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

Fermi Level01:18

Fermi Level

1.9K
The Fermi-Dirac function is represented by an S-shaped curve indicating the probability of an energy state being occupied by an electron at a given temperature. The Fermi level is the energy level at which there is a fifty percent chance of finding an electron, and it is positioned between the lower-energy valence band and the higher-energy conduction band.
At absolute zero temperature, electrons fill all energy states up to the Fermi level, leaving upper states empty. As the temperature rises,...
1.9K
Mixtures of Acids03:27

Mixtures of Acids

21.9K
The pH of a solution containing an acid can be determined using its acid dissociation constant and its initial concentration. If a solution contains two different acids, then its pH can be determined using one of several methods depending upon the relative strength of the acids and their dissociation constants.
A Mixture of a Strong Acid and a Weak Acid
In a mixture of a strong acid and a weak acid, the strong acid dissociates completely and becomes a source of almost all the hydronium ions...
21.9K
Mixtures of Acids01:19

Mixtures of Acids

1.1K
The pH of a solution containing an acid can be determined using its acid dissociation constant and initial concentration. If a solution contains two different acids, then its pH can be determined using one of several methods depending on the relative strength of the acids and their dissociation constants.
In a strong and weak acid mixture, the strong acid dissociates completely and becomes a source of almost all the hydronium ions present in the solution. In contrast, the weak acid shows...
1.1K
Fermi Level Dynamics01:12

Fermi Level Dynamics

738
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
738
Protein-protein Interfaces02:04

Protein-protein Interfaces

14.8K
Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
14.8K
Protein-Protein Interfaces02:04

Protein-Protein Interfaces

4.5K
4.5K

You might also read

Related Articles

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

Sort by
Same author

Treatment of proximal and middle one-third humeral fractures with lateral distal tibial helical plate.

European journal of orthopaedic surgery & traumatology : orthopedie traumatologie·2016
Same author

MIF Plays a Key Role in Regulating Tissue-Specific Chondro-Osteogenic Differentiation Fate of Human Cartilage Endplate Stem Cells under Hypoxia.

Stem cell reports·2016
Same author

Tumor Exosomal RNAs Promote Lung Pre-metastatic Niche Formation by Activating Alveolar Epithelial TLR3 to Recruit Neutrophils.

Cancer cell·2016
Same author

Ultra-compact strain- and temperature-insensitive torsion sensor based on a line-by-line inscribed phase-shifted FBG.

Optics express·2016
Same author

The Safety and Immunological Effects of rAd5-EBV-LMP2 Vaccine in Nasopharyngeal Carcinoma Patients: A Phase I Clinical Trial and Two-Year Follow-Up.

Chemical & pharmaceutical bulletin·2016
Same author

Increased Ubqln2 expression causes neuron death in transgenic rats.

Journal of neurochemistry·2016

Related Experiment Video

Updated: Feb 8, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

7.9K

Probing the Interface of a Phase-Separated State in a Repulsive Bose-Fermi Mixture.

Rianne S Lous1,2, Isabella Fritsche1,2, Michael Jag1,2

  • 1Institut für Quantenoptik und Quanteninformation (IQOQI), Österreichische Akademie der Wissenschaften, 6020 Innsbruck, Austria.

Physical Review Letters
|June 30, 2018
PubMed
Summary

We studied a Bose-Fermi mixture of potassium-41 and lithium-6 atoms. The kinetic energy of bosons helps maintain a thin interface, smoothing phase transitions in finite systems.

More Related Videos

Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol
09:08

Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol

Published on: April 2, 2018

36.0K
Atom Probe Tomography Analysis of Exsolved Mineral Phases
08:14

Atom Probe Tomography Analysis of Exsolved Mineral Phases

Published on: October 25, 2019

7.8K

Related Experiment Videos

Last Updated: Feb 8, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

7.9K
Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol
09:08

Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol

Published on: April 2, 2018

36.0K
Atom Probe Tomography Analysis of Exsolved Mineral Phases
08:14

Atom Probe Tomography Analysis of Exsolved Mineral Phases

Published on: October 25, 2019

7.8K

Area of Science:

  • Quantum physics
  • Ultracold atomic gases
  • Bose-Fermi mixtures

Background:

  • Phase separation in Bose-Fermi mixtures is crucial for understanding quantum many-body systems.
  • Controlling the interface between Bose-Einstein condensates and Fermi seas is key to exploring novel quantum states.

Purpose of the Study:

  • To probe the interface of a phase-separated Bose-Fermi mixture.
  • To quantify the spatial overlap between Bose-Einstein condensate and Fermi sea components.
  • To investigate the role of interspecies repulsion and kinetic energy on the interface properties.

Main Methods:

  • Utilized a Bose-Fermi mixture of potassium-41 (Bose-Einstein condensate) and lithium-6 (Fermi sea).
  • Measured three-body recombination losses to quantify residual spatial overlap.
  • Varied interspecies repulsion strength.
  • Compared experimental data with a numerical mean-field model.

Main Results:

  • Quantified residual spatial overlap between Bose-Einstein condensate and Fermi sea.
  • Demonstrated that the kinetic energy term for bosons is crucial for maintaining a thin interface.
  • Observed that this effect persists far into the phase-separated regime.
  • Showed that the phase transition is smoothed in finite-sized systems.

Conclusions:

  • The kinetic energy of condensed bosons plays a vital role in stabilizing the interface in phase-separated Bose-Fermi mixtures.
  • Finite system size leads to a smoothed phase transition, impacting the interface dynamics.
  • This work provides insights into the fundamental physics of interacting quantum gases.