query: Do Photons Accelerate Upon Creation?
positive_passages.docid: 41041
positive_passages.text: Does a photon instantaneously gain $c$ speed when emitted from an electron?
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: 144809
negative_passages.text: Do photons affect one another
negative_passages.docid: 38454
negative_passages.text: Do anti-photons exist?
negative_passages.docid: 37227
negative_passages.text: Spontaneous pair production?
negative_passages.docid: 157497
negative_passages.text: During reflection does the emitted photon have same properties?
negative_passages.docid: 49047
negative_passages.text: Redshifted Photon Energy
negative_passages.docid: 81503
negative_passages.text: Do photons truly exist in a physical sense or are they just a useful concept like $i = \sqrt{-1}$?
negative_passages.docid: 21069
negative_passages.text: What happens to photons after they hit objects?
negative_passages.docid: 82218
negative_passages.text: Do we really not know why atoms 'decide' to produce a photon?
negative_passages.docid: 56005
negative_passages.text: Speed of light travel
negative_passages.docid: 33110
negative_passages.text: The origin of the value of speed of light in vacuum
negative_passages.docid: 158809
negative_passages.text: What is the status of massless photons traveling through a medium?
negative_passages.docid: 47568
negative_passages.text: Is it experimentally proven that photons travel at speed $c$ in vacuum?
negative_passages.docid: 97032
negative_passages.text: Does light accelerate or slow down during reflection?
negative_passages.docid: 95125
negative_passages.text: Rest mass of the photon
negative_passages.docid: 27825
negative_passages.text: Bending of light - photon's inertia instead of mass