Explain the Schrodinger equation

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SUMMARY

The discussion centers on the Schrödinger wave equation, a fundamental equation in quantum mechanics that describes how the quantum state of a physical system changes over time. The equation presented is the time-independent form for the hydrogen atom, expressed as HΨ = EΨ, where H represents the Hamiltonian operator. Participants emphasize the necessity of understanding the Laplace operator and wave functions, while also noting the importance of foundational knowledge in differential equations and calculus for a comprehensive grasp of the topic.

PREREQUISITES
  • Understanding of the Schrödinger equation and its components
  • Familiarity with the Hamiltonian operator in quantum mechanics
  • Basic knowledge of wave functions and their significance
  • Foundational concepts in calculus and differential equations
NEXT STEPS
  • Study the derivation and applications of the Schrödinger equation in quantum mechanics
  • Learn about the Laplace operator and its role in wave functions
  • Explore the Hamiltonian operator and its implications in quantum systems
  • Review differential equations and their applications in physics
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Students of quantum mechanics, physics educators, and anyone seeking to deepen their understanding of the mathematical foundations of quantum theory.

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Homework Statement
Please explain in simple words, the meaning of the Schrodinger wave equation in the quantum mechanics model of atom.
Relevant Equations
$$\frac{\partial^{2} \psi}{\partial x^{2}}+\frac{\partial^{2} \psi}{\partial y^{2}}+\frac{\partial^{2} \psi}{\partial z^{2}}+\frac{8 \pi^{2} m}{h^{2}}(E-U) \psi=0$$
Please explain in simple words, the meaning of the Schrödinger wave equation in the quantum mechanics model of atom. $$\frac{\partial^{2} \psi}{\partial x^{2}}+\frac{\partial^{2} \psi}{\partial y^{2}}+\frac{\partial^{2} \psi}{\partial z^{2}}+\frac{8 \pi^{2} m}{h^{2}}(E-U) \psi=0$$
 
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Welcome to PF. :smile:

We require that you show some effort on your schoolwork questions before we can offer tutorial help. What reading have you been doing about SE? What have you learned so far? What class is this for?

https://en.wikipedia.org/wiki/Schrödinger_equation
 
$$
\nabla ^{2}\psi +\frac{8 \pi^{2} m}{h^{2}}(E-U) \psi=0
$$
$$
\frac{\partial^{2} \psi}{\partial x^{2}}+\frac{\partial^{2} \psi}{\partial y^{2}}+\frac{\partial^{2} \psi}{\partial z^{2}}+\frac{8 \pi^{2} m}{h^{2}}(E-U) \psi=0
$$

I am not able to understand the Laplace operator and the wave function. I do not have the knowledge of
differential equations. In the time-independent Schrödinger equation for Hydrogen atom, HΨ = EΨ, where H is Hamiltonian operator.

Please explain Laplace operator Hamiltonian operator and wave function without differential equations. Thank you.
 
You haven't answered the questions asked of you by @berkeman in Post#2 yet! And you haven't told us what you do understand - for example if you are familiar with basic calculus.
 

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