Hopfield may refer to:
* A field used for cultivating
hops
Hops are the flowers (also called seed cones or strobiles) of the hop plant ''Humulus lupulus'', a member of the Cannabaceae family of flowering plants. They are used primarily as a bittering, flavouring, and stability agent in beer, to whi ...
*
Hopfield net, a type of neural network
*
John Joseph Hopfield (born 1933), American biologist and physicist, inventor of the Hopfield net
*
John J. Hopfield (spectroscopist) (1891–1953), American spectroscopist, with several eponymous spectral details:
**
Hopfield bands Hopfield may refer to:
* A field used for cultivating hops
* Hopfield net, a type of neural network
* John Joseph Hopfield (born 1933), American biologist and physicist, inventor of the Hopfield net
* John J. Hopfield (spectroscopist) (1891–1953), ...
, one of the important molecular oxygen
absorption band
According to quantum mechanics, atoms and molecules can only hold certain defined quantities of energy, or exist in specific states. When such quanta of electromagnetic radiation are emitted or absorbed by an atom or molecule, energy of the ...
s
**
Lyman–Birge–Hopfield bands (LBH bands), one of the important molecular nitrogen
absorption band
According to quantum mechanics, atoms and molecules can only hold certain defined quantities of energy, or exist in specific states. When such quanta of electromagnetic radiation are emitted or absorbed by an atom or molecule, energy of the ...
s
**
Hopfield continuum Hopfield may refer to:
* A field used for cultivating hops
* Hopfield net
A Hopfield network (or Ising model of a neural network or Ising–Lenz–Little model) is a form of recurrent artificial neural network and a type of spin glass system popu ...
, a band in the
emission spectrum
The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to an electron making a atomic electron transition, transition from a high energy state to a lower energy st ...
of helium
See also:
* ''
Adventure in the Hopfields
''Adventure in the Hopfields'' is a 1954 British children's film directed by John Guillermin and starring Mandy Miller. It was made for the Children's Film Foundation. Location filming took place in and around Goudhurst in Kent.
Plot
After acci ...
'', a 1954 black and white short (60 min) film, directed by John Guillermin and written by John Cresswell, thought to have been lost until 2002 when an American film fan found a copy in a rubbish skip outside a Chicago television studio
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