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While studying canonical quantization in QFT, I observed that we quantize fields either by a commutation or an anticommutation relation [ϕ(x),ϕ(y)]±:=ϕ(x)ϕ(y)±ϕ(y)ϕ(x)=iδ(x−y). and from this, the spin-statistics
answered
Dec 2, 2024
Physics
high-school
1
answer
188k
views
Can a circle be circumscribed about the quadrilateral with angles 68, 90, 90, and 112 degrees? 1) True 2) False
asked
Oct 9, 2024
Mathematics
high-school
1
answer
24.4k
views
Which movement lowers a body part vertically in the frontal plane?
asked
Oct 8, 2024
Biology
high-school
1
answer
113k
views
What concentration of Br− results when 777 mL of 0.733 M KBr is mixed with 693 mL of 0.461 M FeBr2?
answered
Sep 2, 2024
Chemistry
college
2
answers
104k
views
Which one of these could define a "hypothesis?" A. Educated guess B. Conclusion C. Scientific prediction
asked
Jul 20, 2024
Mathematics
high-school
1
answer
218k
views
Paraphrase the following excerpt from Senator Hill's speech: "I therefore start out with this proposition, that the Democratic Party stands today in favor of gold and silver as the money of the country;
asked
Jul 19, 2024
English
college
1
answer
63.9k
views
True or false? According to author Stephen Covey, empathic listening is listening not only to the words being spoken, but also to the meaning and feeling behind the words.
asked
Jul 13, 2024
Social Studies
high-school
1
answer
191k
views
4 snack wraps cost $10.25. At this rate, how much do 3 snack wraps cost?
answered
Jul 7, 2024
Mathematics
high-school
2
answers
172k
views
A community health nurse is providing care to a client who has stopped taking their prescribed blood pressure medication. Which of the following actions should the nurse take first? Option 1: Reassure
answered
Jul 3, 2024
Medicine
college
1
answer
198k
views
Why was there a halt to the dramatic increase of FFA members and new chapters in 1942?
answered
Apr 3, 2024
History
high-school
1
answer
207k
views
How have the poets dealt with the themes of compassion and brotherhood in the poems Nine Gold Medals and The Cold Within?
answered
Jan 1, 2024
English
high-school
1
answer
217k
views
Find the area of the stained glass window shown if the diameter of the semi-circle is 63 inches. Use 3.14 for pi. Round your answer to the nearest square inch, and enter the number only.
answered
Oct 17, 2023
Mathematics
high-school
2
answers
56.0k
views
_____ dos muchachas son alumnas muy buenas. *
answered
Sep 16, 2023
Spanish
high-school
1
answer
212k
views
Historiografos universales
asked
Aug 12, 2023
Spanish
high-school
1
answer
63.9k
views
Calculate the following round to the proper number of significant figures and write in standard scientific notation.2.51x104-1.5x103
answered
Jul 10, 2023
Chemistry
college
1
answer
17.6k
views
For each of the following, classify homogenous mixture, heterogeneous mixture, compound, or element. a. Air _____________ b. Glucose _____________ c. Table Salt (NaCl) _________ d. Sand and Water__________
answered
Jun 24, 2023
Chemistry
college
2
answers
155k
views
If x=2 and y=5, evaluate the following expression: 20−(3y−4x)
answered
Jun 23, 2023
Mathematics
high-school
1
answer
54.6k
views
Explain: what did President Wilson and his advisers view as the main causes of World War 1?
answered
Mar 2, 2023
History
high-school
1
answer
213k
views
inSelect the correct answer from each drop-down menu.Using the image below, select the best answer from each pull-down to complete the statements.сThe measure of
answered
Jan 11, 2023
Mathematics
college
1
answer
147k
views
HELP!!!!! I DONT KNOW THIS
answered
Dec 11, 2022
Mathematics
high-school
2
answers
135k
views
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