query: Could a photon also be a fermion?
positive_passages.docid: 155738
positive_passages.text: Can light be a spinor?
negative_passages.docid: 132454
negative_passages.text: Has a free neutron ever been shown to absorb/emit/interact with a photon?
negative_passages.docid: 99735
negative_passages.text: Are there any theoretical limits on the energy of a photon?
negative_passages.docid: 12847
negative_passages.text: If photons have no mass, how can they have momentum?
negative_passages.docid: 48000
negative_passages.text: How do electrons and photons interact?
negative_passages.docid: 56610
negative_passages.text: Does a single white photon exist?
negative_passages.docid: 17787
negative_passages.text: Photoelectric Effect, Why can't two quanta interact with an electron at the same time?
negative_passages.docid: 92358
negative_passages.text: Can bosons that are composed of several fermions occupy the same state?
negative_passages.docid: 68726
negative_passages.text: Does photon have size measurement because of its particle nature
negative_passages.docid: 38865
negative_passages.text: How can a Photon have a "frequency"?
negative_passages.docid: 99275
negative_passages.text: Do x-rays and gamma rays also contain photons like visible light does?
negative_passages.docid: 53759
negative_passages.text: How do we know photons have spin 1?
negative_passages.docid: 2191
negative_passages.text: Is there a maximum amount of photons that can exist in a certain amount of space?
negative_passages.docid: 15767
negative_passages.text: Can a free particle absorb/emit photons?
negative_passages.docid: 141866
negative_passages.text: The lightest photon ever detected
negative_passages.docid: 55085
negative_passages.text: How come a photon acts like it has mass in a superconducting field?
negative_passages.docid: 41466
negative_passages.text: Can the photoelectric effect be explained without photons?