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

Entropy02:39

Entropy

34.7K
Salt particles that have dissolved in water never spontaneously come back together in solution to reform solid particles. Moreover, a gas that has expanded in a vacuum remains dispersed and never spontaneously reassembles. The unidirectional nature of these phenomena is the result of a thermodynamic state function called entropy (S). Entropy is the measure of the extent to which the energy is dispersed throughout a system, or in other words, it is proportional to the degree of disorder of a...
34.7K
Entropy01:18

Entropy

3.4K
The first law of thermodynamics is quantitatively formulated via an equation relating the internal energy of a system, the heat exchanged by it, and the work done on it. A quantitative formulation of the second law of thermodynamics leads to defining a state function, the entropy.
When an ideal gas expands isothermally, the disorder in the gas increases. From the molecular perspective, the gas molecules have more volume to move around in.
Consider an infinitesimal step in the expansion, which...
3.4K
Entropy Change in Reversible Processes01:10

Entropy Change in Reversible Processes

3.2K
In the Carnot engine, which achieves the maximum efficiency between two reservoirs of fixed temperatures, the total change in entropy is zero. The observation can be generalized by considering any reversible cyclic process consisting of many Carnot cycles. Thus, it can be stated that the total entropy change of any ideal reversible cycle is zero.
The statement can be further generalized to prove that entropy is a state function. Take a cyclic process between any two points on a p-V diagram.
3.2K
Entropy and the Second Law of Thermodynamics01:20

Entropy and the Second Law of Thermodynamics

4.7K
The second law of thermodynamics can be stated quantitatively using the concept of entropy. Entropy is the measure of disorder of the system.
The relation  between entropy and disorder can be illustrated with the example of the phase change of ice to water. In ice, the molecules are located at specific sites giving a solid state, whereas, in a liquid form, these molecules are much freer to move. The molecular arrangement has therefore become more randomized. Although the change in average...
4.7K
The Uncertainty Principle04:08

The Uncertainty Principle

31.2K
Werner Heisenberg considered the limits of how accurately one can measure properties of an electron or other microscopic particles. He determined that there is a fundamental limit to how accurately one can measure both a particle’s position and its momentum simultaneously. The more accurate the measurement of the momentum of a particle is known, the less accurate the position at that time is known and vice versa. This is what is now called the Heisenberg uncertainty principle. He...
31.2K
Reduced Mass Coordinates: Isolated Two-body Problem01:12

Reduced Mass Coordinates: Isolated Two-body Problem

2.3K
In classical mechanics, the two-body problem is one of the fundamental problems describing the motion of two interacting bodies under gravity or any other central force. When considering the motion of two bodies, one of the most important concepts is the reduced mass coordinates, a quantity that allows the two-body problem to be solved like a single-body problem. In these circumstances, it is assumed that a single body with reduced mass revolves around another body fixed in a position with an...
2.3K

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Sampling Quantum States with Inequality Constraints.

Entropy (Basel, Switzerland)·2026
Same author

PKCα-mediated nuclear translocation of cGAS stabilizes β-catenin and drives metastasis.

Molecular cell·2026
Same author

Cell-Laden Gel Biomimetic Skin Promotes Full-Thickness Skin Wound Regeneration.

Gels (Basel, Switzerland)·2026
Same author

Glucagon-like peptide-1 receptor agonist in large vessel occlusion treated by reperfusion therapy-a phase 2 randomized trial.

Nature communications·2025
Same author

Z-scheme ZnFe<sub>2</sub>O<sub>4</sub>/MoO<sub>3</sub> composite as efficient peroxymonosulfate activator under visible light for enrofloxacin degradation.

Environmental research·2025
Same author

Sulfur-directed singlet oxygen activation by Fe<sub>3</sub>O<sub>4</sub>/biochar for enhanced antibiotic mineralization.

Environmental research·2025

Video Experimental Relacionado

Updated: Jan 7, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

8.9K

Medidas de Entrelazamiento Multipartito: Una Revisión

Mengru Ma1, Yinfei Li1, Jiangwei Shang1

  • 1Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement of Ministry of Education, School of Physics, Beijing Institute of Technology, Beijing 100081, China.

Fundamental research
|December 30, 2025
PubMed
Resumen

Esta revisión explora las medidas de entrelazamiento multipartito, cruciales para tareas de ciencia de la información cuántica como la teletransportación. Aclara los significados genuinos y operativos para guiar la investigación futura en la caracterización de sistemas cuánticos complejos.

Palabras clave:
Medidas de entrelazamientoEntrelazamiento multipartitoMedidas operativas de entrelazamientoEntrelazamiento cuánticoInformación cuántica

Más Videos Relacionados

Molecular Entanglement and Electrospinnability of Biopolymers
07:59

Molecular Entanglement and Electrospinnability of Biopolymers

Published on: September 3, 2014

15.0K
Author Spotlight: Evaluation of Protein-Condensate Dynamics in Live Human Cells
06:48

Author Spotlight: Evaluation of Protein-Condensate Dynamics in Live Human Cells

Published on: January 5, 2024

5.1K

Videos de Experimentos Relacionados

Last Updated: Jan 7, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

8.9K
Molecular Entanglement and Electrospinnability of Biopolymers
07:59

Molecular Entanglement and Electrospinnability of Biopolymers

Published on: September 3, 2014

15.0K
Author Spotlight: Evaluation of Protein-Condensate Dynamics in Live Human Cells
06:48

Author Spotlight: Evaluation of Protein-Condensate Dynamics in Live Human Cells

Published on: January 5, 2024

5.1K

Área de la Ciencia:

  • Ciencia de la Información Cuántica
  • Mecánica Cuántica
  • Física Teórica

Sus antecedentes:

  • El entrelazamiento cuántico es una piedra angular de la mecánica cuántica.
  • El entrelazamiento multipartito es vital para tareas de procesamiento de información cuántica, incluida la teletransportación cuántica y la codificación densa.
  • La comprensión del entrelazamiento multipartito es clave para avanzar en las tecnologías cuánticas.

Objetivo del estudio:

  • Revisar la teoría de las medidas de entrelazamiento multipartito.
  • Centrarse en los significados genuinos y operativos de estas medidas.
  • Proporcionar ideas que inspiren enfoques novedosos para caracterizar el entrelazamiento multipartito.

Principales métodos:

  • Revisión teórica de la literatura existente sobre medidas de entrelazamiento multipartito.
  • Análisis de las interpretaciones genuinas y operativas de las medidas de entrelazamiento.
  • Síntesis de la comprensión actual para identificar lagunas de investigación y direcciones futuras.

Principales resultados:

  • Una visión general completa de los marcos teóricos para las medidas de entrelazamiento multipartito.
  • Aclaración de los distintos conceptos de entrelazamiento genuino y operativo.
  • Identificación de desafíos y oportunidades clave en el campo.

Conclusiones:

  • Las medidas de entrelazamiento multipartito son esenciales para el procesamiento de información cuántica.
  • Se necesita más investigación para desarrollar y refinar métodos para caracterizar el entrelazamiento cuántico complejo.
  • Esta revisión tiene como objetivo estimular la innovación en el campo de la ciencia de la información cuántica.