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The particles can either be fermions, as in Hubbard's original work, or bosons, in which case the model is referred to as the "Bose–Hubbard model". The Hubbard model is a useful approximation for particles in a periodic potential at sufficiently low temperatures, where all the particles may be assumed to be in the lowest Bloch band , and long ...
"Hubbert's peak" can refer to the peaking of production in a particular area, which has now been observed for many fields and regions. Hubbert's peak was thought to have been achieved in the United States contiguous 48 states (that is, excluding Alaska and Hawaii) in the early 1970s. Oil production peaked at 10.2 million barrels (1.62 × 10 ^ 6 m 3) per day in 1970 and then dec
internal ray of main cardioid of angle 1/3: starts from center of main cardioid c=0, ends in the root point of period 3 component, which is the landing point of parameter (external) rays of angles 1/7 and 2/7
The infinite series of axial or prismatic groups have an index n, which can be any integer; in each series, the nth symmetry group contains n-fold rotational symmetry about an axis, i.e., symmetry with respect to a rotation by an angle 360°/n. n=1 covers the cases of no rotational symmetry at all.
Blue Spirits is an album by trumpeter Freddie Hubbard released on the Blue Note label. It would be his last studio album for Blue Note, recorded in the 1960s. It features performances by Hubbard, James Spaulding, Joe Henderson, Harold Mabern, Jr., Larry Ridley, Clifford Jarvis, Big Black, Kiane Zawadi, Hank Mobley, McCoy Tyner, Bob Cranshaw, Pete LaRoca.
The Hubbert curve is an approximation of the production rate of a resource over time. It is a symmetric logistic distribution curve, [1] often confused with the "normal" gaussian function.
Mission Earth is a ten-volume science fiction novel series by L. Ron Hubbard. Hubbard died three months after the publication of volume 1, and other volumes were published posthumously. The series's initial publisher, Bridge Publications, coined the word dekalogy, meaning "a series of ten books", to describe and promote the novel. Made up of ...
Gracepoint is an American crime drama television series created by Chris Chibnall. [1] It is a remake of Chibnall's series, Broadchurch, and stars that series' lead, David Tennant, along with Anna Gunn, as two detectives investigating the murder of a boy in a small, tightly knit coastal town. The series premiered on October 2, 2014, on Fox. [2]