Podcast
Questions and Answers
What is the total energy expression for the singlet state?
What is the total energy expression for the singlet state?
- $-4E_R(\frac{1}{n_1^2} + \frac{1}{n_2^2} + D_{\alpha \beta} - J_{\alpha \beta})$
- $-4E_R(\frac{1}{n_1^2} + \frac{1}{n_2^2} - D_{\alpha \beta} + J_{\alpha \beta})$
- $-4E_R(\frac{1}{n_1^2} + \frac{1}{n_2^2} + D_{\alpha \beta} + J_{\alpha \beta})$ (correct)
- $-4E_R(\frac{1}{n_1^2} + \frac{1}{n_2^2} - D_{\alpha \beta} - J_{\alpha \beta})$
What is the difference in energies for the singlet and triplet states?
What is the difference in energies for the singlet and triplet states?
- $2J_{\alpha \beta}$ (correct)
- $J_{\alpha \beta}$
- $-J_{\alpha \beta}$
- $-2J_{\alpha \beta}$
What is the measured value of the ground state energy for helium?
What is the measured value of the ground state energy for helium?
- 76.98 eV
- 77.98 eV
- 78.98 eV (correct)
- 75.98 eV
Why is exchange splitting a significant effect in the structure of the helium atom?
Why is exchange splitting a significant effect in the structure of the helium atom?
How is exchange energy sometimes written to show the change of energy related to the alignment of the spins?
How is exchange energy sometimes written to show the change of energy related to the alignment of the spins?
In the context of the Zeeman effect, what is the interaction energy between the magnetic moment and a uniform magnetic field?
In the context of the Zeeman effect, what is the interaction energy between the magnetic moment and a uniform magnetic field?
What is the formula for predicting the frequencies of the split component lines due to the Zeeman effect?
What is the formula for predicting the frequencies of the split component lines due to the Zeeman effect?
What type of interaction between atoms and a magnetic field can be classified as depending on quantum mechanical effects?
What type of interaction between atoms and a magnetic field can be classified as depending on quantum mechanical effects?
What does the Zeeman effect describe in the context of atomic physics?
What does the Zeeman effect describe in the context of atomic physics?
What does the net spin of the active electron of an atom being equal to zero represent in the context of atomic physics?
What does the net spin of the active electron of an atom being equal to zero represent in the context of atomic physics?
