Noiralef

Finland

http://www.wikipedia.org

Postgraduate Student of Physics in Finland.

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There are too many Wick's Theorems!

quantum-mechanics quantum-field-theory operators conformal-field-theory wick-theorem asked Apr 16, 2018 at 17:14

physics.stackexchange.com

12 votes

How can hypersurfaces "know" the degree of their defining polynomials?

algebraic-geometry complex-geometry projective-geometry asked Apr 8, 2015 at 22:16

math.stackexchange.com

12 votes

Matrix elements of the free particle Hamiltonian

quantum-mechanics hilbert-space wavefunction time-evolution matrix-elements asked Nov 25, 2018 at 12:56

physics.stackexchange.com

10 votes

Confusion about two definitions of anomalies

quantum-field-theory string-theory symmetry lie-algebra anomalies asked Oct 7, 2014 at 15:32

physics.stackexchange.com

9 votes

What is the canonical bundle of a smooth divisor?

algebraic-geometry differential-geometry complex-geometry asked Mar 19, 2015 at 0:43

math.stackexchange.com

9 votes

Contour integration, residues and precision of the poles

calculus-and-analysis complex precision asked May 18, 2018 at 11:54

mathematica.stackexchange.com

8 votes

Scipy: Minimize violates given bounds

python scipy asked Sep 6, 2018 at 16:16

stackoverflow.com

7 votes

Properties of the Floquet Generator

matrices analysis differential-equations periodic-functions asked Jul 19, 2017 at 23:14

math.stackexchange.com

6 votes

Best practice / idioms in C# to create "case classes"

c# inheritance idioms asked Oct 26, 2017 at 18:43

stackoverflow.com

6 votes

Fourier transform of a complicated function

numerical-integration fourier-analysis signal-processing asked Jul 2, 2018 at 13:13

mathematica.stackexchange.com

Top Answers

Normalizable wavefunction that does not vanish at infinity

physics.stackexchange.com

Why do all fields in a QFT transform like *irreducible* representations of some group?

physics.stackexchange.com

What is the probability for an electron of an atom on Earth to lie outside the galaxy?

physics.stackexchange.com

Time Dependent Perturbation Theory: How do we know the system stays in the same Hilbert space?

physics.stackexchange.com

German verb for 'binge-watch'

german.stackexchange.com

Why is time-evolution operator unitary?

physics.stackexchange.com

Hilbert space in Dirac's representation

physics.stackexchange.com

Why the name 'displacement' operator?

physics.stackexchange.com

Tadpole diagram in QED

physics.stackexchange.com

How to show that $\bar\psi\psi$ of a Dirac spinor $\psi$ transforms as a scalar?

physics.stackexchange.com

Why don't we call the fermions in the standard model force carriers?

physics.stackexchange.com

Domains of $H$ and $U(t) = \exp(-iH t )$

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How does an outer product really work?

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Is $[A,\exp{B}]=0 \Rightarrow [A,B]=0$ true?

physics.stackexchange.com

Is there a way to prove that different angular momentum components anticommute without using a specific matrix representation?

physics.stackexchange.com

Scipy: Minimize violates given bounds

stackoverflow.com

Why does the vacuum permeability have the value of $\pi$ in it?

physics.stackexchange.com

How to show that $\bar\psi\gamma^\mu\psi$ of a Dirac spinor $\psi$ transforms as a vector?

physics.stackexchange.com

Rotational relativity? Is there an universal frame of reference for rotation?

physics.stackexchange.com

Do their exist power series with non circular regions of convergence?

math.stackexchange.com

What does it mean by saying the generators of translations transform as vectors under the Lorentz Group?

physics.stackexchange.com

How it is possible to mediate a weak interactions by very heavy particle such as Boson?

physics.stackexchange.com

$\omega(k)$ and $k(\omega)$ about waves

physics.stackexchange.com

Marginal and joint probability in quantum mechanics

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Pauli matrices and Wikipedia

physics.stackexchange.com

Complete positivity: why is the condition sufficient for quantum maps?

physics.stackexchange.com

Two different definitions of ladder operator for Harmonic Oscillators

physics.stackexchange.com

Calculating commutators in quantum mechanics symbolically with the help of Mathematica

mathematica.stackexchange.com