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  Q&A for active researchers, academics and students of physics

• Tour - Physics Stack Exchange

  Arlen 2 Answers 4 Imagine a mirror placed on the floor. Your face, looking at it, will be pointed downwards; but the face "in the mirror" is "looking" up. The other ans...

• Newest Questions - Physics Stack Exchange

  The relation given as: ∑𝑖 = 𝑗̸𝑒𝑖 (𝜎i ⋅ 𝜎j) = 2J⋅∑𝑖𝑒𝑖𝜎iz − 3∑𝑖𝑒𝑖, Here, 𝜎 is the pauli spin matrices, 𝜎iz is the z-component of pauli matrices ...

• homework and exercises - Abiotic oil vs the traditional theory of oil deposit formation - Physics

  I am curious to see what people think of the abiotic theory of oil deposit formation versus the traditional theory. I have long wondered how enough organic material became trapped underground to d...

• How do I ask a good question? - Help Center - Physics Stack Exchange

  before asking your question? Sharing your research helps everyone. Tell us what you found and why it didn’t meet your needs. This demonstrates that you’ve taken the time to try to help yourself, i...

• general relativity - Learn about tensors for physics - Physics Stack Exchange

  Can I have suggestions for some good book regarding tensors for physics.