Quantum mechanics describes the microscopic properties of nature in a regime where classical mechanics no longer applies. It explains phenomena such as the wave-particle duality, quantization of energy and the uncertainty principle and is generally used in single body systems. Use the ...

learn more… | top users | synonyms (4)

2
votes
2answers
86 views
+50

Condition for adibatic approximation, derivation?

In quantum mechanics it is said that an adibatic approximation is valid when: $$T\gt \gt \frac{\hbar}{\Delta E}$$ where $T$ is the time scale of variation of the Hamiltonian and $\Delta E$ is the ...