# Questions tagged [quantum-field-theory]

For questions about mathematical problems arising from quantum field theory, the branch of physics which describes subatomic particles and their interactions in terms of perturbations of the corresponding scalar, vector or tensor fields.

**5**

**1**answer

### Initial conditions in the Klein-Gordon equation

**2**

**0**answers

### Reflection positivity on weighted $L^2$-spaces

**2**

**0**answers

### Maxwell $U(1)$ gauge theory's electric and magnetic sources turned on simultaneously in the classical differential geometry

**3**

**1**answer

### Representations of the Lorentz group

**0**

**0**answers

### Antisymmetric tensor coordinates and tensorial spaces

**2**

**1**answer

### Free field rigorous quantization - possibly a misunderstanding?

**1**

**0**answers

### Ordering in Cobordism Category

**4**

**1**answer

### Bochner-Minlos for moment-generating functions?

**10**

**1**answer

### Alternative approaches to topological QFTs

**10**

**1**answer

### Mathematical construction of $\phi^4$ Euclidean field theory

**6**

**0**answers

### What are some results that assume the Connes' embedding conjecture or any of its reformulations?

**1**

**0**answers

### What does the Yang-Mills flow and the Yang-Mills QFT tell about each other?

**0**

**0**answers

### Generalized Ising Model

**0**

**0**answers

### Gradient and Hessian

**5**

**0**answers

### Feynman path integral and Wilsonian renormalization

**2**

**2**answers

### Spin-statistic for free quantum fields

**6**

**1**answer

### How can one recover/obtain information from the renormalization group procedure?

**21**

**1**answer

### Definition of an n-category

**2**

**0**answers

### Creation and annihilation operators as operator-valued distributions

**6**

**1**answer

### Affine Kac-Moody algebra from quantum group exchange algebra

**11**

**2**answers

### Axiomatic QFT, the reconstruction theorem and functional integrals

**3**

**0**answers

### Derived geometry and theoretical physics

**3**

**1**answer

### Supersymmetry charge $Q$ as anti-linear and anti-unitary operator

**5**

**0**answers

### Representations of 2-groups and quantum double constructions

**3**

**0**answers

### Intuition for conformal nets

**5**

**0**answers

### Wightman reconstruction theorem-details of the proof

**7**

**2**answers

### Is $C^{*}$-algebra the most modern way to study QFT?

**6**

**2**answers

### Creation and annihilation operators in QFT

**4**

**0**answers

### Comparison between spinor representations in $\operatorname{SL}(2,\mathbb C)=\operatorname{Spin}(1,3)$ and $\operatorname{Spin}(4)$

**1**

**0**answers

### Multidimensional series: an application of quantum field theory

**11**

**2**answers

### How do you know that you have succeeded-Constructive Quantum Field Theory and Lagrangian

**3**

**2**answers

### What are your opinions on Zeidler's QFT books? [closed]

**5**

**1**answer

### A set of questions on continuous Gaussian Free Fields (GFF)

**10**

**0**answers

### Is there a general theory for Wilsonian renormalization?

**2**

**1**answer

### Representation of an arbitrary element on a fermionic Fock Space

**5**

**0**answers

### Research Problem combining Algebraic Geometry and QFT

**12**

**1**answer

### Is there a physical reason that fields in QFT are globally defined?

**5**

**1**answer

### Reformulation - Construction of thermodynamic limit for GFF

**3**

**1**answer

### Derive how the level quantization for 3d quantum Chern-Simons theory path integrals?

**0**

**1**answer

### Anti-symmetric operators for the Dirac or Majorana spinors

**8**

**2**answers

### Path integral derivation of extended TQFT

**17**

**1**answer

### Current status of axiomatic quantum field theory research

**7**

**1**answer

### Non-perturbative Renormalization in the sense of Polchinski's equation. Do we have a mathematical formulation?

**17**

**1**answer

### Anomaly in QFT physics v.s. determinant line bundle

**4**

**2**answers

### QFT and its notations

**6**

**2**answers

### Relativistic scattering theory vs non-relativistic one

**10**

**0**answers

### What is the meaning of the coefficients of the Alekseev-Torossian associator

**9**

**1**answer

### Vafa-Witten invariants for mathematicians

**1**

**1**answer

### Integration of a particular quartic form

**5**

**1**answer