Lande g Factor Calculator

In the fields of Quantum Physics and Atomic Physics, understanding how atomic and subatomic particles interact with magnetic fields is essential. A key concept in this area is the Landé g-factor, which helps us calculate the magnetic moment of a quantum state. This tutorial will explore the Landé g-factor and its related calculations and formulas based on Total Quantum Numbers, Spin Quantum Numbers, and Orbital Quantum Numbers.

Lande g Factor based on Quantum Numbers Calculator
Lande g Factor Calculator Results
Lande G-Factor (gJ) =

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Example Formula

The Landé g-factor (gJ) can be calculated using the formula:

gJ = 1 + (j(j + 1) + s(s + 1) - l(l + 1)) / (2j(j + 1))


  1. gJ is the Landé g-factor.
  2. j is the Total Quantum Number.
  3. s is the Spin Quantum Number.
  4. l is the Orbital Quantum Number.

Who wrote/refined the formula

The formula is named after the German physicist Alfred Landé who introduced it in the early 20th century. It plays a key role in quantum mechanics, particularly in the study of atomic and molecular spectra.

Real Life Application

The Landé g-factor is crucial in spectroscopy, a field that looks at the interaction between matter and electromagnetic radiation. This is used in real life in various scientific and technological applications, from identifying chemical compounds to medical imaging technologies like MRI.

Key individuals in the discipline

Alfred Landé made significant contributions to Quantum Physics. He introduced the concept of the Landé g-factor and played a crucial role in developing the quantum theory of magnetic properties of atoms and molecules. His work continues to shape our understanding of quantum phenomena.

Interesting Facts

  1. The Landé g-factor is used in many areas of science and technology, including chemistry, medicine, and materials science.
  2. Landé's work on the g-factor earned him a nomination for the Nobel Prize in Physics in 1929.
  3. The theory and formula have played a vital role in advancing our understanding of quantum mechanics, leading to numerous technological innovations.


Understanding the Landé g-factor is fundamental to our knowledge of how quantum states interact with magnetic fields. Whether it's for identifying substances through spectroscopy or for understanding the quantum world better, the contributions of Alfred Landé continue to resonate in science and technology today.

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