Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Molecular Shape and Polarity03:37

Molecular Shape and Polarity

53.0K
Dipole Moment of a Molecule
53.0K
Intermolecular Forces03:13

Intermolecular Forces

62.9K
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen...
62.9K
Electric Dipoles and Dipole Moment01:30

Electric Dipoles and Dipole Moment

6.0K
Consider two charges of equal magnitude but opposite signs. If they cannot be separated by an external electric field, the system is called a permanent dipole. For example, the water molecule is a dipole, making it a good solvent.
Theoretically, studying electric dipoles leads to understanding why the resultant electric forces around us are weak. Since electric forces are strong, remnant net charges are rare. Hence, the interaction between dipoles helps us understand electrical interactions in...
6.0K
Induced Electric Dipoles01:28

Induced Electric Dipoles

4.0K
A permanent electric dipole orients itself along an external electric field. This rotation can be quantified by defining the potential energy because the external torque does work in rotating it. Then, the potential energy is minimum at the parallel configuration and maximum at the antiparallel configuration. While the former is a stable equilibrium, the latter is an unstable equilibrium.
Since the absolute value of potential energy holds no physical meaning, its zero value can be chosen as per...
4.0K
Diamagnetism01:26

Diamagnetism

2.8K
Materials consisting of paired electrons have zero net magnetic moments. However, when these materials are placed under an external magnetic field, the moments opposite to the field are induced. Such materials are called diamagnets. Diamagnetism is the response of the diamagnets when placed in an external magnetic field.
Diamagnetism was discovered by Anton Brugmans in 1778 when he observed that bismuth gets repelled by magnetic fields, thus theorizing that diamagnets get repelled by magnets....
2.8K
Ferromagnetism01:31

Ferromagnetism

2.8K
Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...
2.8K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Feeling in Sync: Reducing the Impact of Network Latency on Joint Rowing.

IEEE transactions on visualization and computer graphics·2026
Same author

Optimizing the Short Dark Triad Scale Using an Ant Colony Optimization Algorithm.

Assessment·2026
Same author

Quasi monolithic fiber collimators.

Applied optics·2026
Same author

Clinical and Angiographic Outcomes Following Percutaneous Treatment of Chronic Totally Occluded Versus Non-Totally Occluded Coronary Vessels.

The Canadian journal of cardiology·2026
Same author

Albumin kinetics, intravascular fluid volume, and respiratory function in pigs ventilated at different levels of mechanical power following crystalloid vs. albumin infusion.

Intensive care medicine experimental·2026
Same author

Idiographic interrater reliability measures for intensive longitudinal multirater data.

The British journal of mathematical and statistical psychology·2025

Video Experimental Relacionado

Updated: May 4, 2026

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids
10:03

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids

Published on: September 30, 2014

27.9K

Fuertes efectos dipolares en un ferrofluido cuántico

Thierry Lahaye1, Tobias Koch, Bernd Fröhlich

  • 15. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany. t.lahaye@physik.uni-stuttgart.de

Nature
|August 10, 2007
PubMed
Resumen
Este resumen es generado por máquina.

Los investigadores crearon un condensado de cromo Bose-Einstein con fuertes interacciones dipolares, observando cambios en la forma y la expansión de la nube atómica. Este trabajo abre las puertas para explorar los ferrofluidos cuánticos y sus propiedades únicas.

Más Videos Relacionados

Scanning SQUID Study of Vortex Manipulation by Local Contact
06:53

Scanning SQUID Study of Vortex Manipulation by Local Contact

Published on: February 1, 2017

6.5K
Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals
07:03

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Published on: August 15, 2018

8.0K

Videos de Experimentos Relacionados

Last Updated: May 4, 2026

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids
10:03

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids

Published on: September 30, 2014

27.9K
Scanning SQUID Study of Vortex Manipulation by Local Contact
06:53

Scanning SQUID Study of Vortex Manipulation by Local Contact

Published on: February 1, 2017

6.5K
Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals
07:03

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Published on: August 15, 2018

8.0K

Área de la Ciencia:

  • La física cuántica es la física cuántica.
  • Física de la materia condensada Física de la materia condensada Física de la materia condensada Física de la materia condensada Física de la materia condensada
  • La física atómica es la física atómica.

Sus antecedentes:

  • Las interacciones que rompen la simetría son fundamentales en diversos sistemas físicos.
  • Las interacciones dipolares en gases cuánticos prometen nuevos fenómenos y aplicaciones.
  • Investigaciones anteriores predijeron nuevas fases cuánticas y capacidades de procesamiento de información cuántica.

Objetivo del estudio:

  • Para lograr un condensado Bose-Einstein con interacciones dipolares significativas.
  • Para investigar la influencia de las interacciones anisotrópicas dipolo-dipolo en la dinámica cuántica de los gases.
  • Explorar el potencial para la creación de ferrofluidos cuánticos.

Principales métodos:

  • Utilizó una resonancia de Feshbach para afinar las interacciones en un condensado de cromo Bose-Einstein.
  • Interacciones de contacto isotrópicas reducidas para mejorar el efecto de las interacciones anisotrópicas magnéticas dipolo-dipolo.
  • Empleó ecuaciones hidrodinámicas de superfluidos, incorporando términos dipolares, para modelar la dinámica de los gases.

Principales resultados:

  • Se creó con éxito un condensado de cromo Bose-Einstein con fuertes interacciones dipolares.
  • Cambios observados en la relación de aspecto de la nube atómica debido a las fuerzas dipolares.
  • Demostró la supresión de la inversión típica de la elipticidad durante la expansión para las interacciones dipolares fuertes.

Conclusiones:

  • Las interacciones dipolares alteran significativamente la dinámica de los condensados de Bose-Einstein.
  • Los resultados experimentales se alinean con los modelos teóricos que incluyen términos dipolares en ecuaciones hidrodinámicas.
  • Esta realización es un paso fundamental hacia la exploración de los ferrofluidos cuánticos.