Bulletin of the American Physical Society

Electric manipulation of ultracold polar $^{40}$K$^{87}$Rb molecules in a magnetic field

Goulven Quéméner, John L. Bohn

Published May 21, 2009• 0 citations

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Bulletin of the American Physical Society

Electric manipulation of ultracold polar $^{40}$ K $^{87}$ Rb molecules in a magnetic fieldElectric manipulation of ultracold polar $^{40}$K$^{87}$Rb molecules in a magnetic field

Goulven Quéméner, John L. Bohn

Published May 21, 2009• 0 citations

OpenAlex

Related papers

The New Apparatus: Enhanced Optical and Electric Manipulation of Ultracold Polar Molecules

Jacob P. Covey

Springer thesesJan 1, 20182 citations

Ultracold collisions of spin-polarized SrF $(^2\Sigma^+)$ molecules with Rb( $^2\mathrm{S}$ ) atoms in an external magnetic fieldUltracold collisions of spin-polarized SrF$(^2\Sigma^+)$ molecules with Rb($^2\mathrm{S}$) atoms in an external magnetic field

Masato Morita, Maciej B. Kosicki, Piotr Szymon Żuchowski +1 more

Bulletin of the American Physical SocietyMay 29, 20180 citations

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Anita Gaj

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Hyperfine structure in the microwave spectra of ultracold polar molecules

Hong Ran, J. Aldegunde, Jeremy M. Hutson

We investigate the microwave spectra of ultracold alkali metal dimers in magnetic, electric and combined fields taking into account the hyperfine structure due to nuclear spins. We consider the molecules 41 K 87 Rb and 7 Li 133 Cs, which are the targets of current experiments, and demonstrate two extremes of large and small nuclear quadrupole couplings. We calculate the frequencies and intensities of transitions that may be used to transfer ultracold molecules between hyperfine states in a magnetic field, employing different polarizations of microwave radiation. In an electric field, the hyperfine levels display narrow avoided crossings at specific fields that we explain in terms of molecular alignment. The hyperfine splittings that arise in electric fields may hinder individual addressing in schemes that use ultracold molecules in quantum computation, but the structure of the spectra is suppressed in combined fields.We investigate the microwave spectra of ultracold alkali metal dimers in magnetic, electric and combined fields taking into account the hyperfine structure due to nuclear spins. We consider the molecules 41 K 87 Rb and 7 Li 133 Cs, which are the targets of current experiments, and demonstrate two extremes of large and small nuclear quadrupole couplings. We calculate the frequencies and intensities of transitions that may be used to transfer ultracold molecules between hyperfine states in a magnetic field, employing different polarizations of microwave radiation. In an electric field, the hyperfine levels display narrow avoided crossings at specific fields that we explain in terms of molecular alignment. The hyperfine splittings that arise in electric fields may hinder individual addressing in schemes that use ultracold molecules in quantum computation, but the structure of the spectra is suppressed in combined fields.

arXiv:0909.3644New Journal of PhysicsApr 13, 201024 citations

Manipulating ultracold polar molecules with microwave radiation: The influence of hyperfine structure

J. Aldegunde, Hong Ran, Jeremy M. Hutson

We calculate the microwave spectra of ultracold $^{40}\text{K}^{87}\text{R}\text{b}$ alkali-metal dimers, including hyperfine interactions and in the presence of electric and magnetic fields. We show that microwave transitions may be used to transfer molecules between different hyperfine states, but only because of the presence of nuclear quadrupole interactions. Hyperfine splittings may also complicate the use of ultracold molecules for quantum computing. The spectrum of molecules oriented in electric fields may be simplified dramatically by applying a simultaneous magnetic field.We calculate the microwave spectra of ultracold $^{40}\text{K}^{87}\text{R}\text{b}$ alkali-metal dimers, including hyperfine interactions and in the presence of electric and magnetic fields. We show that microwave transitions may be used to transfer molecules between different hyperfine states, but only because of the presence of nuclear quadrupole interactions. Hyperfine splittings may also complicate the use of ultracold molecules for quantum computing. The spectrum of molecules oriented in electric fields may be simplified dramatically by applying a simultaneous magnetic field.

arXiv:0905.4489Physical Review AOct 15, 200947 citations

Electric manipulation of ultracold polar

^{40}

^{87}

Rb molecules in a magnetic field

Ultracold collisions of spin-polarized SrF

(^2\Sigma^+)

molecules with Rb(

^2\mathrm{S}

) atoms in an external magnetic field

Experiments with Ultracold KRb and Rb

_{2}

Molecules

We calculate the microwave spectra of ultracold

^{40}\text{K}^{87}\text{R}\text{b}

alkali-metal dimers, including hyperfine interactions and in the presence of electric and magnetic fields. We show that microwave transitions may be used to transfer molecules between different hyperfine states, but only because of the presence of nuclear quadrupole interactions. Hyperfine splittings may also complicate the use of ultracold molecules for quantum computing. The spectrum of molecules oriented in electric fields may be simplified dramatically by applying a simultaneous magnetic field.