Question: Show that the commutators [l2, lz] = 0, and then, without further calculation, justify the remark that [l2,lq] = 0 for all q =x, y,

Show that the commutators [l2, lz] = 0, and then, without further calculation, justify the remark that [l2,lq] = 0 for all q =x, y, and z.

Step by Step Solution

★★★★★

3.28 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

We are to show that 1 1 21g 11 0 The three commutators are 21 21 12 ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

57-C-PC-S (68).docx

120 KBs Word File

Students Have Also Explored These Related Physical Chemistry Questions!

Q:

Show that if 0 y Rn and z Rn, then z = z1 + z2, where z1 = (ytz/ ||y||22)y is parallel to y and z2 is orthogonal to y.

Q:

X Ltd, Y Ltd, and Z Ltd enter into a contractual agreement on 1 July 2017 to form a joint operation (JO). The joint operation agreement states that X Ltd, Y Ltd, and Z Ltd will share output,...

Q:

y varies jointly as x and z and inversely as the product of w and p, and y = 3 / 28 when x = 3, z = 10, w = 7, and p = 8 Find an equation of variation for the given situation.

Q:

References: Health Information Management Case Studies Second Edition AHIMA by Dianna M. Foley Health Information Management Technology an Applied Approah Sixth Edition AHIMA by Nanette Sayles and...

Q:

seventh pages Chapter 3 Curve Sketching How much metal would be required to make a 400-mL soup can? What is the least amount of cardboard needed to build a box that holds 3000 cm3 of cereal? The...

Q:

QUIZ... Let D be a poset and let f : D D be a monotone function. (i) Give the definition of the least pre-fixed point, fix (f), of f. Show that fix (f) is a fixed point of f. [5 marks] (ii) Show that...

Q:

Let r and s be solutions to the quadratic equation x 2 b x + c = 0. For n N, define d0 = 0 d1 = r s dn = b dn1 c dn2 (n 2) Prove that dn = r n s n for all n N. [4 marks] (b) Recall that a commutative...

Q:

Miller-Rabin test to check whether a number N is composite. This will involve computing a N1 mod N for some value of a. [10 marks] Carry out the steps for N = 65 and a = 1, 2, 8 and 12. on what each...

Q:

Provide an appropriate query to show that the above program can give an incorrect result. [4 marks] (b) Explain the cause of the error. [6 marks] (c) Suggest a correction. [5 marks] (d) Write a...

Q:

907ECON... P7 Question: Consider a horizontally differentiated product market in which two firms are located at any points l1 and l2 on the real line, respectively, with the notation l1 l2. Firms...

Q:

Let W be a random variable giving the number of heads minus the number of tails in three tosses of a coin. List the elements of the sample space S for the three tosses of the coin and to each sample...

Q:

Random variables X and Y have the joint PMF (a) What is the value of the constant c? (b) What is P(Y X)? (d) What is P(Y = X)? (e) What is P(Y = 3)? (f) Find the marginal PMFs...

Q:

Why are international investors especially concerned about the real interest rate as opposed to the nominal rate?

Q:

You are a part of the team responsible for planning the Land & Homes Group (ASX code LHM), a property development company, audit engagement for 2020. You are required to gather relevant...

Q:

What are the different parameters or features that can be employed for plant identification? Discuss.

Q:

b): Find the solution (p + q* )n ** (qx py) = 1.

Q:

f) = (xe) (b): Find fourier sine series of 2 0

Q:

You have just purchased a 7-year zero-coupon bond with a yield to maturity of 11% and a par value of $1,000. What would your rate of return at the end of the year be if you sell the bond? Assume the...

Q:

One supply-side measure introduced by the Reagan administration was a cut in income tax rates. Use an aggregate demand/aggregate supply diagram to show what effect was intended. What might happen if...

Q:

Calculate the rotational partition function of H 2 O at 298K from its rotational constants 27.878 cm 1 , 14.509 cm 1 , and 9.287 cm 1 and use your result to calculate the rotational contribution to...

Q:

At what temperature is the standard molar entropy of helium equal to that of xenon at 298K?

Q:

Evaluate, by explicit summation, the mean vibrational energy of CS 2 and plot its value as a function of temperature. At what temperature is the equipartition value within 5 per cent of the accurate...

Q:

Income statement Net sales $1,800,000 $1,800,000 Cost of Goods Sold 900,000 1,260,000 Gross Profit 600,000 540,000 Marketing 150,000 200,000 General & Administrative 150,000 200,000 Depreciation...

Q:

Please answer in your own words 1.On the face of it, replacing paper-based transactions with electronic transactions should provide environmental benefits. In terms of business processes, what needs...

Q:

Score: 9/23 5/11 answered Question 6 0/4 pts The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 0.954 g and a standard deviation of 0.295 g. The company...