How do Cesium gas atoms demagnetise

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SUMMARY

The discussion focuses on the demagnetization of cesium (Cs) gas atoms after alignment of their spins using a magnetic field. The decay profile of the spins is characterized by two time constants, T1 and T2, which govern relaxation and dephasing, respectively. Participants suggest consulting literature on Nuclear Magnetic Resonance (NMR) for a deeper understanding of these phenomena. Specific references to books or articles were requested to aid in further research.

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  • Understanding of Nuclear Magnetic Resonance (NMR) principles
  • Familiarity with spin dynamics in quantum mechanics
  • Knowledge of relaxation processes in magnetic systems
  • Basic grasp of time constants T1 and T2 in magnetic resonance
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  • Research "Nuclear Magnetic Resonance (NMR) Theory and Practice" for foundational knowledge
  • Study "Quantum Mechanics of Spin Systems" to understand spin alignment and dynamics
  • Explore "Magnetic Resonance Imaging: Physical Principles and Sequence Design" for practical applications
  • Investigate the mathematical modeling of relaxation processes in magnetic fields
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Physicists, chemists, and researchers in quantum mechanics or magnetic resonance who seek to understand the behavior of cesium gas atoms in magnetic fields.

TheDestroyer
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Hello guys :),

if we magnetise Cs atoms with a magnetic field (or basically any other method like pumping), and got all the spins (moments) aligned in 1 direction, and then turn the cause of the alignment off, how will the decay profile look like? is it going to be a clean exponential decay? what are the equations governing this behavior?

I don't really know where to start with the answer to this.

I would appreciate an answer, reference, essay, article, book, or whatever kind of help you may provide me :-)

Thank you for any efforts :-)
 
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You should probably try to find a book about NMR.
In the "classical" equations for this you end up with two time constants (T1 and T2) which govern the relaxation and the dephasing.
 
Thank you for your reply.

Could you please mention some specific book?
 
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