User Iván Mauricio Burbano

7

16

votes

4

answers

2k

views

Does spacetime position not form a four-vector?

Dec 24 '18 at 8:19 Qmechanic♦ 143k

3

13

votes

4

answers

1k

views

Haag's comment on the relation between fields and particles

quantum-field-theory particle-physics standard-model gauge-theory elementary-particles

Aug 5 at 13:08 Chiral Anomaly 37.1k

6

10

votes

3

answers

2k

views

Mathematical Formulation of Classical Spacetime

classical-mechanics mathematical-physics spacetime

May 31 '16 at 17:55 Christoph 12k

6

votes

1

answer

187

views

Is there a three-body exclusive interaction?

newtonian-mechanics forces classical-mechanics

Sep 10 at 21:48 KF Gauss 4,861

3

6

votes

1

answer

111

views

Choice of folliation in path integral

quantum-field-theory hilbert-space path-integral vacuum wick-rotation

Apr 20 at 13:15 Chiral Anomaly 37.1k

1

6

votes

3

answers

276

views

Hamiltonian of non-regular Lagrangian is well-defined on phase space

classical-mechanics lagrangian-formalism hamiltonian-formalism hamiltonian constrained-dynamics

Mar 30 '20 at 13:22 Iván Mauricio Burbano 2,643

1

5

votes

2

answers

181

views

Are representations of $\text{SL}(2,\mathbb{C})$ indexed by one half-integer or two?

special-relativity representation-theory lorentz-symmetry

Jan 29 '19 at 1:20 Iván Mauricio Burbano 2,643

3

4

votes

0

answers

57

views

Can one quantize Chern-Simons theory in the covariant phase space formalism?

hamiltonian-formalism phase-space covariance quantization chern-simons-theory

Nov 27 at 20:36 Qmechanic♦ 143k

1

4

votes

1

answer

124

views

Gauge Symmetries as Redundancies vs Constraints

gauge-theory gauge-invariance quantization

May 6 at 20:21 Iván Mauricio Burbano 2,643

1

4

votes

1

answer

119

views

Functional Analytic Square Root of Hamiltonian Alternative to Dirac

quantum-mechanics schroedinger-equation hamiltonian dirac-equation non-locality

Apr 4 at 20:08 Qmechanic♦ 143k

2

3

votes

1

answer

181

views

Abstract definition of conjugate points

general-relativity spacetime differential-geometry topology geodesics

Nov 18 at 19:01 Community♦ 1

3

votes

1

answer

82

views

When can I use Gaussian integration to compute a path integral?

quantum-field-theory path-integral semiclassical instantons

Sep 7 at 22:01 AccidentalFourierTransform 39.7k

3

votes

1

answer

57

views

Cohomology of the Koszul-Tate complex for an irreducible symmetry vanishes in degree $-2$

field-theory gauge-invariance brst cohomology

Jul 30 at 21:40 Iván Mauricio Burbano 2,643

1

3

votes

2

answers

102

views

Variation of action in terms of energy-momentum tensor

symmetry conformal-field-theory stress-energy-momentum-tensor noethers-theorem

Apr 20 at 19:14 Qmechanic♦ 143k

2

3

votes

1

answer

212

views

$(1,0)$ representation of $\text{SL}(2,\mathbb{C})$ and selfdual antisymmetric tensors

field-theory representation-theory lorentz-symmetry

Jan 25 '19 at 20:03 MannyC 5,402

2

votes

0

answers

35

views

Energy Renormalization and Vacuum Diagrams

quantum-field-theory particle-physics renormalization s-matrix-theory ground-state

Feb 5 at 12:27 Iván Mauricio Burbano 2,643

3

2

votes

1

answer

87

views

Wigner vs. BRST approach to Klein-Gordon

quantum-mechanics quantum-field-theory hilbert-space second-quantization brst

Jan 10 at 7:46 Qmechanic♦ 143k

3

2

votes

1

answer

87

views

Comparison between formulations of Noether's theorem

lagrangian-formalism conservation-laws symmetry field-theory noethers-theorem

Sep 22 at 16:18 Iván Mauricio Burbano 2,643

2

votes

1

answer

76

views

Why is radial ordering necessary?

quantum-field-theory conservation-laws conformal-field-theory commutator quantization

Aug 22 at 21:45 Qmechanic♦ 143k

3

2

votes

1

answer

136

views

Batalin-Vilkovisky (BV) form of the Chern-Simons Action

lagrangian-formalism field-theory gauge-theory chern-simons-theory brst

Jul 24 at 9:06 Qmechanic♦ 143k

2

votes

1

answer

113

views

Why is the Polyakov action special for $p\!=\!1$ branes?

lagrangian-formalism metric-tensor string-theory action branes

Jul 2 at 15:05 Qmechanic♦ 143k

2

votes

1

answer

29

views

Open gauge algebras apart from supergravity theories

quantum-field-theory field-theory gauge-theory gauge-invariance

Jun 28 at 11:47 Qmechanic♦ 143k

2

votes

1

answer

47

views

Is it true that in abelian Chern-Simons theory diffeomorphisms differ from ordinary gauge transformations trivially?

field-theory gauge-theory gauge-invariance constrained-dynamics chern-simons-theory

May 21 at 3:39 Chiral Anomaly 37.1k

2

votes

1

answer

41

views

Dirac action momenta conjugate to conjugate field

hamiltonian-formalism fermions dirac-equation gauge-invariance constrained-dynamics

Apr 27 at 20:22 Qmechanic♦ 143k

2

votes

1

answer

117

views

Relationship between the Klein-Gordon equation and Poincaré invariance

special-relativity field-theory klein-gordon-equation poincare-symmetry

Apr 6 at 19:23 Thomas Fritsch 15.4k

2

votes

0

answers

39

views

Normalization in the $O(n)$ model

statistical-mechanics spin-chains

May 3 '19 at 18:37 Qmechanic♦ 143k

1

2

votes

0

answers

77

views

Error in proof of Wick's theorem

field-theory feynman-diagrams wick-theorem

Mar 31 '19 at 13:02 Iván Mauricio Burbano 2,643

1

2

votes

1

answer

908

views

Problems of Klein Gordon equation

quantum-field-theory field-theory noethers-theorem klein-gordon-equation classical-field-theory

Mar 18 '19 at 22:56 gented 5,471

2

votes

0

answers

47

views

Young diagrams and $\mathrm{SU}(n)$ representations [duplicate]

resource-recommendations symmetry group-theory representation-theory group-representations

Dec 7 '17 at 11:17 Qmechanic♦ 143k

2

votes

2

answers

3k

views

Proof of Archimedes Principle

homework-and-exercises buoyancy fluid-statics

Aug 7 '17 at 17:50 Qmechanic♦ 143k

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58 Questions

Does spacetime position not form a four-vector?

Haag's comment on the relation between fields and particles

Mathematical Formulation of Classical Spacetime

Is there a three-body exclusive interaction?

Choice of folliation in path integral

Hamiltonian of non-regular Lagrangian is well-defined on phase space

Are representations of $\text{SL}(2,\mathbb{C})$ indexed by one half-integer or two?

Can one quantize Chern-Simons theory in the covariant phase space formalism?

Gauge Symmetries as Redundancies vs Constraints

Functional Analytic Square Root of Hamiltonian Alternative to Dirac

Abstract definition of conjugate points

When can I use Gaussian integration to compute a path integral?

Cohomology of the Koszul-Tate complex for an irreducible symmetry vanishes in degree $-2$

Variation of action in terms of energy-momentum tensor

$(1,0)$ representation of $\text{SL}(2,\mathbb{C})$ and selfdual antisymmetric tensors

Energy Renormalization and Vacuum Diagrams

Wigner vs. BRST approach to Klein-Gordon

Comparison between formulations of Noether's theorem

Why is radial ordering necessary?

Batalin-Vilkovisky (BV) form of the Chern-Simons Action

Why is the Polyakov action special for $p\!=\!1$ branes?

Open gauge algebras apart from supergravity theories

Is it true that in abelian Chern-Simons theory diffeomorphisms differ from ordinary gauge transformations trivially?

Dirac action momenta conjugate to conjugate field

Relationship between the Klein-Gordon equation and Poincaré invariance

Normalization in the $O(n)$ model

Error in proof of Wick's theorem

Problems of Klein Gordon equation

Young diagrams and $\mathrm{SU}(n)$ representations [duplicate]

Proof of Archimedes Principle