User lurscher - Physics Stack Exchange

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visits	member for	2 years, 5 months
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	4,282 reputation	bio	website		visits	member for	2 years, 5 months
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1

9

votes

3

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378

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When is the “minus sign problem” in quantum simulations an obstacle?

quantum-mechanics simulation

jun 27 '11 at 13:25 wsc 2,688

3

9

votes

2

answers

465

views

What are bootstraps?

particle-physics s-matrix-theory

mar 25 '12 at 20:05 Arnold Neumaier 13.9k

10

9

votes

2

answers

3

kviews

How does the Higgs mechanism work?

quantum-field-theory particle-physics higgs-boson higgs-mechanism

mar 9 at 23:11 user21807 1

2

9

votes

2

answers

274

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When “unphysical” solutions are not actually unphysical

quantum-mechanics classical-mechanics symmetry boundary-condition

apr 4 '12 at 6:24 Tarek 149

4

9

votes

6

answers

2

kviews

Is it possible to project a magnetic field at a location in space?

electromagnetism

oct 14 at 22:34 Community♦ 1

10

9

votes

1

answer

539

views

Self energy, 1PI, and tadpoles

quantum-field-theory symmetry-breaking perturbation-theory effective-action

may 13 at 6:06 Community♦ 1

1

9

votes

8

answers

1

kviews

Can there be black light ? I mean is it possible to devise a machine that outputs darkness ?

visible-light

sep 4 at 20:27 lurscher 4,282

6

8

votes

3

answers

517

views

Is there a relativistic (quantum) thermodynamics?

quantum-mechanics thermodynamics relativity

feb 11 '11 at 4:10 Peter Morgan 5,625

10

8

votes

8

answers

2

kviews

What are cosmological “firewalls”?

string-theory cosmology black-holes holographic-principle black-hole-firewall

may 3 at 4:18 Brandon Enright 2,484

6

8

votes

0

answers

289

views

Do intergalactic magnetic fields imply an Open Universe?

electromagnetism general-relativity cosmology

oct 26 at 16:20 Hal Swyers 2,650

1

8

votes

1

answer

227

views

Magnets arranged in a sphere

electromagnetism dipole

oct 13 '11 at 3:47 Ron Maimon 44.8k

5

8

votes

5

answers

575

views

How does the string worldsheet affect the space-time in which they live?

general-relativity string-theory

may 17 '12 at 2:07 Ron Maimon 44.8k

6

8

votes

2

answers

499

views

Regularisation of infinite-dimensional determinants

quantum-mechanics quantum-field-theory operators regularization hamiltonian

mar 26 at 1:50 Community♦ 1

5

8

votes

2

answers

495

views

How are Monte Carlo simulations used in experimental high energy physics?

particle-physics experimental-physics simulation high-energy-physics

feb 21 '12 at 17:32 dmckee♦ 21.3k

2

8

votes

2

answers

357

views

Is eternal inflation and the multiverse compatible with causal patch complementarity?

string-theory cosmology cosmological-inflation causality multiverse

nov 25 at 16:03 Community♦ 1

1

8

votes

4

answers

411

views

Did really everything begin with a state with very low entropy?

cosmology entropy big-bang arrow-of-time

mar 22 '12 at 23:06 peastman 128

3

8

votes

3

answers

339

views

Does the dimensionality of phase space go up as the universe expands?

cosmology quantum-gravity

oct 13 '11 at 16:49 Tucker 11

2

8

votes

0

answers

436

views

Could this model have soliton solutions?

quantum-field-theory field-theory spinors

oct 24 '11 at 18:37 Anthonny 278

1

8

votes

1

answer

445

views

The measure problem in the anthropic principle

string-theory quantum-interpretations measurement-problem probability anthropic-principle

dec 24 at 16:08 twistor59 6,764

1

8

votes

1

answer

481

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Questions about the Dyson equation

quantum-field-theory path-integral many-body

jun 4 '11 at 5:47 Qmechanic♦ 17.2k

6

8

votes

2

answers

320

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Quantizing EM field

quantum-mechanics quantum-field-theory electromagnetism quantum-electrodynamics field-theory

may 29 '11 at 2:27 Peter Morgan 5,625

4

8

votes

1

answer

446

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CFT and the Coleman-Mandula Theorem

quantum-field-theory

apr 8 '11 at 0:06 Community♦ 1

1

8

votes

0

answers

385

views

Would Portal-style portals transmit gravity?

gravity energy-conservation

aug 25 '11 at 7:56 lamwaiman1988 228

3

8

votes

1

answer

462

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Iterated dimensional regularization

quantum-field-theory mathematical-physics regularization

jul 20 '11 at 17:17 Jose Javier Garcia 1,142

3

8

votes

7

answers

379

views

Where do the choice of basis in QFT come from?

quantum-field-theory

aug 17 '11 at 5:57 Gufes 1

2

8

votes

2

answers

730

views

Bound states in QED

quantum-field-theory quantum-electrodynamics

jul 21 '11 at 15:06 Jonathan 320

2

8

votes

3

answers

392

views

Why muonium is unstable?

quantum-field-theory particle-physics quantum-electrodynamics

jul 21 '11 at 20:52 Dan 2,378

1

8

votes

2

answers

335

views

Some Majorana fermion identities

quantum-field-theory fermions

mar 4 '11 at 4:49 Simon 1,546

3

8

votes

1

answer

295

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Summing over topologies

cosmology quantum-gravity

jan 16 '11 at 8:26 Luboš Motl 67.7k

3

8

votes

3

answers

746

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Is “analog” quantum-computation not useful?

quantum-mechanics quantum-information quantum-computation

may 10 '12 at 15:10 Bjorn Wesen 2,021

lurscher

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