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

Dynamics Of Circular Motion: Applications

Dynamics Of Circular Motion: Applications

Suppose a car moves on flat ground and turns to the left. The centripetal force causing the car to turn in a circular path is due to friction between the tires and the road. For this, a minimum coefficient of friction is needed, or the car will move in a larger-radius curve and leave the roadway. Let's now consider banked curves, where the slope of the road helps in negotiating the curve. The greater the angle of the curve, the faster one can take the curve. It is common for race tracks for...

Two-Dimensional Force System: Problem Solving

Two-Dimensional Force System: Problem Solving

Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...

Dynamics of Circular Motion

Dynamics of Circular Motion

An object undergoing circular motion, like a race car, is accelerating because it is changing the direction of its velocity. This centrally directed acceleration is called centripetal acceleration. This acceleration acts along the radius of the curved path (thus is also referred to as radial acceleration).
Any acceleration must be produced by some force. Therefore, any force or combination of forces can cause centripetal acceleration. A few examples include the tension in the rope on a...

BIBO stability of continuous and discrete -time systems

BIBO stability of continuous and discrete -time systems

System stability is a fundamental concept in signal processing, often assessed using convolution. For a system to be considered bounded-input bounded-output (BIBO) stable, any bounded input signal must produce a bounded output signal. A bounded input signal is one where the modulus does not exceed a certain constant at any point in time.
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system.

Kinematic Equations - II

Kinematic Equations - II

The second kinematic equation expresses the final position of an object in terms of its initial position, the distance traveled with the initial constant velocity, and the distance traveled due to a change in velocity. Similar to the first kinematic equation, this equation is also only valid when the acceleration is constant throughout the motion of an object.
Suppose a car merges into freeway traffic on a 200 m long ramp. If its initial velocity is 10 m/s and it accelerates at 2 m/s2, then the...

Three-Dimensional Force System:Problem Solving

Three-Dimensional Force System:Problem Solving

A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...

You might also read

Related Articles

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

Sort by

Same author

Long-Time Diffusion in Polymer Melts Revealed by <sup>1</sup>H NMR Relaxometry.

ACS macro letters·2022

Same author

Widely used hardly known. An insight into electric and dynamic properties of formamidinium iodide.

RSC advances·2022

Same author

A superconducting switch actuated by injection of high-energy electrons.

Nature communications·2021

Same author

The structure and switchable dielectric properties of a dabco complex with chromium chloride.

Dalton transactions (Cambridge, England : 2003)·2020

Same author

Symmetry breaking structural phase transitions, dielectric properties and molecular motions of formamidinium cations in 1D and 2D hybrid compounds: (NH<sub>2</sub>CHNH<sub>2</sub>)<sub>3</sub>[Bi<sub>2</sub>Cl<sub>9</sub>] and (NH<sub>2</sub>CHNH<sub>2</sub>)<sub>3</sub>[Bi<sub>2</sub>Br<sub>9</sub>].

Dalton transactions (Cambridge, England : 2003)·2019

Same author

One dimensional magnetic resonance microscopy with micrometer resolution in static field gradients.

Journal of magnetic resonance (San Diego, Calif. : 1997)·2019

Search research articles

Related Experiment Video

Updated: Jun 25, 2026

Experimental Methods to Study Human Postural Control

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Field cycling methods as a tool for dynamics investigations in solid state systems: recent theoretical progress.

D Kruk¹, F Fujara, P Gumann

¹Institute of Physics, Jagiellonian University, Krakow, Poland. danuta.kruk@uj.edu.pl

Solid State Nuclear Magnetic Resonance

|February 24, 2009

Summary

This study details polarization transfer and field-dependent relaxation in solid-state spin systems. It clarifies physical origins and promotes established theoretical treatments for analyzing field cycling data.

More Related Videos

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

Related Experiment Videos

Last Updated: Jun 25, 2026

Experimental Methods to Study Human Postural Control

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

Area of Science:

Solid-state physics
Quantum mechanics
Magnetic resonance

Background:

Solid-state systems involve coupled spins with quantum numbers I=1/2 and S=1.
Polarization transfer and field-dependent relaxation are key phenomena in these systems.
Understanding these effects is crucial for interpreting magnetic resonance data.

Purpose of the Study:

To present physical mechanisms and theoretical treatments of polarization transfer and relaxation.
To generalize theories for complex spin systems.
To clarify common misunderstandings about the physical origins of these phenomena.

Main Methods:

Detailed theoretical descriptions for simple spin systems.
Generalization of theories to complex spin systems.
Illustration of phenomena with examples.

Main Results:

Comprehensive theoretical framework for polarization transfer and relaxation.
Demonstration of applicability to complex spin systems.
Clarification of physical origins and common misconceptions.

Conclusions:

The paper provides a unified view of polarization transfer and relaxation in solid-state systems.
It advocates for the adoption of these theoretical treatments as standard tools.
This work aims to enhance the analysis of field cycling data in magnetic resonance.