Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Space-Time Curvature and the General Theory of Relativity01:17

Space-Time Curvature and the General Theory of Relativity

2.7K
In 1905, Albert Einstein published his special theory of relativity. According to this theory, no matter in the universe can attain a speed greater than the speed of light in a vacuum, which thus serves as the speed limit of the universe.
This has been verified in many experiments. However, space and time are no longer absolute. Two observers moving relative to one another do not agree on the length of objects or the passage of time. The mechanics of objects based on Newton's laws of...
2.7K
Principle of Equivalence01:18

Principle of Equivalence

2.2K
According to Albert Einstein (1897-1955), free-falling and feeling weightless are intrinsically linked. If a person were in free-fall under gravity, for example, diving towards the Earth from an airplane, they would feel completely weightless. Similarly, a person descending in a lift may feel partially weightless. Broadly speaking, it is assumed that an object in a uniform gravitational field and an object undergoing constant acceleration in the absence of gravity are under the same...
2.2K
Schwarzschild Radius and Event Horizon01:21

Schwarzschild Radius and Event Horizon

2.0K
No object with a finite mass can travel faster than the speed of light in a vacuum. This fact has an interesting consequence in the domain of extremely high gravitational fields.
The minimum speed required to launch a projectile from the surface of an object to which it is gravitationally bound so that it eventually escapes the object’s gravitational field is called the escape velocity. The escape velocity is independent of the mass of the object. Merging the idea of escape...
2.0K
The Principle of Superposition and the Gravitational Field01:17

The Principle of Superposition and the Gravitational Field

1.3K
The principle of superposition applies to gravitational forces of objects that are sufficiently far apart. It states that the net gravitational force on a point object is the vector sum of the gravitational forces on it due to various objects. The principle helps calculate the force by listing the individual forces and then vectorially summing them up. However, it should be noted that the principle of superposition is not always apparent. In the presence of a second force, the first force could...
1.3K
Newton's Law of Gravitation01:15

Newton's Law of Gravitation

12.7K
Our everyday observation tells us that all objects close to the Earth naturally tend to fall to the ground. Early philosophers assumed that this downward force was unique to Earth. By the 16th century, Nicolaus Copernicus (1473-1543) put forward the heliocentric theory, which suggested that Earth and other planets orbited the sun, while the Moon orbited the Earth. However, it was Isaac Newton (1642-1727) who linked these two motions together in the 17th century. He reasoned that the force of...
12.7K
Newton's Law of Gravitational Attraction01:24

Newton's Law of Gravitational Attraction

543
Sir Isaac Newton established the universality of the law of gravitational attraction based on empirical evidence and inductive reasoning. He published his work in Philosophiae Naturalis Principia Mathematica ("the Principia") on July 5, 1687.
Newton's law of gravitational attraction is a fundamental law of physics that governs the attraction between objects. It states that the magnitude of the gravitational force between any two objects is proportional to their masses and inversely...
543

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

DNA methylation signature and clinical delineation of PACS1-related disorder in 24 unreported individuals.

European journal of human genetics : EJHG·2026
Same author

Integrative epigenetic and transcriptomic profiling of whole blood and fibroblasts in Hao-Fountain syndrome.

Frontiers in cell and developmental biology·2026
Same author

Developmental and Epileptic Encephalopathy due to Biallelic Pathogenic Variants in PIGM.

Annals of clinical and translational neurology·2026
Same author

Generation of two human induced pluripotent stem cell lines (iPSC) from patients with Hao-Fountain Syndrome.

Stem cell research·2026
Same author

Author Correction: The human ciliopathy protein RSG1 links the CPLANE complex to transition zone architecture.

Nature communications·2026
Same author

Response to Saleem et al.

Genetics in medicine : official journal of the American College of Medical Genetics·2026
Same journal

Erratum: Spectroscopy and Ground-State Transfer of Ultracold Bosonic ^{39}K^{133}Cs Molecules [Phys. Rev. Lett. 135, 203401 (2025)].

Physical review letters·2026
Same journal

Erratum: Lifetime of the ^{2}F_{7/2} Level in Yb^{+} for Spontaneous Emission of Electric Octupole Radiation [Phys. Rev. Lett. 127, 213001 (2021)].

Physical review letters·2026
Same journal

Laser-Plasma Based Seeded Free Electron Laser in the High-Gain Regime.

Physical review letters·2026
Same journal

Parent Hamiltonians for Stabilizer Quantum Many-Body Scars.

Physical review letters·2026
Same journal

Properties of Heavy Cosmic Nuclei Phosphorus, Chlorine, Argon, Potassium, and Calcium: Results from the Alpha Magnetic Spectrometer.

Physical review letters·2026
Same journal

Role of Spin-Isospin Symmetries in Nuclear β-Decays.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: Jun 26, 2025

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.6K

Universal Pattern in Quantum Gravity at Infinite Distance.

Alberto Castellano1, Ignacio Ruiz1, Irene Valenzuela2

  • 1Instituto de Física Teórica UAM-CSIC and Departamento de Física Teórica, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain.

Physical Review Letters
|May 17, 2024
PubMed
Summary
This summary is machine-generated.

Quantum gravity effects manifest at lower cutoffs with many light fields. A universal pattern links field space variations of the quantum gravity cutoff and lightest state mass, refining Swampland criteria for effective field theories.

More Related Videos

Setting Limits on Supersymmetry Using Simplified Models
07:46

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

8.6K
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

21.7K

Related Experiment Videos

Last Updated: Jun 26, 2025

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.6K
Setting Limits on Supersymmetry Using Simplified Models
07:46

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

8.6K
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

21.7K

Area of Science:

  • Theoretical physics
  • Quantum gravity
  • String theory

Background:

  • Quantum gravitational effects can become significant at energy scales much lower than the Planck scale.
  • This occurs in effective field theories with a large number of light fields or at infinite distance in field space.

Purpose of the Study:

  • To present a universal pattern governing the relationship between the quantum gravity cutoff and the lightest states in field space.
  • To refine existing Swampland criteria using this new relationship.

Main Methods:

  • Analysis of the asymptotic variation in field space of the quantum gravity cutoff (Λsp) and the characteristic mass of the lightest tower of states (m).
  • Derivation of a universal formula relating these variations: (∇m/m)·(∇Λsp/Λsp) = 1/(d-2), where d is the spacetime dimension.

Main Results:

  • A precise mathematical relationship has been identified between the variations of the quantum gravity cutoff and the lightest state mass.
  • This relationship holds universally in the context of effective field theories coupled to gravity.

Conclusions:

  • The derived universal pattern provides a powerful tool for constraining effective field theories that can be consistently coupled to quantum gravity.
  • This work refines and quantifies several Swampland criteria, offering new insights into the landscape of string theory and quantum gravity.