MathMath
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2 answers
6 votes
252 views
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What is the basic idea behind the renormalization group?
2 answers
5 votes
250 views
3 bookmarks
Hilbert space in Dirac's representation
1 answers
5 votes
283 views
3 bookmarks
Understanding Hamilton's equations in classical field theory in a rigorous way
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4 votes
154 views
On the two different solution approaches of the quantum harmonic oscillator
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3 votes
90 views
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Interpretation of Feynman's propagator
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3 votes
161 views
Correct interpretation of $\langle x | \psi \rangle$?
1 answers
3 votes
79 views
Quantum field creates particle interpretation
2 answers
2 votes
99 views
Help understanding Einstein notation
2 answers
2 votes
107 views
Solution of Klein-Gordon equation admit no probability interpretation
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1 votes
52 views
Correlation functions in the interaction picture
1 answers
1 votes
82 views
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Path integrals for arbitrary actions?
1 answers
1 votes
81 views
Derivation of $Z = \operatorname{Tr}e^{-\beta H + \mu N}$
1 answers
1 votes
161 views
Why does $\langle p| V(x)|x_{0}\rangle = V(x_{0})\langle p| x_{0}\rangle$ holds?
1 answers
1 votes
117 views
Particular solution of Weyl representation of Dirac equation
2 answers
1 votes
74 views
Interpreting plane waves solutions of the Dirac equation
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1 votes
47 views
Hamilton's principle for fields
1 answers
0 votes
43 views
An identity about exponential of operators
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0 votes
62 views
Eigenstates of $|x(t)\rangle$
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0 votes
43 views
Quantum mechanics propagator as transition amplitude
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0 votes
51 views
Expansion with respect to a uncountable set of eigenvectors
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0 votes
55 views
Accounts on the solutions of the Dirac equation
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0 votes
61 views
Plane waves solutions for Dirac equation in terms of eigenstates of helicity
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0 votes
24 views
Spatial derivative of Dirac wave function is zero at rest
2 answers
0 votes
83 views
Definition of an equation to be Lorentz invariant
1 answers
0 votes
103 views
What is the idea behind the quantization of fields?
0 answers
0 votes
50 views
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Two different interpretations of Feynman's path integral?
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0 votes
64 views
Entropy and Irreversibility
1 answers
-1 votes
71 views
Dealing with $\delta^{(3)}(0)$ using normal ordering
2 answers
-1 votes
56 views
1 bookmarks
Dirac differential operator and anti-commutation relations