Academic literature on the topic 'Hubbert peak theory'

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Journal articles on the topic "Hubbert peak theory"

1

Priest, Tyler. "Hubbert’s Peak." Historical Studies in the Natural Sciences 44, no. 1 (2012): 37–79. http://dx.doi.org/10.1525/hsns.2014.44.1.37.

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This paper analyzes the major debates over future petroleum supply in the United States, in particular the long-running feud between the world-famous geologist, M. King Hubbert, and the director of the U.S. Geological Survey, Vincent E. McKelvey. The intellectual history of resource evaluation reveals that, by the mid-twentieth century, economists had come to control the discourse of defining a “natural resource.” Their assurances of abundance overturned earlier conceptions of petroleum supplies as fixed and finite in favor of a more flexible understanding of resource potential in a capitalist society and acceptance of the price elasticity of natural resources. In 1956, King Hubbert questioned these assurances by predicting that U.S. domestic oil production would peak around 1970, which drew him into a long-running debate with McKelvey and the so-called “Cornucopians.” When Hubbert’s Peak was validated in the mid-1970s, he became a prophet. The acceptance of Hubbert’s theory ensured the centrality of oil in almost all discourses about the future, and it even created a cultural movement of prophecy believers fixated on preparing for the oil end times. Although notions of resource cornucopia seem to be once again in ascendance in the United States, Hubbert’s Peak still haunts any consideration of humanity’s environmental future.
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2

Jones, Trevor H., and N. Brad Willms. "A critique of Hubbert’s model for peak oil." FACETS 3, no. 1 (2018): 260–74. http://dx.doi.org/10.1139/facets-2017-0097.

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In 1956, Shell Oil Company geologist M. King Hubbert published a model for the growth and decline over time of the production rates of oil extracted from the land mass of the continental US. Employing an estimate for the amount of ultimately recoverable oil and a logistic curve for the oil production rate, he accurately predicted a peak in US oil production for 1970. His arguments and the success of his prediction have been much celebrated, and the original paper has 1400 publication citations to date. The theory of “peak oil” (and subsequently, of natural resource scarcity in general) has consequently become associated with Hubbert and “Hubbert” curves and models. However, his prediction for the timing of a world peak oil production rate and the subsequent predictions of many others have proven inaccurate. We revisit the Hubbert model for oil extraction and provide an analysis of it and several variants in the language of (time) autonomous differential equations.
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3

Perifanis, Theodosios. "How US Suppliers Alter Their Extraction Rates and What This Means for Peak Oil Theory." Energies 15, no. 3 (2022): 821. http://dx.doi.org/10.3390/en15030821.

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Hubbert suggests that oil extraction rates will have an exponentially increasing course until they reach their highest level and then they will suddenly decline. This best describes the well-acclaimed Peak Oil Theory or Peak Oil. We research whether the theory is validated in seven US plays after the shale revolution. We do so by applying two well-established methodologies for asset bubble detection in capital markets on productivity rates per day (bbl/d). Our hypothesis is that if there is a past or an ongoing oil extraction rate peak then Hubbert’s model is verified. If there are multiple episodes of productivity peaks, then it is rejected. We find that the Peak Theory is not confirmed and that shale production mainly responds to demand signals. Therefore, the oil production curve is flattened prolonging oil dependency and energy transition. Since the US production is free of geological constraints, then maximum productivity may not ever be reached due to lower demand levels. Past market failures make the US producers more cautious with productivity increases. Our period is between January 2008 and December 2021.
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4

Hélias, Arnaud, and Reinout Heijungs. "Resource depletion potentials from bottom-up models: Population dynamics and the Hubbert peak theory." Science of The Total Environment 650 (February 2019): 1303–8. http://dx.doi.org/10.1016/j.scitotenv.2018.09.119.

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5

Schmitt, Cannon. "Peak Freedgood." Victorian Literature and Culture 47, no. 3 (2019): 651–55. http://dx.doi.org/10.1017/s1060150319000275.

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The allusion in my title, of course, is to Marion King Hubbert's theory of “peak oil,” that moment in history when petroleum production reaches maximum output and then begins to decline. But Peak Freedgood is not Time's fool. It is an ever-fixèd mark: a quality or an intensity rather than a quantity; a stretch of Elaine Freedgood's work in which she is most like herself—when Elaineness production reaches maximum output. Such passages can be encountered in every book and article she's ever published, but the one I'll start with appears in a 2010 New Literary History essay called “Fictional Settlements” focused on Catharine Parr Traill's Canadian Crusoes (1852).
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6

ZHU, JIAN-XIN, R. C. ALBERS, and J. M. WILLS. "EQUATION-OF-MOTION APPROACH TO DYNAMICAL MEAN FIELD THEORY." Modern Physics Letters B 20, no. 25 (2006): 1629–36. http://dx.doi.org/10.1142/s0217984906011980.

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We propose using an equation-of-motion approach as an impurity solver for dynamical mean field theory. As an illustration of this technique, we consider a finite-U Hubbard model defined on the Bethe lattice with infinite connectivity at arbitrary filling. Depending on the filling, the spectra that is obtained exhibits a quasiparticle peak, and lower and upper Hubbard bands as typical features of strongly correlated materials. The results are also compared and in good agreement with exact diagonalization. We also find a different picture of the spectral weight transfer than the iterative perturbation theory.
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7

Brazovskii, S. "Theory of the ferroelectric Mott-Hubbard phase in organic conductors." Journal de Physique IV 12, no. 9 (2002): 149–52. http://dx.doi.org/10.1051/jp4:20020382.

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Recently the ferroelectric FE anomaly (Nad, Monceau, et al.) followed by the charge disproportionation CD (Brown, et al) have been discovered in ($TMTTF)_2X$ compounds. A theory of the combined Mott-Hubbard state describes both effects by interference of the build-in nonequivalence of bonds and the spontaneous one of sites. The state gives rise to three types of solitons: $\pi -$ solitons (holons) are observed via the activation energy A in conductivity G; noninteger $\alpha -$ solitons provide the frequency dispersion of the FE response; combined spin-charge solitons determine $G(T)$ below subsequent phase transitions. The optical edge lies well below the conductivity gap 2A; the critical FE mode coexists with a combined electron-phonon resonance and a phonon antiresonance. The CD and the FE can exists hiddenly even in the Se subfamily giving rise to the unexplained yet low frequency optical peak, the enhanced pseudogap and traces of phonons activation.
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8

Wang, Shuhua, Bingchen Han, Xiaomin Lü, Feng Yuan, and Huaisong Zhao. "Doping dependence of unusual electron spectrum in hole-doped cuprate superconductors." Modern Physics Letters B 30, no. 04 (2016): 1650032. http://dx.doi.org/10.1142/s0217984916500329.

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Based on the renormalized Hubbard model, the doping dependence of electron spectrum in cuprate superconductors is discussed within the self-consistent mean field theory. It is shown that the renormalization factor [Formula: see text] (then the quasiparticle coherent weight) increases almost linearly with the doping and plays an important role in the unconventional superconductivity for cuprate superconductors. It suppresses the magnitude of the quasiparticle peak in the electron spectrum, especially in underdoped region. By calculation of the energy and doping dependence of the electron spectral function, the main features of the electron spectrum in cuprate superconductors can be described qualitatively. In particular, with the increasing doping concentration, the position of the quasiparticle peak moves to the Fermi energy and the magnitude of the quasiparticle peak increases monotonically. Our results also show that the superconducting order parameter is determined by product of the renormalization factor and the pseudogap.
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9

Sherman, A. "Properties of the half-filled Hubbard model investigated by the strong coupling diagram technique." International Journal of Modern Physics B 29, no. 14 (2015): 1550088. http://dx.doi.org/10.1142/s0217979215500885.

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The equation for the electron Green's function of the fermionic Hubbard model, derived using the strong coupling diagram technique, is solved self-consistently for the near-neighbor form of the kinetic energy and for half-filling. In this case the Mott transition occurs at the Hubbard repulsion Uc ≈ 6.96t, where t is the hopping constant. The calculated spectral functions, density of states (DOS) and momentum distribution are compared with results of Monte Carlo simulations. A satisfactory agreement was found for U > Uc and for temperatures, at which magnetic ordering and spin correlations are suppressed. For U < Uc and lower temperatures the theory describes qualitatively correctly the positions and widths of spectral continua, variations of spectral shapes and occupation numbers with changing wave vector and repulsion. The locations of spectral maxima turn out to be close to the positions of δ-function peaks in the Hubbard-I approximation.
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10

SONG, YUN. "OPTICAL CONDUCTIVITY AND ORBITAL SUSCEPTIBILITY OF THE TWO-ORBITAL HUBBARD MODEL: EXTENDED LINEARIZED DYNAMICAL MEAN-FIELD THEORY." Modern Physics Letters B 23, no. 19 (2009): 2321–29. http://dx.doi.org/10.1142/s0217984909020485.

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We study the optical conductivity and orbital susceptibility of the two-orbital Hubbard model within the extended linearized dynamical mean-field theory. In the orbital-selective Mott phase (OSMP), the optical conductivity of the wide band presents a non-zero Drude peak, while the optical conductivity of the narrow band drops to zero in the lower energy region. It is shown that the OSMP is constrained by the negative crystal-field splitting, while it can survive in the region with positive crystal-field splitting. We also find that the orbital susceptibility presents a reversion at Fermi surface in the OSMP regime, which implies that orbital ordering can coexist with OSMP in two-orbital systems.
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