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

Second-Order Circuits01:17

Second-Order Circuits

Integrating two fundamental energy storage elements in electrical circuits results in second-order circuits, encompassing RLC circuits and circuits with dual capacitors or inductors (RC and RL circuits). Second-order circuits are identified by second-order differential equations that link input and output signals.
Input signals typically originate from voltage or current sources, with the output often representing voltage across the capacitor and/or current through the inductor. For example, in...
First-Order Circuits01:15

First-Order Circuits

First-order electrical circuits, which comprise resistors and a single energy storage element - either a capacitor or an inductor, are fundamental to many electronic systems. These circuits are governed by a first-order differential equation that describes the relationship between input and output signals.
One common example of a first-order circuit is the RC (resistor-capacitor) circuit. These circuits are used in relaxation oscillators such as neon lamp oscillator circuits. When voltage is...
RL Circuits01:14

RL Circuits

An RL circuit consists of a resistor and an inductor and may have a source of emf connected to it. The inductor in the circuit helps to prevent rapid changes in current, which can be helpful if a steady current is required but the external source has a fluctuating emf. Consider an open RL circuit connected to a source of constant emf. As soon as the circuit is closed, the current begins to increase at a rate that depends only on the value of the inductance in the circuit. The greater the...
Circuit Terminology01:14

Circuit Terminology

An electrical network is a system composed of interconnected elements, such as resistors, capacitors, inductors, and voltage or current sources. Unlike a circuit, an electrical network does not necessarily form a closed path. In other words, while all circuits can be considered networks due to their interconnected nature, not every network qualifies as a circuit.
A circuit, on the other hand, is also an interconnected system of electrical elements but must contain one or more closed paths.
Norton Equivalent Circuits01:16

Norton Equivalent Circuits

Norton's theorem is a fundamental concept in the field of electrical engineering that allows for the simplification of complex AC circuits. The theorem states that any two-terminal linear network can be replaced with an equivalent circuit that consists of an impedance, which is parallel with a constant current source. Figure 1 shows the AC circuit portioned into two parts: Circuit A and Circuit B, while Figure 2 depicts the circuit obtained by replacing Circuit A by its Norton equivalent...
The Y-to-Y Circuit01:19

The Y-to-Y Circuit

In a balanced four-wire wye-to-wye system, the arrangement involves wye-connected sinusoidal voltage sources and loads, connected through a neutral wire that links the neutral nodes of the source and load. The load impedance is connected across each phase of the load. The wye-connected source can be connected to the wye-connected load in four-wire and three-wire arrangements. A three-phase system is considered balanced when the load on each phase is equal, leading to uniform current flow and...

You might also read

Related Articles

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

Sort by
Same author

Analogue simulation of quantum gravity black hole models in a dc-SQUID array.

Scientific reports·2025
Same author

Digital quantum simulation of cosmological particle creation with IBM quantum computers.

Scientific reports·2025
Same author

No Black Holes from Light.

Physical review letters·2024
Same author

Experimental Activation of Strong Local Passive States with Quantum Information.

Physical review letters·2023
Same author

Fundamental Limitations to Local Energy Extraction in Quantum Systems.

Physical review letters·2019
Same author

Unruh Effect without Thermality.

Physical review letters·2019
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: May 19, 2026

Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

Extracting past-future vacuum correlations using circuit QED.

Carlos Sabín1, Borja Peropadre, Marco del Rey

  • 1Instituto de Física Fundamental, CSIC, Serrano 113-B, 28006 Madrid, Spain. csl@iff.csic.es

Physical Review Letters
|August 7, 2012
PubMed
Summary
This summary is machine-generated.

We demonstrate a circuit quantum electrodynamics (cQED) experiment to extract vacuum entanglement between two superconducting qubits. This method transfers quantum correlations to qubits even without simultaneous interaction, showing potential for quantum memory.

Related Experiment Videos

Last Updated: May 19, 2026

Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

Area of Science:

  • Quantum Information Science
  • Quantum Optics
  • Condensed Matter Physics

Background:

  • Entanglement is a key resource in quantum information.
  • Extracting entanglement from the quantum vacuum is a fundamental challenge.
  • Circuit Quantum Electrodynamics (cQED) offers a platform for studying quantum phenomena.

Purpose of the Study:

  • To propose and analyze a realistic experiment for extracting past-future vacuum entanglement.
  • To demonstrate the transfer of quantum correlations to superconducting qubits.
  • To explore the potential of this method for quantum memory applications.

Main Methods:

  • Utilizing a circuit QED architecture with two superconducting qubits (P and F).
  • Implementing a sequential interaction protocol with a quantum field via an open transmission line.
  • Symmetric interaction times T(on) and a time-lapse T(off) between qubit interactions.

Main Results:

  • Theoretical demonstration of past-future vacuum entanglement extraction.
  • Quantum correlations are transferred to the qubits irrespective of their simultaneous presence.
  • The proposed experiment is feasible with current superconducting qubit technology.

Conclusions:

  • The proposed cQED experiment provides a viable method for accessing vacuum entanglement.
  • This technique offers a novel approach to implementing quantum memory.
  • The findings pave the way for future experiments on non-local quantum correlations.