What does perturbation mean in physics?

1 : the action of perturbing : the state of being perturbed. 2 : a disturbance of motion, course, arrangement, or state of equilibrium especially : a disturbance of the regular and usually elliptical course of motion of a celestial body that is produced by some force additional to that which causes its regular motion.

What is meant by perturbation in quantum mechanics?

Perturbation Theory is an extremely important method of seeing how a Quantum System will be affected by a small change in the potential. … Perturbation means small disturbance. Remember that the hamiltonian of a system is nothing but the total energy of that system.

What is an example of a perturbation?

When you are feeling anxious about something you are required to do but don’t like do, this is an example of perturbation. When your routine or schedule is interrupted because of a friend, this can be an example of perturbation.

What is your perturbation?

The noun perturbation means “anxiety or uneasiness.” Perturbation means “a state of agitation,” or it can refer to whatever’s causing the anxiety. Your brother’s weird haircut could be the perturbation that’s upsetting your mom at Thanksgiving dinner.

Why do we use perturbation?

perturbation, in mathematics, method for solving a problem by comparing it with a similar one for which the solution is known. Perturbation is used to find the roots of an algebraic equation that differs slightly from one for which the roots are known. … Other examples occur in differential equations.

What is perturbation theorem?

Perturbation theory is a method for continuously improving a previously obtained approximate solution to a problem, and it is an important and general method for finding approximate solutions to the Schrödinger equation. We discussed a simple application of the perturbation technique previously with the Zeeman effect.

What does raptly mean?

1 : lifted up and carried away. 2 : transported with emotion : enraptured. 3 : wholly absorbed : engrossed.

Does perturbation mean disturbance?

the state of being perturbed. … mental disquiet, disturbance, or agitation. a cause of mental disquiet, disturbance, or agitation.

What is another word for perturbation?

In this page you can discover 32 synonyms, antonyms, idiomatic expressions, and related words for perturbation, like: agitation, disturbance, dither, fluster, upset, flutter, distress, tumult, turmoil, lather and stew.

What type of word is rapt?

Very interested, involved in something, absorbed, transfixed; fascinated or engrossed.

How do you use the rapt?

We listened with rapt attention. I am listening to his contribution with rapt attention. I am always delighted to find that my words are followed with such close and rapt attention. All of us, on both sides, listened to him with rapt attention.

Is it rapt or wrapped?

When you get deeply involved in a project, you may say you’re wrapped up in it; but if you are entranced or enraptured by something you are “rapt,” not “wrapped.” The word means “carried away” and is used in expressions like “listening with rapt attention,” “rapt expression,” and “rapt in conversation.”

What does its uncanny mean?

1 : strange or unusual in a way that is surprising or mysterious an uncanny resemblance. 2 : suggesting powers or abilities greater than normal an uncanny sense of direction.

What does Reg mean?

1 region. 2 register; registered; registration. 3 regular.

How do you spell Resignate?

verb. Resign. In later use chiefly in representations of regional or nonstandard speech.

What is a gray clad?

Gray indicates the Confederacy and thus the cause to which Farquhar foolishly sacrifices himself, and the “gray clad” rider approaches Farquhar and his wife in the second section. … In this sense, the color gray indicates a distortion of the truth—the soldier is actually a Northern scout disguised in the enemy’s colors.

What is striking resemblance?

if there is a resemblance between two people or things, they are similar, especially in their appearance. resemblance between: The resemblance between the twins is striking.

Is uncanny a positive word?

uncanny Add to list Share. If something is uncanny, it is so mysterious, strange, or unfamiliar that it seems supernatural. If you hear strange music echoing through your attic, you might refer to it as positively uncanny.