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

Deactivation Processes: Jablonski Diagram01:25

Deactivation Processes: Jablonski Diagram

669
Luminescence, the emission of light by a substance that has absorbed energy, is a process that involves the interaction of molecules with light. The energy-level diagram, or Jablonski diagram, is a graphical representation of these interactions, illustrating the various states and transitions a molecule can undergo. In a typical Jablonski diagram, the lowest horizontal line represents the ground-state energy of the molecule, which is usually a singlet state. This state represents the energies...
669
RC Circuit without Source01:16

RC Circuit without Source

1.1K
When a DC source is abruptly disconnected from an RC (Resistor-Capacitor) circuit, the circuit becomes source-free. Assuming that the capacitor was fully charged before the source was removed, its initial voltage, denoted as V0, can be considered as the initial energy that stimulates the circuit.
Applying Kirchhoff's current law at the top node of the circuit and substituting the current values across the components, a first-order differential equation is obtained. By rearranging the terms...
1.1K
Series R—L Circuit Transients01:22

Series R—L Circuit Transients

102
In a series resistor-inductor (R-L) circuit, closing the switch at the start of the time period simulates a three-phase short circuit, a fault condition where all three phases of an unloaded synchronous machine are short-circuited. When there is no fault impedance and no initial current, the initial voltage is determined by the phase angle of the source voltage.
Using Kirchhoff's Voltage Law (KVL) to analyze this circuit helps determine the total asymmetrical fault current, which consists...
102
Atomic Nuclei: Nuclear Relaxation Processes01:23

Atomic Nuclei: Nuclear Relaxation Processes

657
In the absence of an external magnetic field, nuclear spin states are degenerate and randomly oriented. When a magnetic field is applied, the spins begin to precess and orient themselves along (lower energy) or against (higher energy) the direction of the field. At equilibrium, a slight excess population of spins exists in the lower energy state. Because the direction of the magnetic field is fixed as the z-axis,  the precessing magnetic moments are randomly oriented around the z-axis.
657
Generating Electromagnetic Radiations01:10

Generating Electromagnetic Radiations

2.9K
The German physicist Heinrich Hertz (1857–1894) was the first to generate and detect certain types of electromagnetic waves in the laboratory. Starting in 1887, he performed a series of experiments that confirmed the existence of electromagnetic waves and verified that they travel at the speed of light. Hertz used an alternating-current RLC (resistor-inductor-capacitor) circuit that resonated at a known frequency and connected it to a loop of wire. High voltages induced across the gap in...
2.9K
First-Order Circuits01:15

First-Order Circuits

1.4K
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...
1.4K

You might also read

Related Articles

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

Sort by
Same author

Mixed-State Topological Order and the Errorfield Double Formulation of Decoherence-Induced Transitions.

Physical review letters·2026
Same author

Quantum Impurity Sensing of Altermagnetic Order.

Physical review letters·2026
Same author

Nanoscale Observation and Control of Quasiparticle Induced Magnetic Noise in a Superconducting Resonator.

Physical review letters·2026
Same author

Prethermalization of Light and Matter in Cavity-Coupled Rydberg Arrays.

Physical review letters·2025
Same author

Dissipative realization of Kondo models.

Communications physics·2025
Same author

Efficient Detection of Strong-to-Weak Spontaneous Symmetry Breaking via the Rényi-1 Correlator.

Physical review letters·2025
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: Jul 8, 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

9.7K

Scrambling Transition in a Radiative Random Unitary Circuit.

Zack Weinstein1, Shane P Kelly2, Jamir Marino2

  • 1Department of Physics, University of California, Berkeley, California 94720, USA.

Physical Review Letters
|December 15, 2023
PubMed
Summary
This summary is machine-generated.

Quantum information scrambling and its spread into the environment are studied. A phase transition is found, impacting information decoding from radiated qubits.

More Related Videos

Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

12.9K
Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity
11:30

Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity

Published on: March 6, 2017

11.7K

Related Experiment Videos

Last Updated: Jul 8, 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

9.7K
Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

12.9K
Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity
11:30

Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity

Published on: March 6, 2017

11.7K

Area of Science:

  • Quantum Information Science
  • Condensed Matter Physics
  • Quantum Computing

Background:

  • Quantum information scrambling describes how quantum information spreads within a quantum system.
  • Understanding information dynamics in open quantum systems is crucial for quantum technologies.
  • Random unitary circuits provide a model for studying complex quantum dynamics.

Purpose of the Study:

  • To investigate quantum information scrambling in a random unitary circuit with environmental interaction.
  • To identify and characterize a nonequilibrium phase transition in quantum information dynamics.
  • To explore the information-theoretic consequences of scrambling and the phase transition on information retrieval.

Main Methods:

  • Utilizing the out-of-time-order correlator (OTOC) to quantify quantum scrambling.
  • Analyzing a random unitary circuit model with tunable qubit-environment exchange rate (p).
  • Developing and applying a decoding scheme to assess information recovery from radiated qubits.

Main Results:

  • A nonequilibrium phase transition in the directed percolation universality class at a critical swap rate (p_c).
  • Ballistic growth of the OTOC for p < p_c, indicating system-internal scrambling.
  • Uniform vanishing of the OTOC for p > p_c, signifying information transfer to the environment.
  • Coincident transition in operator spreading and the ability to decode initial quantum information from radiated qubits.
  • Observation of an entanglement transition in coherent information based on the initial state of swapped-in qubits.

Conclusions:

  • The study reveals a critical transition in quantum information scrambling behavior.
  • This transition directly affects the recoverability of initial quantum information from the environment.
  • The findings have implications for understanding information flow in open quantum systems and quantum information processing.