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Quantum Foundations Podcast

Locality in Quantum Physics Explained with Dr Nicetu Tibau Vidal

Nov 24, 2024
Dr. Nicetu Tibau Vidal, a Research Fellow at the University of Hong Kong and former Oxford PhD student, discusses the intriguing interplay of locality and quantum physics. He explores the validity of local realism, challenging the idea that entangled particles' actions are non-local. The conversation unpacks Bell's theorem and its implications, alongside insightful thought experiments like sock measurements. Nicetu also delves into how our understanding of particles and their properties needs to evolve, with profound implications for the nature of reality.
02:01:13

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Quick takeaways

  • Dr. Nicetu Tibau Vidal presents a local interpretation of quantum mechanics that preserves locality and realism despite challenges from entanglement.
  • Einstein's commitment to locality and hidden variables reflects a classical perspective that conflicts with non-local interpretations of quantum phenomena.

Deep dives

The Concept of Locality in Quantum Mechanics

Locality is a fundamental principle in physics representing that objects are influenced only by their immediate surroundings rather than distant events. In quantum mechanics, locality is often challenged by phenomena like entanglement, where two particles appear interconnected despite being separated. The discussion reveals that locality can be preserved even in quantum systems, suggesting that entangled particles can interact through local properties and local interactions, which defies the common perception of 'spooky action at a distance.' This local interpretation allows for a better understanding of quantum mechanics without resorting to non-local influences.

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