Mmastodon SciencePhysics first seen 3 d ago, last 37 min ago, peak #3
Do Quantum Fields' Energy Prove They Are Real?
Original: Quantum fields carry energy. Does that prove that they’re real? In quantum physics, we often argue over "what is real?"
Ethan Siegel, writing on Big Think's Starts With a Bang, argues that quantum fields have a stronger claim to physical reality than other contested concepts in quantum physics, such as the wavefunction or eigenstates, because they carry energy. The piece weighs what it means for something to be 'real' in quantum theory, a question physicists still dispute.
Why now: The philosophical question of what counts as real in quantum mechanics is a long-running debate, and the energy argument offers a fresh angle.
Ethan SiegelBig Thinkquantum field theory
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Evidence
- Quantum fields carry energy. Does that prove that they’re real? In quantum physics, we often argue over "what is real?" Is the wavefunction? Are eigenstates? Quantum fields have a compelling argument for their reality: they carry energy. bigthink.com/starts-with-... #physics… · startswithabang.bsky.social@bsky.brid.gy · 3
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