Kohn

Definition

Kohn is a term associated with Walter Kohn, known for his development of Density Functional Theory (DFT) in chemistry. DFT is a computational quantum mechanical modeling method used to investigate the electronic structure of many-body systems.

5 Must Know Facts For Your Next Test

1. Walter Kohn was awarded the Nobel Prize in Chemistry in 1998 for his development of Density Functional Theory.
2. Density Functional Theory simplifies complex many-electron problems using electron density rather than wavefunctions.
3. DFT has become one of the most popular methods for studying molecular orbitals and bonding in chemistry.
4. Kohn's work allows chemists to predict physical properties and reactivity of molecules with greater accuracy.
5. DFT uses approximations such as the Local Density Approximation (LDA) or Generalized Gradient Approximation (GGA) to solve equations.

Review Questions

• What significant contribution did Walter Kohn make to the field of chemistry?
• How does Density Functional Theory differ from traditional wavefunction-based methods?
• Why is Density Functional Theory important for studying molecular orbitals?

Related terms

Density Functional Theory (DFT): A quantum mechanical method used to calculate the electronic structure of atoms, molecules, and solids based on electron density.

Local Density Approximation (LDA): An approximation method within DFT that assumes electron density varies slowly across space.

Generalized Gradient Approximation (GGA): An extension of LDA in DFT that includes gradient corrections to account for variations in electron density.