User Arnold Neumaier

10 votes

In astronomy what phenomena have theory predicted before observations?

answered May 13, 2012 at 9:25

10 votes

Is QFT mathematically self-consistent?

answered Mar 18, 2012 at 17:00

10 votes

Accepted

Electromagnetic field of unpolarized light

answered Jul 13, 2012 at 15:46

10 votes

Is a 1D vector also a scalar?

answered Sep 4, 2012 at 7:25

10 votes

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What is the difference between manifest Lorentz invariance and canonical Lorentz invariance?

answered Sep 16, 2012 at 10:26

10 votes

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Can $10^{23}$ stars be treated with methods of statistical mechanics?

answered Jul 25, 2012 at 19:11

10 votes

Scattering, Perturbation and asymptotic states in LSZ reduction formula

answered May 5, 2018 at 17:04

10 votes

What do we mean when we say 't Hooft proved that Standard Model is renormalizable?

answered Mar 6, 2018 at 10:03

10 votes

Accepted

Is the term "quantum triviality" defined by the UV or the IR behavior of the RG flow?

answered May 20, 2019 at 12:56

9 votes

Stimulated Emission in QED

answered May 24, 2018 at 8:24

9 votes

How to learn QFT on curved spacetime by self-studying?

answered Jan 17, 2018 at 16:02

9 votes

Why do people categorically dismiss some simple quantum models?

answered Aug 15, 2012 at 10:32

9 votes

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Quantum Field Theory: why fields are equal to zero on the boundary?

answered Sep 30, 2012 at 16:30

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What are the frameworks of physics?

answered May 11, 2012 at 18:37

9 votes

On what basis do we trust Conservation of Energy?

answered Mar 3, 2012 at 19:29

9 votes

Are W & Z bosons virtual or not?

answered Mar 7, 2012 at 19:07

9 votes

What constitutes an observation/measurement in QM?

answered Nov 4, 2012 at 15:47

9 votes

Accepted

Extending the ergodic theorem to non-equilibrium systems

answered Dec 8, 2015 at 16:47

9 votes

Statistical analysis of data in Physics

answered Jul 18, 2015 at 7:12

9 votes

Can we always express the EM-Field Hamiltonian as (possibly time dependent) pair of annihilation and creation operators?

answered Oct 2, 2017 at 16:56

9 votes

Fock space vs. wavefunctionals

answered Oct 10, 2017 at 15:56

9 votes

Can a normalizable function always be decompose into the discrete Hydrogen spectrum?

answered Jul 18, 2017 at 5:58

9 votes

Isotherms don't intersect?

answered Nov 14, 2016 at 18:54

9 votes

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How do we know that analytic continuation agrees with UV regulators?

answered Jul 11, 2016 at 12:48

8 votes

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What is the correlation between QFT and thermodynamics?

answered Jun 3, 2016 at 10:22

8 votes

Why does water ($\mathrm{H_2O}$) only have two distinct fluid phases?

answered Jun 30, 2016 at 17:18

8 votes

What is the physical interpretation of second quantization?

answered Jun 1, 2015 at 9:12

8 votes

Accepted

Does entropy decrease through measurement?

answered Oct 21, 2012 at 8:08

8 votes

What does "the ${\bf N}$ of a group" mean?

answered Oct 22, 2012 at 14:55

8 votes

Macroscopic laws which haven't been derived from microscopic laws

answered Nov 18, 2012 at 14:41

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663 Answers

In astronomy what phenomena have theory predicted before observations?

Is QFT mathematically self-consistent?

Electromagnetic field of unpolarized light

Is a 1D vector also a scalar?

What is the difference between manifest Lorentz invariance and canonical Lorentz invariance?

Can $10^{23}$ stars be treated with methods of statistical mechanics?

Scattering, Perturbation and asymptotic states in LSZ reduction formula

What do we mean when we say 't Hooft proved that Standard Model is renormalizable?

Is the term "quantum triviality" defined by the UV or the IR behavior of the RG flow?

Stimulated Emission in QED

How to learn QFT on curved spacetime by self-studying?

Why do people categorically dismiss some simple quantum models?

Quantum Field Theory: why fields are equal to zero on the boundary?

What are the frameworks of physics?

On what basis do we trust Conservation of Energy?

Are W & Z bosons virtual or not?

What constitutes an observation/measurement in QM?

Extending the ergodic theorem to non-equilibrium systems

Statistical analysis of data in Physics

Can we always express the EM-Field Hamiltonian as (possibly time dependent) pair of annihilation and creation operators?

Fock space vs. wavefunctionals

Can a normalizable function always be decompose into the discrete Hydrogen spectrum?

Isotherms don't intersect?

How do we know that analytic continuation agrees with UV regulators?

What is the correlation between QFT and thermodynamics?

Why does water ($\mathrm{H_2O}$) only have two distinct fluid phases?

What is the physical interpretation of second quantization?

Does entropy decrease through measurement?

What does "the ${\bf N}$ of a group" mean?

Macroscopic laws which haven't been derived from microscopic laws