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Noor Khan, Muhammad Sohail , Sapna Khan , Li Zhan, Feihong Wang, Muhammad Tahir Abbas, Sayed Khan, Xin Xu. Calculations of the van der Waals interaction strengths between two alkali Rydberg atoms[J]. Chinese Journal of Chemical Physics .
Citation: Noor Khan, Muhammad Sohail , Sapna Khan , Li Zhan, Feihong Wang, Muhammad Tahir Abbas, Sayed Khan, Xin Xu. Calculations of the van der Waals interaction strengths between two alkali Rydberg atoms[J]. Chinese Journal of Chemical Physics .

Calculations of the van der Waals interaction strengths between two alkali Rydberg atoms

  • Received Date: 2021-05-04
  • Accepted Date: 2021-05-28
  • Rev Recd Date: 2021-05-25
  • Available Online: 2021-06-23
  • We calculate the interaction strength of the van der Waals force between two Rydberg atoms by applying the applications of quantum information processing using for Rydberg blockade. The alkali metals (Cs and K) in states of principal quantum number n were used to calculate the interaction strength. We use some possible angular momentum channels involving s, p, and d states for measuring interaction strength. The obtained results were then generalized for all angular momentum channels which mostly have small interactions and therefore a poor candidate for blockade experiments. The interaction strength in the atoms of Cs and K dipole matrix elements was calculated first and then relevant energy levels were determined by using the quantum defects theory. The radial wave function was calculated numerically with the integration of the radial Schrödinger equation. Also, the interaction coefficients of van der Waals for various channels were calculated here.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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