User Jess Riedel

56 votes

1 answer

2k views

What is the upper-limit on intrinsic heating due to dark matter?

asked Feb 15, 2012 at 0:38

34 votes

2 answers

2k views

What is the largest number of bosons placed in a BEC?

asked Nov 25, 2014 at 16:52

11 votes

2 answers

816 views

Nonequilibrium thermodynamics in a Boltzmann picture

asked Mar 28, 2014 at 23:41

9 votes

1 answer

320 views

Simplest model of chaos with time-independent smooth Hamiltonian and trivial topology?

asked May 18, 2018 at 13:50

9 votes

2 answers

679 views

How to efficiently check if a superoperator is Lindbladian?

asked Apr 4, 2020 at 15:21

8 votes

1 answer

388 views

Do small-angle coherent scattering experiments really see coherent effects over arbitrarily large distances?

asked Apr 22, 2013 at 14:34

7 votes

1 answer

336 views

Is there a formalism for talking about diagonality/commutativity of operators with respect to an overcomplete basis?

asked Nov 9, 2013 at 1:17

6 votes

1 answer

351 views

Temperature-pressure plot for superconducting records?

asked Dec 12, 2018 at 19:46

6 votes

1 answer

883 views

What are the strongest sources of collimated neutrons and protons?

asked Sep 20, 2013 at 13:59

6 votes

0 answers

102 views

In a perturbative FRW cosmology, why do constant-density hypersurfaces define a good gauge?

asked Sep 4, 2015 at 17:54

5 votes

1 answer

3k views

What is the formal definition of spin-independent vs. spin-dependent scattering?

asked Jun 21, 2013 at 17:31

5 votes

2 answers

284 views

Given $N$ spins, which eigenspaces of total angular momentum $S^2$ are linked by flipping a single spin?

asked Jun 11, 2021 at 21:08

5 votes

1 answer

1k views

Reasonable to expect Moore's law for quantum computing?

asked Dec 2, 2017 at 19:56

4 votes

0 answers

90 views

Operator inequality between the Heisenberg Hamiltonian and the total spin

asked Aug 3, 2022 at 11:24

4 votes

1 answer

178 views

Bounding derivatives of the Wigner function using phase-space tails

asked Sep 1, 2020 at 14:59

4 votes

1 answer

459 views

Off-diagonal terms of the Husimi $Q$ function?

asked Apr 19, 2014 at 0:47

4 votes

0 answers

120 views

What are the requirements on conditional unitaries for overcomplete bases?

asked Jun 5, 2014 at 22:28

3 votes

0 answers

116 views

Where does one find pair-correlation functions for various materials?

asked May 4, 2013 at 19:19

3 votes

0 answers

84 views

Is there a unique accepted Lagrangian formulation of Nambu mechanics?

asked Sep 5, 2020 at 19:06

3 votes

0 answers

179 views

Is there a canonical Taylor expansion for operators in terms of $X$ and $P$?

asked Jan 6, 2023 at 19:08

3 votes

1 answer

62 views

Local linearization of general Fokker-Planck equation with spurious drift?

asked Jul 15 at 5:23

2 votes

0 answers

51 views

Any restrictions on drift vector in Fokker-Planck equation?

asked Apr 29, 2023 at 16:57

2 votes

0 answers

208 views

Microscopic derivation of Lindblad operators for generalized subsystem induced by observable sub-algebra (a la Zanardi)

asked Sep 4, 2021 at 16:31

2 votes

1 answer

217 views

Holonomic constraints and phase space as a cotangent bundle

asked May 27, 2021 at 15:56

2 votes

1 answer

73 views

Bounds on the locality of single-particle coherence

asked May 17, 2020 at 22:23

2 votes

0 answers

67 views

How to calculate material depth at which penetrating radiation direction becomes randomized?

asked May 12, 2015 at 0:36

2 votes

1 answer

98 views

Must neutron speed and diffusion speed be comparable for neutron scattering experiments to be probe atomic diffusion?

asked Apr 26, 2013 at 15:47

2 votes

1 answer

81 views

Is there non-trivial multipartite entanglement not witnessed by the spectra of reduced states?

asked Nov 23, 2014 at 2:55

1 vote

0 answers

70 views

Canonical treatment of thermalization of two gases at different temperatures

asked Sep 21, 2015 at 20:53

1 vote

0 answers

30 views

Diffractive peak for high-frequency scattering from a sphere with small index of refraction?

asked May 23, 2016 at 16:35

Stack Exchange Network

35 Questions

What is the upper-limit on intrinsic heating due to dark matter?

What is the largest number of bosons placed in a BEC?

Nonequilibrium thermodynamics in a Boltzmann picture

Simplest model of chaos with time-independent smooth Hamiltonian and trivial topology?

How to efficiently check if a superoperator is Lindbladian?

Do small-angle coherent scattering experiments really see coherent effects over arbitrarily large distances?

Is there a formalism for talking about diagonality/commutativity of operators with respect to an overcomplete basis?

Temperature-pressure plot for superconducting records?

What are the strongest sources of collimated neutrons and protons?

In a perturbative FRW cosmology, why do constant-density hypersurfaces define a good gauge?

What is the formal definition of spin-independent vs. spin-dependent scattering?

Given $N$ spins, which eigenspaces of total angular momentum $S^2$ are linked by flipping a single spin?

Reasonable to expect Moore's law for quantum computing?

Operator inequality between the Heisenberg Hamiltonian and the total spin

Bounding derivatives of the Wigner function using phase-space tails

Off-diagonal terms of the Husimi $Q$ function?

What are the requirements on conditional unitaries for overcomplete bases?

Where does one find pair-correlation functions for various materials?

Is there a unique accepted Lagrangian formulation of Nambu mechanics?

Is there a canonical Taylor expansion for operators in terms of $X$ and $P$?

Local linearization of general Fokker-Planck equation with spurious drift?

Any restrictions on drift vector in Fokker-Planck equation?

Microscopic derivation of Lindblad operators for generalized subsystem induced by observable sub-algebra (a la Zanardi)

Holonomic constraints and phase space as a cotangent bundle

Bounds on the locality of single-particle coherence

How to calculate material depth at which penetrating radiation direction becomes randomized?

Must neutron speed and diffusion speed be comparable for neutron scattering experiments to be probe atomic diffusion?

Is there non-trivial multipartite entanglement not witnessed by the spectra of reduced states?

Canonical treatment of thermalization of two gases at different temperatures

Diffractive peak for high-frequency scattering from a sphere with small index of refraction?