Understanding the "Spin" Property of Particles

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The "spin" property of particles is an intrinsic characteristic that helps define their identity, similar to mass. It plays a crucial role in characterizing particles and is essential for understanding their behavior in quantum mechanics. Spin is analogous to angular momentum, providing an additional contribution to the classical angular momentum of particles. This property is fundamental in various physical phenomena, including particle interactions and statistics. Understanding spin is vital for grasping the complexities of quantum physics.
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I'm just learning about the "spin" property of particles but I'm a little confused. What exactly is the "spin" property of particles and why is it important? Thanks for the help!
 
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spin is identity form the particles. because of spin is important.
 
quaternary said:
spin is identity form the particles.

I'd say an intrinsic charcteristic of particles... such as a mass. So, why is it important?
 
because the particles be characterize with spin.
 
That's it!

Moreover, spin is as important as the angular momentum... because it's like an extra-contribution to the classical angular momentum.

Regards.
 

Thread 'Two equivalent statements of time reversal symmetric Hamiltonian'

Time reversal invariant Hamiltonians must satisfy ##[H,\Theta]=0## where ##\Theta## is time reversal operator. However, in some texts (for example see Many-body Quantum Theory in Condensed Matter Physics an introduction, HENRIK BRUUS and KARSTEN FLENSBERG, Corrected version: 14 January 2016, section 7.1.4) the time reversal invariant condition is introduced as ##H=H^*##. How these two conditions are identical?
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