Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Standing Waves in a Cavity

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:

Relative Motion Analysis - Acceleration

Relative Motion Analysis - Acceleration

A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...

Deformation in a Circular Shaft

Deformation in a Circular Shaft

One of the distinctive characteristics of circular shafts is their ability to maintain their cross-sectional integrity under torsion. In other words, each cross-section continues to exist as a flat, unaltered entity, simply rotating like a solid, rigid slab. To understand the distribution of shearing stress within such a shaft, consider a cylindrical section inside this circular shaft. This section has a length of L and a radius of R, with one end fixed. The radius of the cylindrical section is...

Unsoundness of Aggregate due to Volume Change

Unsoundness of Aggregate due to Volume Change

Unsoundness in aggregates due to volume changes is primarily caused by the physical alterations aggregates undergo, such as freezing and thawing, thermal changes, and wetting and drying. Unsound aggregates, when subjected to these changes, result in volume change upon disintegration. This, in turn, contributes to the deterioration of concrete, including scaling, pop-outs, and cracking. Particular types of aggregates, such as porous flints, cherts, and those containing clay minerals, are...

Curvilinear Motion: Normal and Tangential Components

Curvilinear Motion: Normal and Tangential Components

When a car traverses a curved road, its motion can be elucidated by breaking it down into tangential and normal components. The car-centric coordinates attached to the vehicle move with it.
The positive direction of the t-axis aligns with the increasing position of the car along the curved path, denoted by the unit vector ut. Simultaneously, the n-axis, perpendicular to the t-axis, dissects the curved path into differential arc segments, each forming the arc of a circle with a radius of...

Rotation with Constant Angular Acceleration - II

Rotation with Constant Angular Acceleration - II

Kinematics is the description of motion. The kinematics of rotational motion discusses the relationships between rotation angle, angular velocity, angular acceleration, and time. One can describe many things with great precision using kinematics, but kinematics does not consider causes. For example, a large angular acceleration describes a very rapid change in angular velocity without any consideration of its cause. Thus, rotational kinematics does not represent the laws of nature.
The first...

You might also read

Related Articles

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

Sort by

Same author

Time-Resolved and Superradiantly Amplified Unruh Effect.

Physical review letters·2025

Same author

Detecting Acceleration-Enhanced Vacuum Fluctuations with Atoms Inside a Cavity.

Physical review letters·2021

Same author

Generalized thermalization for integrable system under quantum quench.

Physical review. E·2018

Same author

Extracting Information about the Initial State from the Black Hole Radiation.

Physical review letters·2016

Search research articles

Related Experiment Video

Updated: Aug 27, 2025

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

Cavity Optimization for Unruh Effect at Small Accelerations.

D Jaffino Stargen¹, Kinjalk Lochan¹

¹Department of Physical Sciences, IISER Mohali, Knowledge City, Sector 81, SAS Nagar, Manauli-140306, Punjab, India.

Physical Review Letters

|September 26, 2022

Summary

This summary is machine-generated.

Observing the Unruh effect is challenging due to low-frequency field modes. Confining a field in a cavity enhances thermal effects, making the Unruh effect potentially observable with lower accelerations.

More Related Videos

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

Related Experiment Videos

Last Updated: Aug 27, 2025

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

Area of Science:

Quantum Field Theory
Experimental Physics
General Relativity

Background:

The Unruh effect predicts that an accelerating observer perceives a thermal bath of quantum field excitations.
Observing the Unruh effect is experimentally challenging due to the requirement of extremely high accelerations, which are not currently achievable.
Finite temperature effects are significant only for low-frequency field modes, which are sparse in free space.

Purpose of the Study:

To investigate the response of an Unruh-DeWitt detector coupled to a quantum field confined within a cylindrical cavity.
To explore methods for enhancing the observability of the Unruh effect under achievable acceleration scales.
To determine if cavity modifications can facilitate the experimental realization of noninertial field theoretic effects.

Main Methods:

Utilizing an Unruh-DeWitt detector model coupled to a massless scalar field.
Analyzing the behavior of the quantum field confined within a long cylindrical cavity.
Investigating the density of field modes and its resonance structure within the cavity.
Calculating excitation and de-excitation rates of the detector at small accelerations near resonance points.

Main Results:

The density of field modes within the cylindrical cavity exhibits resonance structures.
An accelerating detector shows nontrivial excitation and de-excitation rates near these resonance points.
The acceleration-induced emission rate can be significantly amplified by adjusting cavity parameters near resonance.
This amplified rate can exceed the observable inertial emission rate even for small accelerations.

Conclusions:

Confining a quantum field in a cylindrical cavity can enhance the observability of the Unruh effect.
Precision in cavity manufacturing can potentially substitute the need for extremely high accelerations.
The proposed detector-field-cavity system offers a promising avenue for the experimental realization of the Unruh effect in laboratory settings.