Video Experimental Relacionado
Updated: Jan 23, 2026

07:42
A Simple Flight Mill for the Study of Tethered Flight in Insects
Published on: December 10, 2015
17.8K
Para atrapar y revertir un salto cuántico en pleno vuelo
Z K Minev1,2, S O Mundhada3, S Shankar3
1Department of Applied Physics, Yale University, New Haven, CT, USA. zlatko.minev@aya.yale.edu.
Nature
|June 5, 2019
Resumen
Los investigadores ahora pueden predecir y controlar saltos cuánticos en átomos superconductores. Al monitorear un nivel de energía auxiliar, pueden rastrear el salto
Área de la Ciencia:
- Física Cuántica
- Física atómica
- La óptica cuántica
Sus antecedentes:
- Las mediciones cuánticas producen resultados discretos y aleatorios, ejemplificados por saltos cuánticos entre niveles de energía atómica.
- Los saltos cuánticos se observaron experimentalmente en iones atómicos bajo condiciones de medición específicas.
- El momento de los saltos cuánticos ha sido considerado fundamentalmente impredecible.
Objetivo del estudio:
- Investigar si los saltos cuánticos, a pesar de su naturaleza no determinista, pueden predecirse.
- Para demostrar experimentalmente la posibilidad de rastrear e intervenir en saltos cuánticos.
- Para explorar técnicas de control en tiempo real para sistemas cuánticos.
Principales métodos:
- Seguimiento experimental de saltos cuánticos en un átomo superconductor artificial de tres niveles.
- Monitoreo de la población de un nivel de energía auxiliar acoplado al estado fundamental.
- Utilizando monitoreo y retroalimentación en tiempo real para intervenir en saltos cuánticos a mitad de vuelo.
Principales resultados:
- Demostró que los saltos cuánticos siguen una trayectoria de 'vuelo' predecible.
- Demostró que la evolución de los saltos cuánticos completados es continua, coherente y determinista.
- Capturó y revirtió con éxito saltos cuánticos a mitad de vuelo usando retroalimentación en tiempo real.
Conclusiones:
- Los saltos cuánticos se pueden predecir y controlar en tiempo real.
- Los hallazgos apoyan la teoría de la trayectoria cuántica moderna y sus predicciones.
- Abre nuevas vías para la intervención en tiempo real en sistemas cuánticos, incluida la corrección de errores cuánticos.
Más Videos Relacionados
Videos de Conceptos Relacionados
Quantum Numbers
49.5K
It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
49.5K
Hydraulic Jump: Problem Solving
510
To analyze a hydraulic jump in a rectangular channel with a flow speed of 6 meters per second, follow these steps:Calculate Effective Upstream Velocity:When the downstream gate closes, a hydraulic jump forms, traveling upstream at 2 meters per second. This wave speed combines with the initial channel flow velocity, creating an effective upstream velocity.Identify Flow Velocities Before and After the Hydraulic Jump:Upstream of the hydraulic jump, the effective flow velocity includes both the...
510
Hydraulic Jump
657
A hydraulic jump is a sudden rise in fluid depth in open channels, occurring when high-velocity (supercritical) flow transitions to low-velocity (subcritical) flow. This phenomenon requires an upstream Froude number greater than 1, as flows with Fr1<1 remain subcritical, making a hydraulic jump impossible due to the need for negative head loss, which violates thermodynamic principles.The characteristics of a hydraulic jump depend on the upstream Froude number and are classified as...
657
The Quantum-Mechanical Model of an Atom
56.8K
Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
56.8K
Diode: Reverse bias
1.9K
A diode is reverse-biased when the positive terminal of an external voltage source is connected to the n-type material and the negative terminal to the p-type material. This configuration opposes the natural direction of current flow through the diode, effectively increasing the width of the depletion region and the barrier potential. The reverse bias condition produces a minimal leakage current, primarily due to minority charge carriers. This leakage becomes significant when the reverse...
1.9K
Reversible and Irreversible Processes
5.6K
The thermodynamic processes can be classified into reversible and irreversible processes. The processes that can be restored to their initial state are called reversible processes. It is only possible if the process is in quasi-static equilibrium, i.e., it takes place in infinitesimally small steps, and the system remains at equilibrium However, these are ideal processes and do not occur naturally. An ideal system undergoing a reversible process is always in thermodynamic equilibrium within...
5.6K

