Mmastodon SciencePhysics first seen 7 h ago, last 11 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?"
Physicist Ethan Siegel argues that quantum fields have a strong claim to being physically real because they carry measurable energy, unlike other contested quantum concepts such as the wavefunction or eigenstates. The essay, published on Big Think's Starts With a Bang, revisits the long-running debate in quantum physics over what counts as real versus merely a useful mathematical tool.
Why now: The philosophical question of what is real in quantum physics remains a lively debate, and the energy argument offers a fresh angle.
Ethan SiegelBig ThinkStarts With a Bang
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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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