Where does the expression $\langle q \mid p\rangle=\frac{1}{(2\pi\hbar)^{n/2}}e^{i q\cdot p/\hbar}$ come from?
58445
What does the Canonical Commutation Relation (CCR) tell me about the overlap between Position and Momentum bases?
27901
Proving $\sum\limits_{i=1}^k | \langle x,v_i \rangle \langle y,v_i\rangle| \leq \|x\|\cdot \|y\|$
145279
Compute the (multiplicative) inverse of $4x+3$ in the field $\frac {\Bbb F_{11}[x]}{\langle x^2+1 \rangle}$?
83967
Why is $|\Psi|^2$ the probability density?
44843
What is the difference between $|0\rangle $ and $0$?
67489
How to show that $E[(\hat\theta -\theta)^2]<Var(\bar X)=\dfrac{1}{n}$?
91627
What is a primary decomposition of the ideal $I = \langle xy, x - yz \rangle$?
152932
Proof: $\det\pmatrix{\langle v_i , v_j \rangle}\neq0$ $\iff \{v_1,\dots,v_n\}~\text{l.i.}$
124988
$E=kT$ or $\frac32kT$?
112628
What is the origin of the Dirac delta term in the dipole electric field?
153684
In quantum mechanics, is $|\psi\rangle$ equal to $\psi(x)$?
68951
Normalization of the overlap $\langle x'|p'\rangle$
130497
Understanding Dirac's notation
2105
$\langle Tu\;|\;u\rangle=0,\;\forall u\in E \Longrightarrow T=0$?
154185
Evaluate $\iiint_{[0,1]^3}\frac{dx\,dy\,dz}{(1+x^2+y^2+z^2)^2}$
12422
Derivation of $E=pc$ for a massless particle?
2626
Show $\langle a^m \rangle \cap \langle a^n \rangle = \langle a^{\operatorname{lcm}(m, n)}\rangle$