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

Radioactive Decay and Radiometric Dating02:48

Radioactive Decay and Radiometric Dating

36.9K
Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay simultaneously. The number of disintegrations per unit time is called the activity (A), which is directly proportional to the number of nuclei in the sample. The decay constant (λ) is an average probability of decay per nucleus in unit time.
36.9K
SFG Algebra01:16

SFG Algebra

323
In Signal Flow Graph (SFG) algebra, the value a node represents is determined by the sum of all signals entering that node. This summed value is then transmitted through every branch leaving the node, making the SFG a powerful tool for visualizing and analyzing control systems.
Each node in an SFG corresponds to a variable, and the interactions between nodes are represented by branches with associated gains. When multiple branches lead into a node, the value at that node is the sum of the...
323
Nonsense-mediated mRNA Decay02:27

Nonsense-mediated mRNA Decay

11.7K
The Upf proteins that carry out nonsense-mediated decay (NMD) are found in all eukaryotic organisms, including humans. Each protein has an individual role, but they need to work in collaboration. Upf1 is an ATP-dependent RNA helicase that unwinds the RNA helix. Because Upf1 can unwind any RNA, Upf2 and Upf3 are required to help Upf1 discriminate between nonsense and normal mRNAs.
Usually, Upf3 binds to an Exon Junction Complex (EJC) at mRNA splice sites. If a ribosome fully translates the mRNA,...
11.7K
Nonsense-mediated mRNA Decay02:27

Nonsense-mediated mRNA Decay

3.3K
No description available
3.3K
Interference and Decay01:16

Interference and Decay

433
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
433
Vector Algebra: Graphical Method01:10

Vector Algebra: Graphical Method

17.0K
Vectors can be multiplied by scalars, added to other vectors, or subtracted from other vectors. The vector sum of two (or more) vectors is called the resultant vector or, for short, the resultant.
We use the laws of geometry to construct resultant vectors, followed by trigonometry to find vector magnitudes and directions. For a geometric construction of the sum of two vectors in a plane, we follow the parallelogram rule. Suppose two vectors are at arbitrary positions. Translate either one of...
17.0K

You might also read

Related Articles

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

Sort by
Same author

Microwave graph analogs for the voltage drop in three-terminal devices with orthogonal, unitary, and symplectic symmetry.

Physical review. E·2022
Same author

Microwave Realization of the Chiral Orthogonal, Unitary, and Symplectic Ensembles.

Physical review letters·2020
Same author

Spectra and spectral correlations of microwave graphs with symplectic symmetry.

Physical review. E·2018
Same author

Microwave Realization of the Gaussian Symplectic Ensemble.

Physical review letters·2016
Same author

Microwave experiments in the realm of fidelity.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2016
Same author

Lossy chaotic electromagnetic reverberation chambers: Universal statistical behavior of the vectorial field.

Physical review. E·2016

Related Experiment Video

Updated: Jan 23, 2026

Utilizing Time-Resolved Protein-Induced Fluorescence Enhancement to Identify Stable Local Conformations One α-Synuclein Monomer at a Time
07:56

Utilizing Time-Resolved Protein-Induced Fluorescence Enhancement to Identify Stable Local Conformations One α-Synuclein Monomer at a Time

Published on: May 30, 2021

3.6K

Algebraic fidelity decay for local perturbations.

R Höhmann1, U Kuhl, H-J Stöckmann

  • 1Fachbereich Physik, Philipps-Universität Marburg, Renthof 5, D-35032 Marburg, Germany.

Physical Review Letters
|June 4, 2008
PubMed
Summary

This study investigates fidelity decay in microwave billiards with random scatterers. Local perturbations from scatterer shifts cause an algebraic decay, matching experimental results.

Area of Science:

  • Quantum chaos
  • Wave scattering in complex systems

Background:

  • Fidelity decay in quantum systems is crucial for understanding their dynamics.
  • Microwave billiards with scatterers provide a platform to study wave phenomena.

Purpose of the Study:

  • To analyze fidelity decay in a rectangular microwave billiard with randomly distributed scatterers.
  • To investigate the effect of local perturbations, specifically scatterer position shifts, on wave function fidelity.

Main Methods:

  • Reflection measurements in a rectangular microwave billiard.
  • Perturbation analysis using scatterer position as the parameter.
  • Application of the random-plane-wave conjecture for theoretical modeling.

Main Results:

More Related Videos

Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method
07:38

Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method

Published on: April 18, 2019

34.2K
Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
15:58

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

6.1K

Related Experiment Videos

Last Updated: Jan 23, 2026

Utilizing Time-Resolved Protein-Induced Fluorescence Enhancement to Identify Stable Local Conformations One α-Synuclein Monomer at a Time
07:56

Utilizing Time-Resolved Protein-Induced Fluorescence Enhancement to Identify Stable Local Conformations One α-Synuclein Monomer at a Time

Published on: May 30, 2021

3.6K
Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method
07:38

Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method

Published on: April 18, 2019

34.2K
Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
15:58

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

6.1K
  • An analytic expression for fidelity decay due to scatterer shifts was derived.
  • An algebraic 1/t decay for fidelity was predicted for long times.
  • Excellent agreement between experimental data and theoretical predictions was observed, including scaling behavior.

    • Conclusions:

    • Local perturbations from scatterer shifts lead to predictable fidelity decay.
    • The random-plane-wave conjecture accurately describes fidelity decay in this system.
    • Experimental validation confirms the theoretical model and its predictions.