User Piotr Migdal - Physics Stack Exchange

43 votes

8 answers

7k views

Negative probabilities in quantum physics

asked Oct 11, 2011 at 13:31

33 votes

7 answers

2k views

An entropy of the Wigner function

asked Sep 29, 2011 at 13:38

28 votes

3 answers

4k views

No hair theorem for black holes and the baryon number

asked Mar 20, 2011 at 13:26

23 votes

5 answers

476 views

Which symmetric pure qudit states can be reached within local operations?

asked Sep 30, 2011 at 12:49

21 votes

3 answers

3k views

Why the vacuum polarization does not decrease the speed of light?

asked Jan 6, 2011 at 23:28

20 votes

2 answers

4k views

Theoretical penetration limit for evanescent waves

asked Sep 18, 2011 at 9:59

17 votes

2 answers

2k views

Unambiguous distinguishing of quantum states by local measurement

asked Nov 10, 2010 at 20:21

16 votes

6 answers

372 views

Multiqubit state tomography by performing measurement in the same basis

asked Mar 15, 2012 at 11:32

14 votes

1 answer

488 views

Majorana-like representation for mixed symmetric states?

asked Oct 30, 2011 at 11:27

14 votes

3 answers

1k views

Hilbert-Schmidt basis for many qubits - reference

asked Nov 22, 2011 at 14:57

14 votes

2 answers

2k views

Schwinger representation of operators for n-particle 2-mode symmetric states

asked Jul 11, 2012 at 15:00

13 votes

3 answers

465 views

Visualization of 1D spin chain wave fuction

asked Sep 20, 2011 at 13:21

11 votes

6 answers

906 views

Computer game with quantum optics/ information [closed]

asked Apr 10, 2012 at 10:55

11 votes

1 answer

410 views

Which qubit states are accessible with linear optics operations?

asked Nov 19, 2010 at 14:19

10 votes

2 answers

503 views

Finding the spectrum of a polynomial of the creation and annihilation operators

asked Jul 1, 2011 at 2:43

10 votes

1 answer

173 views

Renyi fractal dimension $D_q$ for non-trivial $q$

asked Dec 15, 2011 at 12:49

9 votes

1 answer

113 views

Many body quantum states analyzed as probabilistic sequences

asked Jan 25, 2012 at 22:06

8 votes

3 answers

504 views

Constructing a Hamiltonian (as a polynomial of $q_i$ and $p_i$) from its spectrum

asked Feb 17, 2012 at 23:25

7 votes

1 answer

1k views

Kerr geodesics differential equations in equatorial plane

asked Nov 7, 2012 at 12:31

7 votes

6 answers

244 views

Papers and preprints worth reading, Jan-midFeb 2012 [closed]

asked Feb 15, 2012 at 14:55

4 votes

1 answer

1k views

Why does the BB84 paper "Quantum cryptography: Public key distribution and coin tossing" have a 'withdrawn' status?

asked Jul 17, 2014 at 11:15

2 votes

1 answer

987 views

Feynman diagram elementary vertex with 4 lines?

asked Jul 7, 2016 at 10:17

2 votes

1 answer

257 views

Beirut 2020 explosion vs a nuclear explosion with the same energy [closed]

asked Aug 6, 2020 at 9:28

2 votes

2 answers

2k views

Characteristic length, characteristic time and complexity of the process

asked Sep 22, 2011 at 15:48

1 vote

2 answers

1k views

Length of publication cycle for peer-reviewed journals [closed]

asked Nov 11, 2011 at 10:54

1 vote

0 answers

53 views

ODE solver for Hamiltonian evolution of a finitely-dimensional pure quantum state

asked May 19, 2022 at 10:27

1 vote

0 answers

34 views

Numerical tests of Titius–Bode formula for artificial planetary orbits [duplicate]

asked Sep 13, 2014 at 19:33

1 vote

1 answer

58 views

Name of a state with $d-1$ excitations, distributed uniformly among $n$ qudits

asked Apr 26, 2013 at 12:01

0 votes

1 answer

238 views

Total internal reflection for perpendicular incidence

asked Dec 4, 2014 at 10:38

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29 Questions

Negative probabilities in quantum physics

An entropy of the Wigner function

No hair theorem for black holes and the baryon number

Which symmetric pure qudit states can be reached within local operations?

Why the vacuum polarization does not decrease the speed of light?

Theoretical penetration limit for evanescent waves

Unambiguous distinguishing of quantum states by local measurement

Multiqubit state tomography by performing measurement in the same basis

Majorana-like representation for mixed symmetric states?

Hilbert-Schmidt basis for many qubits - reference

Schwinger representation of operators for n-particle 2-mode symmetric states

Visualization of 1D spin chain wave fuction

Computer game with quantum optics/ information [closed]

Which qubit states are accessible with linear optics operations?

Finding the spectrum of a polynomial of the creation and annihilation operators

Renyi fractal dimension $D_q$ for non-trivial $q$

Many body quantum states analyzed as probabilistic sequences

Constructing a Hamiltonian (as a polynomial of $q_i$ and $p_i$) from its spectrum

Kerr geodesics differential equations in equatorial plane

Papers and preprints worth reading, Jan-midFeb 2012 [closed]

Why does the BB84 paper "Quantum cryptography: Public key distribution and coin tossing" have a 'withdrawn' status?

Feynman diagram elementary vertex with 4 lines?

Beirut 2020 explosion vs a nuclear explosion with the same energy [closed]

Characteristic length, characteristic time and complexity of the process

Length of publication cycle for peer-reviewed journals [closed]

ODE solver for Hamiltonian evolution of a finitely-dimensional pure quantum state

Numerical tests of Titius–Bode formula for artificial planetary orbits [duplicate]

Name of a state with $d-1$ excitations, distributed uniformly among $n$ qudits

Total internal reflection for perpendicular incidence