-Ríos, J. Campos-Martínez, M. I. Hernández, S. Willitsch, and J. J. García-Ripoll:

"Temperature-independent quantum logic for molecular spectroscopy", Phys. Rev. A 85, 022308 (2012).

[4] J. Mur-Petit and J.J. Garcia-Ripoll: "Measuring molecular electric dipoles using trapped atomic ions and ultrafast laser pulses", Phys. Rev. A 91, 012504 (2015).

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