scholarly journals How Can Non-Relativistic Projectile Motion Remain So in the Relativistic Limit?

2014 ◽  
Vol 6 (4) ◽  
Author(s):  
Masoud Asadi-Zeydabadi ◽  
Alberto C Sadun
Keyword(s):  
Relativistic Limit ◽  
Projectile Motion

Equations of Projectile Motion in a Flexible Gun Tube

1983 ◽  
Author(s):  
Martin T. Soifer ◽  
Robert S. Becker
Keyword(s):  
Projectile Motion

scholarly journals Three-dimensional Maxwellian extended Newtonian gravity and flat limit

2020 ◽  
Vol 2020 (10) ◽  
Author(s):  
Patrick Concha ◽  
Lucrezia Ravera ◽  
Evelyn Rodríguez ◽  
Gustavo Rubio
Keyword(s):  
Cosmological Constant ◽  
Three Dimensional ◽  
Expansion Method ◽  
Gravity Models ◽  
Newtonian Gravity ◽  
Newtonian Theory ◽  
Relativistic Limit ◽  
Expansion Procedure ◽  
Three Space ◽  
Chern Simons

Abstract In the present work we find novel Newtonian gravity models in three space-time dimensions. We first present a Maxwellian version of the extended Newtonian gravity, which is obtained as the non-relativistic limit of a particular U(1)-enlargement of an enhanced Maxwell Chern-Simons gravity. We show that the extended Newtonian gravity appears as a particular sub-case. Then, the introduction of a cosmological constant to the Maxwellian extended Newtonian theory is also explored. To this purpose, we consider the non-relativistic limit of an enlarged symmetry. An alternative method to obtain our results is presented by applying the semigroup expansion method to the enhanced Nappi-Witten algebra. The advantages of considering the Lie algebra expansion procedure is also discussed.

scholarly journals Constructing Carrollian CFTs

2021 ◽  
Vol 2021 (3) ◽  
Author(s):  
Nishant Gupta ◽  
Nemani V. Suryanarayana
Keyword(s):  
Scalar Fields ◽  
Higher Dimensions ◽  
Field Theories ◽  
Conformal Field Theories ◽  
Relativistic Limit ◽  
Conformal Field ◽  
Local Symmetries ◽  
Derivatives Of ◽  
Special Case

Abstract We construct classical theories for scalar fields in arbitrary Carroll spacetimes that are invariant under Carrollian diffeomorphisms and Weyl transformations. When the local symmetries are gauge fixed these theories become Carrollian conformal field theories. We show that generically there are at least two types of such theories: one in which only time derivatives of the fields appear and the other in which both space and time derivatives appear. A classification of such scalar field theories in three (and higher) dimensions up to two derivative order is provided. We show that only a special case of our theories arises in the ultra-relativistic limit of a covariant parent theory.

scholarly journals Stimulating Mechanistic Reasoning in Physics Using Student-Constructed Stop-Motion Animations

2021 ◽  
Author(s):  
Rayendra Wahyu Bachtiar ◽  
Ralph F. G. Meulenbroeks ◽  
Wouter R. van Joolingen
Keyword(s):  
Conceptual Understanding ◽  
Physical Phenomenon ◽  
Ninth Grade ◽  
Abstract Concepts ◽  
Projectile Motion ◽  
Mechanistic Reasoning ◽  
Stop Motion ◽  
Ninth Grade Students ◽  
Scientific Phenomena

AbstractThis article reports on a case study that aims to help students develop mechanistic reasoning through constructing a model based stop-motion animation of a physical phenomenon. Mechanistic reasoning is a valuable thinking strategy for students in trying to make sense of scientific phenomena. Ten ninth-grade students used stop-motion software to create an animation of projectile motion. Retrospective think-aloud interviews were conducted to investigate how the construction of a stop-motion animation induced the students’ mechanistic reasoning. Mechanistic reasoning did occur while the students engaged in creating the animation, in particular chunking and sequencing. Moreover, all students eventually exhibited mechanistic reasoning including abstract concepts, e.g., not directly observable agents. Students who reached the highest level of mechanistic reasoning, i.e., chaining, demonstrated deeper conceptual understanding of content.

Laboratory Problem in Projectile Motion

1961 ◽  
Vol 29 (8) ◽  
pp. 547-548
Author(s):  
Allen L. King
Keyword(s):  
Projectile Motion

Resonances of the Dirac Hamiltonian in the Non Relativistic Limit

2001 ◽  
Vol 2 (3) ◽  
pp. 583-603 ◽  
Author(s):  
L. Amour ◽  
R. Brummelhuis ◽  
J. Nourrigat
Keyword(s):  
Relativistic Limit ◽  
Dirac Hamiltonian

Impact of partially thermal electrons on the propagation characteristics of extraordinary mode in relativistic regime

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Syeda Noureen
Keyword(s):  
Magnetic Field ◽  
Maxwell Equations ◽  
Relativistic Quantum ◽  
The Novel ◽  
Propagation Characteristics ◽  
Relativistic Limit ◽  
Long Wavelength ◽  
Relativistic Regime ◽  
Dirac Distribution ◽  
Relativistic Fermi

Abstract On employing linearized Vlasov–Maxwell equations the solution of relativistic electromagnetic extraordinary mode is investigated for the wave propagating perpendicular to a uniform ambient magnetic field (in the presence of arbitrary magnetic field limit i.e., ω > Ω > k.v) in partially degenerate (i.e., for T F ≥ T and T ≠ 0) electron plasma under long wavelength limit (ω ≫ k.v). Due to the inclusion of weak quantum degeneracy the relativistic Fermi–Dirac distribution function is expanded under the relativistic limit ( m 0 2 c 2 2 p 2 < 1 $\frac{{m}_{0}^{2}{c}^{2}}{2{p}^{2}}{< }1$ ) to perform momentum integrations which generate the Polylog functions. The propagation characteristics and shifting of cutoff points of the extraordinary mode are examined in different relativistic density and magnetic field ranges. The novel graphical results of extraordinary mode in relativistic quantum partially degenerate (for μ T = 0 $\frac{\mu }{T}=0$ ), nondegenerate (for μ T ≈ − 1 $\frac{\mu }{T}\approx -1$ ) and fully/completely degenerate (for μ T ≈ $\frac{\mu }{T}\approx $ 1) environments are obtained and the previously reported results are retraced as well.

Sign in / Sign up

Export Citation Format

Share Document